Opinions from C. E. Schweitzer et al. 2010
- 'Abyssophthalmus bellaii belongs to Abyssophthalmus' according to Cronier and Bouriscot 2009
- 'Abyssophthalmus hebes belongs to Abyssophthalmus' according to Von Meyer 1835
- 'Abyssophthalmus mainense belongs to Abyssophthalmus' according to Cronier and Bouriscot 2009
- 'Acanthinopus belongs to Decapoda'
- 'Acanthinopus gibbosus belongs to Acanthinopus' according to Pinna 1974
- 'Acanthocarpus belongs to Calappidae'
- 'Acanthocarpus obscurus belongs to Acanthocarpus' according to Rathbun 1918
- 'Acanthochirana belongs to Aegeridae'
- 'Acanthochirana angulata belongs to Acanthochirana' according to Oppel 1862
- 'Acanthochirana cenomanica belongs to Acanthochirana' according to M. Glaessner 1946
- 'Acanthochirana cordata belongs to Acanthochirana' according to Munster 1839
- 'Acanthochirana krausei belongs to Acanthochirana' according to Forster 1967
- 'Acanthochirana smithwoodwardi belongs to Acanthochirana' according to V. Van Straelen 1940
- 'Acanthogalathea belongs to Galatheidae'
- 'Acanthogalathea feldmanni belongs to Acanthogalathea' according to De Angeli and Garassino 2002
- 'Acanthogalathea parva belongs to Acanthogalathea' according to Muller and Collns 1991
- 'Acanthogalathea squamosa belongs to Acanthogalathea' according to Beschin et al. 2007
- 'Acanthoportunus belongs to Portuninae'
- 'Acanthoportunus buchanani belongs to Acanthoportunus' according to C. Schweitzer and R. Feldmann 2002
- 'Achaeus belongs to Inachidae'
- 'Achaeus magnus belongs to Achaeus' according to Muller 1978
- 'Achaeus nomurai belongs to Achaeus' according to Takeda and Fujiyama 1984
- 'Achaeus parvulus belongs to Achaeus' according to De Angeli and Caporiondo 2010
- 'Aciculopoda belongs to Penaeoidea'
- 'Aciculopoda mapesi belongs to Aciculopoda' according to R. M. Feldmann and C. E. Schweitzer 2010
- 'Acidopsidae belongs to Goneplacoidea'
- 'Actaea belongs to Actaeinae'
- 'Actaea acantha belongs to Actaea' according to H. Milne-Edwards 1834
- 'Actaea bifrons belongs to Actaea' according to Rathbun 1898
- 'Actaea calzadai belongs to Actaea' according to Muller 1984
- 'Actaea cretacea belongs to Actaea' according to Rathbun 1935
- 'Actaea persica belongs to Actaea' according to A. Milne-Edwards 1865
- 'Actaea polyacantha belongs to Actaea' according to Heller 1861
- 'Actaea pura belongs to Actaea' according to Stimpson 1859
- 'Actaea semblatae belongs to Actaea' according to Guinot 1976
- 'Actaea tropicana belongs to Actaea' according to Hu and Tao 1996
- 'Actaea turocampestris belongs to Actaea' according to Muller 1984
- 'Actaeinae belongs to Xanthidae'
- 'Actaeites belongs to Xanthoidea'
- 'Actaeites lobatus belongs to Actaeites' according to Muller and Collins 1991
- 'Actaeodes belongs to Actaeinae'
- 'Actaeodes hirsutissima belongs to Actaeodes' according to Ruppell 1830
- 'Actaeodes tomentosus belongs to Actaeodes' according to H. Milne-Edwards 1834
- 'Actaeops belongs to Actaeinae'
- 'Actaeops frontalis belongs to Actaeops' according to Portell and Collins 2004
- 'Actaeopsis belongs to Xanthoidea'
- 'Actaeopsis wiltshirei belongs to Actaeopsis' according to Carter 1898
- 'Actinotocarcinus belongs to Epialtinae'
- 'Actinotocarcinus maclauchlani belongs to Actinotocarcinus' according to R. Feldmann 1993
- 'Actumnus belongs to Pilumninae'
- 'Actumnus guinotae belongs to Actumnus' according to Karasawa and Inoue 1992
- 'Actumnus squamosus belongs to Actumnus' according to De Haan 1835
- 'Actumnus telegdii belongs to Actumnus' according to Muller 1974
- 'Aeger belongs to Aegeridae'
- 'Aeger brevirostris belongs to Aeger' according to Van Straelen 1923
- 'Aeger brodiei belongs to Aeger' according to Woodward 1888
- 'Aeger elegans belongs to Aeger' according to Munster 1839
- 'Aeger elongatus belongs to Aeger' according to Garassino and Teruzzi 1990
- 'Aeger foersteri belongs to Aeger' according to Garassino and Teruzzi 1990
- 'Aeger fraconicus belongs to Aeger' according to Forster 1980
- 'Aeger gracilis belongs to Aeger' according to Forster and Crane 1984
- 'Aeger hidalguensis belongs to Aeger' according to R. M. Feldman 2007
- 'Aeger insignis belongs to Aeger' according to Opel 1962
- 'Aeger laevis belongs to Aeger' according to Blake 1862
- 'Aeger lehmanni belongs to Aeger' according to Langenhan 1910
- 'Aeger libanensis belongs to Aeger' according to Roger 1946
- 'Aeger macropus belongs to Aeger' according to Garassino and Teruzzi 1990
- 'Aeger marderi belongs to Aeger' according to Woodward 1866
- 'Aeger muensteri belongs to Aeger' according to Garassino and Teruzzi 1990
- 'Aeger robustus belongs to Aeger' according to Garassino and Teruzzi 1990
- 'Aeger rostrospinatus belongs to Aeger' according to Garassino and Teruzzi 1990
- 'Aeger spinipes belongs to Aeger' according to Desmarest 1822
- 'Aeger tipularius belongs to Aeger' according to Schlotheim 1822
- 'Aeglidae belongs to Aegloidea'
- 'Aegloidea belongs to Anomura'
- 'Aenigmastacus belongs to Parastacidae'
- 'Aenigmastacus crandalli belongs to Aenigmastacus'
- 'Agononida belongs to Galatheidae'
- 'Agononida cerovensis belongs to Agononida' according to Hyzny and Schlogl 2010
- 'Agostella belongs to Tumidocarcinidae'
- 'Agostella terrersensis belongs to Agostella' according to Osso-Morales 2010
- 'Agostocarididae belongs to Bresilioidea'
- 'Albertoppelia belongs to Penaeidae'
- 'Albertoppelia kuempeli belongs to Albertoppelia' according to Schweigert and Garassino 2004
- 'Albunea belongs to Albuneidae'
- 'Albunea asymmetrica belongs to Albunea' according to Muller 1978
- 'Albunea cuisiana belongs to Albunea' according to Beschin and De Angeli 1984
- 'Albunea hahnae belongs to Albunea' according to Blow and Manning 1996
- 'Albunea turritellacola belongs to Albunea' according to Fraaije et al. 2008
- 'Albuneidae belongs to Hippoidea'
- 'Alburnia belongs to Palaemonidae'
- 'Alburnia petinensis belongs to Alburnia' according to Bravi and Garassino 1998
- 'Alcmonacaris belongs to Decapoda'
- 'Alcmonacaris winkleri belongs to Alcmonacaris' according to Polz 2009
- 'Alpheidae belongs to Alpheoidea'
- 'Alpheoidea belongs to Caridea'
- 'Alvinocarididae belongs to Bresilioidea'
- 'Ameridromia belongs to Dromioidea'
- 'Ameridromia hyneorum belongs to Ameridromia' according to Blow and Manning 1996
- 'Ammopylocheles belongs to Paguroidea'
- 'Ammopylocheles mclaughlini belongs to Ammopylocheles' according to Van Bakel 2008
- 'Ampliura belongs to Leucosiidae'
- 'Ampliura simplex belongs to Ampliura' according to Morris and Collins 1991
- 'Amydrocarcinus belongs to Goneplacidae'
- 'Anaglyptus belongs to Decapoda'
- 'Anaglyptus delfortrei belongs to Anaglyptus' according to A. Milne-Edwards 1873
- 'Anapagurus belongs to Paguridae'
- 'Anapagurus carinatus belongs to Anapagurus' according to Harvey 1998
- 'Anapagurus miocenicus belongs to Anapagurus' according to Muller 1978
- 'Anatolikos belongs to Cancrinae'
- 'Anatolikos itoigawai belongs to Anatolikos' according to Karasawa 1990
- 'Anatolikos japonicus belongs to Anatolikos' according to Ortmann 1893
- 'Anchistioididae belongs to Palaemonoidea'
- 'Andorina belongs to Leucosiidae'
- 'Andorina elegans belongs to Andorina' according to Lorenthey 1901
- 'Anisospinos belongs to Cancridae'
- 'Anisospinos berglundi belongs to Anisospinos' according to C. Schweitzer and R. Feldmann 2000
- 'Anisospinos odosensis belongs to Anisospinos' according to Imaizumi 1962
- 'Anisospinos wahkiakumensis belongs to Anisospinos' according to Berglund and Goedert 1992
- 'Annieporcellana belongs to Porcellanidae'
- 'Annieporcellana dhondtae belongs to Annieporcellana' according to Fraaije 2008
- 'Annuntidiogenes belongs to Diogenidae'
- 'Annuntidiogenes ruizdegaonai belongs to Annuntidiogenes' according to Fraaije 2008
- 'Annuntidiogenes sunuciorum belongs to Annuntidiogenes' according to Fraaije 2008
- 'Annuntidiogenes worfi belongs to Annuntidiogenes' according to Fraaije 2009
- 'Anomalifrontinae belongs to Xenophthalmidae'
- 'Antarcticheles belongs to Polychelidae'
- 'Antarcticheles antarcticus belongs to Antarcticheles' according to Aguirre-Urreta 1990
- 'Antarctidromia belongs to Homolodromiidae'
- 'Antarctidromia inflata belongs to Antarctidromia' according to Forster 1985
- 'Antarctiprosopon belongs to Longodromitidae'
- 'Antarctiprosopon chaneyi belongs to Antarctiprosopon' according to R. Feldmann and Wilson 1988
- 'Antarctomithrax belongs to Homolidae'
- 'Antarctomithrax thomsoni belongs to Antarctomithrax' according to R. Feldmann 1994
- 'Antrimpos atavus belongs to Antrimpos' according to Bill 1914
- 'Antrimpos intermedius belongs to Antrimpos' according to Oppel 1862
- 'Antrimpos juvavensis belongs to Antrimpos' according to Van Straelen 1940
- 'Antrimpos latipes belongs to Antrimpos' according to Oppel 1862
- 'Antrimpos liliani belongs to Antrimpos' according to Van Straelen 1923
- 'Antrimpos meyeri belongs to Antrimpos' according to Oppel 1862
- 'Antrimpos mirigiolensis belongs to Antrimpos' according to Etter 1994
- 'Antrimpos nonodon belongs to Antrimpos' according to Munster 1839
- 'Antrimpos noricus belongs to Antrimpos' according to Pinna 1974
- 'Antrimpos secretaniae belongs to Antrimpos' according to Carriol and Riou 1991
- 'Antrimpos sharpi belongs to Antrimpos' according to Woodward 1869
- 'Antrimpos speciosus belongs to Antrimpos' according to Munster 1839
- 'Antrimpos undenarius belongs to Antrimpos' according to Schweigert 2001
- 'Aperiopyxis belongs to Axiidae'
- 'Aperiopyxis wulfetzergiebeli belongs to Aperiopyxis' according to Schweigert 2010
- 'Araripecarcinus belongs to Palaeocorystidae'
- 'Araripecarcinus ferreirae belongs to Araripecarcinus' according to Martins-Neto 1987
- 'Arcania belongs to Ebaliinae'
- 'Arcania cornuta belongs to Arcania' according to MacGilchrist 1905
- 'Arcania elongata belongs to Arcania' according to Yokoya 1933
- 'Arcania globata belongs to Arcania' according to Stimpson 1858
- 'Arcania shuishuni belongs to Arcania' according to Hu and Tao 1985
- 'Arcania undecimspinosa belongs to Arcania' according to De Haan 1841
- 'Archaeocarabus belongs to Palinuridae'
- 'Archaeocarabus bowerbanki belongs to Archaeocarabus' according to McCoy 1849
- 'Archaeocarabus gardnerae belongs to Archaeocarabus' according to Rathbun 1849
- 'Archaeocarabus vanuaensis belongs to Archaeocarabus' according to Rathbun 1945
- 'Archaeocarabus whitfieldi belongs to Archaeocarabus' according to Pilsbry 1901
- 'Archaeocypoda belongs to Dorippidae'
- 'Archaeocypoda veronensis belongs to Archaeocypoda' according to Secretan 1975
- 'Archaeogeryon belongs to Macropipidae'
- 'Archaeogeryon corsolini belongs to Archaeogeryon' according to Casadio 2004
- 'Archaeogeryon fuegianus belongs to Archaeogeryon' according to Colosi 1924
- 'Archaeogeryon latus belongs to Archaeogeryon' according to Glaessner 1933
- 'Archaeogeryon lophos belongs to Archaeogeryon' according to R. Feldmann 2005
- 'Archaeogeryon navidad belongs to Archaeogeryon' according to R. Feldmann 2005
- 'Archaeopalinurus belongs to Palinuridae'
- 'Archaeopalinurus levis belongs to Archaeopalinurus' according to Pinna 1974
- 'Archaeoplax belongs to Geryonidae'
- 'Archaeoplax signifera belongs to Archaeoplax' according to Stimpson 1863
- 'Archaeopus ezoensis belongs to Archaeopus' according to Nagao 1941
- 'Archaeopus lunicarina belongs to Archaeopus' according to C. Schweitzer and R. Feldmann 2001
- 'Archaeopus schenki belongs to Archaeopus' according to Van Straelen 1939
- 'Archaeozius occidentalis belongs to Archaeozius' according to C. Schweitzer 2003
- 'Archeosolenocera straeleni belongs to Archeosolenocera' according to Carriol and Riou 1991
- 'Arenaeus belongs to Portuninae'
- 'Arenaeus cribrarius belongs to Arenaeus' according to Lamarck 1818
- 'Arges belongs to Rhizopinae'
- 'Arges parallelus belongs to Arges' according to De Haan 1835
- 'Aristeidae belongs to Penaeoidea'
- 'Ashtoret belongs to Matutidae'
- 'Astacidae belongs to Astacoidea'
- 'Astacodes belongs to Palinuridae'
- 'Astacodes davisi belongs to Astacodes' according to Stenzel 1945
- 'Astacodes falcifer belongs to Astacodes' according to Bell 1863
- 'Astacodes kamptneri belongs to Astacodes' according to Bachmayer 1959
- 'Astacodes maxwelli belongs to Astacodes' according to Stenzel 1945
- 'Astacodes strambergensis belongs to Astacodes' according to Bachmayer 1959
- 'Astacodes woodwardi belongs to Astacodes' according to Fritsch and Kafka 1887
- 'Astacoidea belongs to Astacidea'
- 'Astacopsis belongs to Parastacidae'
- 'Astacopsis franklini belongs to Astacopsis' according to Gray 1845
- 'Astacus belongs to Astacidae'
- 'Astacus edwardsi belongs to Astacus' according to Van Straelen 1928
- 'Astacus laevissimus belongs to Astacus' according to Fritsch and Kafka 1887
- 'Astacus multicavatus belongs to Astacus' according to Bell 1863
- 'Astacus pallipes belongs to Astacus' according to Lereboullet 1858
- 'Asthenognathinae belongs to Varunidae'
- 'Asthenognathus belongs to Asthenognathinae'
- 'Asthenognathus cornishorum belongs to Asthenognathus' according to C. Schweitzer and R. Feldmann 1999
- 'Asthenognathus globosa belongs to Asthenognathus' according to Karasawa 1990
- 'Asthenognathus laverdensis belongs to Asthenognathus' according to De Angeli and Garassino 2006
- 'Asthenognathus rakosensis belongs to Asthenognathus' according to Muller 2006
- 'Atelecyclidae belongs to Cancroidea'
- 'Atelecyclus belongs to Atelecyclidae'
- 'Atelecyclus elegans belongs to Atelecyclus' according to Ristori 1896
- 'Atelecyclus rotundatus belongs to Atelecyclus' according to Olivi 1792
- 'Atelecyclus rugosus belongs to Atelecyclus' according to Desmarest 1822
- 'Atergatis belongs to Zosiminae'
- 'Atergatis dilatatus belongs to Atergatis' according to De Haan 1835
- 'Atergatis dubius belongs to Atergatis' according to A. Milne-Edwards 1862
- 'Atergatis granulatus belongs to Atergatis' according to De Man 1889
- 'Atergatis laddi belongs to Atergatis' according to Rathbun 1945
- 'Atergatis latissimus belongs to Atergatis' according to H. Milne-Edwards 1834
- 'Atergatis pyroticus belongs to Atergatis' according to Hu and Tao 1996
- 'Atoportuninae belongs to Portunidae'
- 'Atyidae belongs to Atyoidea' according to De Haan 1849
- 'Atyoidea belongs to Caridea'
- 'Aulacopodia belongs to Grapsoidea'
- 'Aulacopodia riemsdyki belongs to Aulacopodia' according to Bosquet 1854
- 'Austrohelice belongs to Cyclograpsinae'
- 'Austromunida belongs to Galatheidae'
- 'Austromunida casadioi belongs to Austromunida' according to C. Schweitzer and R. Feldmann 2000
- 'Austropotamobius belongs to Astacidae' according to Skorikov 1907
- 'Austropotamobius llopisi belongs to Austropotamobius' according to Via 1971
- 'Avitelmessus belongs to Dakoticancridae'
- 'Avitelmessus grapsoideus belongs to Avitelmessus' according to Rathbun 1923
- 'Axianassidae belongs to Gebiidea'
- 'Axiidae belongs to Callianassoidea'
- 'Axiidea belongs to Decapoda'
- 'Axiopsis belongs to Axiidae'
- 'Axiopsis eximia belongs to Axiopsis' according to Kensley and Williams 1990
- 'Axius belongs to Axiidae'
- 'Axius fontannesi belongs to Axius' according to A. Milne-Edwards 1885
- 'Axius reticulatus belongs to Axius' according to Rathbun 1918
- 'Balcacarcinus belongs to Eucratopsinae'
- 'Balcacarcinus attenuatus belongs to Balcacarcinus' according to Bittner 1875
- 'Banareia belongs to Zalasiinae'
- 'Banareia kraussi belongs to Banareia' according to Heller 1861
- 'Banareia odhneri belongs to Banareia' according to Sakai 1974
- 'Bartethusa belongs to Dorippidae'
- 'Bartethusa hepatica belongs to Bartethusa' according to Quayle and Collins 1981
- 'Basinotopidae belongs to Dromioidea'
- 'Basinotopus belongs to Basinotopidae'
- 'Basinotopus lamarckii belongs to Basinotopus' according to Desmarest 1822
- 'Bathypalaemonellidae belongs to Campylonotoidea'
- 'Bechleja belongs to Palaemonidae'
- 'Bechleja bahiaensis belongs to Bechleja' according to Martins-Neto and Mezzalira 1991
- 'Bechleja inopinata belongs to Bechleja' according to Housa 1957
- 'Bechleja robusta belongs to Bechleja' according to Martins-Neto and Mezzalira 1991
- 'Bechleja rostrata belongs to Bechleja' according to Feldmann 1981
- 'Bellhexapus belongs to Hexapodidae'
- 'Bellhexapus granulatus belongs to Bellhexapus' according to De Angeli et al. 2010
- 'Belliidae belongs to Bellioidea'
- 'Belliinae belongs to Belliidae'
- 'Bellioidea belongs to Brachyura'
- 'Benthesicymus libanensis belongs to Benthesicymus' according to Brocchi 1875
- 'Beripetrolisthes belongs to Porcellanidae'
- 'Beripetrolisthes mulleri belongs to Beripetrolisthes' according to De Angeli and Garassino 2002
- 'Bernuffius belongs to Xanthidae'
- 'Bernuffius ornatus belongs to Bernuffius' according to De Angeli et al. 2010
- 'Beurlenia belongs to Palaemonidae'
- 'Beurlenia araripensis belongs to Beurlenia' according to Martin-Neto and Mezzalira 1991
- 'Biarctus belongs to Scyllaridae'
- 'Biarctus vitiensis belongs to Biarctus' according to Dana 1852
- 'Bicarinocarcinus belongs to Carinocarcinoididae'
- 'Bicarinocarcinus collinsi belongs to Bicarinocarcinus' according to Glaessner and Secretam 1987
- 'Bicarinocarcinus tumidus belongs to Bicarinocarcinus' according to Collins 2003
- 'Bicornisranina belongs to Raninoidinae'
- 'Bicornisranina bocki belongs to Bicornisranina' according to Nyborg and Fam 2008
- 'Binkhorstia belongs to Longusorbiidae'
- 'Binkhorstia euglypha belongs to Binkhorstia' according to Collins 1995
- 'Binkhorstia ubaghsii belongs to Binkhorstia' according to Van Binkhorst 1857
- 'Birgus belongs to Coenobitidae'
- 'Birgus latro belongs to Birgus' according to Linnaeus 1767
- 'Bittnereus belongs to Eucratopsinae'
- 'Bittnereus vicentinus belongs to Bittnereus' according to Bittner 1875
- 'Bittnerilia belongs to Parthenopinae'
- 'Bittnerilia dentata belongs to Bittnerilia' according to Beschin 2005
- 'Bittnerilia eocaena belongs to Bittnerilia' according to Bittner 1883
- 'Bittnerilia eocenica belongs to Bittnerilia' according to Bittner 1883
- 'Blaculla nikoides belongs to Blaculla' according to Munster 1839
- 'Blaculla sieboldi belongs to Blaculla' according to Oppel 1862
- 'Blepharipodidae belongs to Hippoidea'
- 'Bombur complicatus belongs to Bombur' according to Munster 1839
- 'Boschettia belongs to Macropipidae'
- 'Boschettia giampietroi belongs to Boschettia' according to Busulini 2003
- 'Brachynotus belongs to Varuninae'
- 'Brachynotus corallinus belongs to Brachynotus' according to Beschin et al. 2007
- 'Brachynotus februarius belongs to Brachynotus' according to Muller 1974
- 'Brachynotus oligocenicus belongs to Brachynotus' according to De Angeli et al. 2010
- 'Brachyura belongs to Decapoda'
- 'Branchiocarcinus belongs to Carcineretidae'
- 'Branchiocarcinus cornatus belongs to Branchiocarcinus' according to Vega et al. 1995
- 'Branchiolambrus belongs to Parthenopidae'
- 'Branchiolambrus altus belongs to Branchiolambrus' according to Rathbun 1908
- 'Branchioplax belongs to Mathildellidae'
- 'Branchioplax albertii belongs to Branchioplax' according to De Angeli and Beschin 2002
- 'Branchioplax ballingi belongs to Branchioplax' according to Remy 1954
- 'Branchioplax bidentata belongs to Branchioplax' according to Birshtein 1956
- 'Branchioplax carmanahensis belongs to Branchioplax' according to Rathbun 1926
- 'Branchioplax concinna belongs to Branchioplax' according to Quayle and Collins 1981
- 'Branchioplax parva belongs to Branchioplax' according to Beschin et al. 2007
- 'Branchioplax pentagonalis belongs to Branchioplax' according to Yokoyama 1911
- 'Branchioplax rossii belongs to Branchioplax' according to De Angeli and Tessier 2008
- 'Branchioplax sulcata belongs to Branchioplax' according to Muller and Collins 1991
- 'Branchioplax washingtoniana belongs to Branchioplax' according to Rathbun 1916
- 'Brazilomunida belongs to Galatheidae'
- 'Brazilomunida brasiliensis belongs to Brazilomunida' according to Beurlen 1965
- 'Brecanclawu belongs to Callianassidae'
- 'Brecanclawu rathbunae belongs to Brecanclawu' according to Schweitzer and Felmann 2001
- 'Bresiliidae belongs to Bresilioidea'
- 'Bresilioidea belongs to Caridea'
- 'Brome belongs to Grapsoidea'
- 'Brome ventrosa belongs to Brome' according to Munster 1839
- 'Bryocarpilius belongs to Carpiliidae'
- 'Bryocarpilius apsidorsalis belongs to Bryocarpilius'
- 'Bryocarpilius aquilinus belongs to Bryocarpilius' according to Collins and Morris 1973
- 'Bucculentidae belongs to Homolodromioidea'
- 'Budapanopeus belongs to Pilumninae'
- 'Budapanopeus denticulatus belongs to Budapanopeus' according to Muller and Collins 1996
- 'Buergerocaris belongs to Decapoda'
- 'Buergerocaris psittacoides belongs to Buergerocaris' according to Schweigert and Garassino 2004
- 'Bylgia belongs to Penaeoidea'
- 'Bylgia haeberleini belongs to Bylgia' according to Munster 1839
- 'Bylgia hexadon belongs to Bylgia' according to Munster 1839
- 'Bylgia ruedeli belongs to Bylgia' according to Schweigert and Garassino 2004
- 'Bylgia spinosa belongs to Bylgia' according to Munster 1839
- 'Bythograeidae belongs to Bythograeoidea'
- 'Bythograeoidea belongs to Brachyura'
- 'Calappa belongs to Calappidae'
- 'Calappa chungii belongs to Calappa' according to Hu and Tao 1985
- 'Calappa costaricana belongs to Calappa' according to Rathbun 1918
- 'Calappa earlei belongs to Calappa' according to Withers 1924
- 'Calappa flammea belongs to Calappa' according to Herbst 1803
- 'Calappa gallus belongs to Calappa' according to Herbst 1803
- 'Calappa granulata belongs to Calappa' according to Linnaeus 1758
- 'Calappa heberti belongs to Calappa' according to Brocchi 1883
- 'Calappa hepatica belongs to Calappa' according to Linnaeus 1758
- 'Calappa lanensis belongs to Calappa' according to Rathbun 1926
- 'Calappa laraensis belongs to Calappa' according to Van Straelen 1933
- 'Calappa lophos belongs to Calappa' according to Herbst 1795
- 'Calappa madoerensis belongs to Calappa' according to Van Straelen 1938
- 'Calappa oboui belongs to Calappa' according to Hu and Tao 1996
- 'Calappa praelata belongs to Calappa' according to Lorenthey 1929
- 'Calappa pustulosa belongs to Calappa' according to Alcock 1896
- 'Calappa restricta belongs to Calappa' according to A. Milne-Edwards 1873
- 'Calappa robertsi belongs to Calappa' according to Ross 1964
- 'Calappa sahelensis belongs to Calappa' according to Van Straelen 1963
- 'Calappa sangiranensis belongs to Calappa' according to Van Straelen 1938
- 'Calappa sexapinosa belongs to Calappa' according to Morris and Collins 1991
- 'Calappa springeri belongs to Calappa' according to Rathbun 1931
- 'Calappa zinsmeisteri belongs to Calappa' according to R. Feldmann and Wilson 1988
- 'Calappa zurcheri belongs to Calappa' according to Bouvier 1899
- 'Calappella belongs to Calappidae'
- 'Calappella quadrispina belongs to Calappella' according to Rathbun 1918
- 'Calappidae belongs to Calappoidea'
- 'Calappilia bohmi belongs to Calappilia' according to Glaessner 1929
- 'Calappilia bonairensis belongs to Calappilia' according to Van Straelen 1933
- 'Calappilia borneoensis belongs to Calappilia' according to Van Straelen 1924
- 'Calappilia brooksi belongs to Calappilia' according to Ross and Scolaro 1964
- 'Calappilia circularis belongs to Calappilia' according to Beurlen 1958
- 'Calappilia dacica belongs to Calappilia' according to Bittner 1893
- 'Calappilia diglypta belongs to Calappilia' according to Stenzel 1934
- 'Calappilia gemmata belongs to Calappilia' according to Beschin 1994
- 'Calappilia gorodiskii belongs to Calappilia' according to Remy 1959
- 'Calappilia incisa belongs to Calappilia' according to Bittner 1886
- 'Calappilia mainii belongs to Calappilia' according to Allasinaz 1987
- 'Calappilia matzkei belongs to Calappilia' according to Bachmayer 1962
- 'Calappilia maxwelli belongs to Calappilia' according to Feldmann 1993
- 'Calappilia ocalanus belongs to Calappilia' according to Ross 1964
- 'Calappilia perlata belongs to Calappilia' according to Noetling 1885
- 'Calappilia scopuli belongs to Calappilia' according to Quayle and Collins 1981
- 'Calappilia sexdentata belongs to Calappilia' according to A. Milne-Edwards 1876
- 'Calappilia subovata belongs to Calappilia' according to Beschin 2002
- 'Calappilia tridentata belongs to Calappilia' according to Beurlen 1939
- 'Calappilia verrucosa belongs to Calappilia' according to A. Milne-Edwards 1873
- 'Calappilia vicetina belongs to Calappilia' according to Fabiani 1910
- 'Calappoidea belongs to Heterotremata'
- 'Callianassa belongs to Callianassidae'
- 'Callianassa abbreviata belongs to Callianassa' according to Rathbun 1918
- 'Callianassa affinis belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa alabamensis belongs to Callianassa' according to Rathbun 1935
- 'Callianassa alaica belongs to Callianassa' according to Birshtein 1956
- 'Callianassa almerai belongs to Callianassa' according to Muller 1993
- 'Callianassa alpha belongs to Callianassa' according to Stenzel 1935
- 'Callianassa americana belongs to Callianassa' according to Woods 1922
- 'Callianassa anguillensis belongs to Callianassa' according to Rathbun 1919
- 'Callianassa armata belongs to Callianassa' according to A. Milne-Edwards 1870
- 'Callianassa articulata belongs to Callianassa' according to Rathbun 1906
- 'Callianassa atlantica belongs to Callianassa' according to Rathbun 1926
- 'Callianassa atrox belongs to Callianassa' according to Bittner 1893
- 'Callianassa awakina belongs to Callianassa' according to Glaessner 1960
- 'Callianassa bakeri belongs to Callianassa' according to Glaessner 1948
- 'Callianassa bandonensis belongs to Callianassa' according to Rathbun 1926
- 'Callianassa batei belongs to Callianassa' according to Woodward 1969
- 'Callianassa beberibae belongs to Callianassa' according to Beurlen 1962
- 'Callianassa berryi belongs to Callianassa' according to Rathbun 1935
- 'Callianassa beta belongs to Callianassa' according to Stenzel 1935
- 'Callianassa birmanica belongs to Callianassa' according to Noetling 1901
- 'Callianassa bonjouri belongs to Callianassa' according to Etallon 1861
- 'Callianassa bosqueana belongs to Callianassa' according to Rathbun 1935
- 'Callianassa brazoensis belongs to Callianassa' according to Stenzel 1934
- 'Callianassa brevimanus belongs to Callianassa' according to Beurlen 1939
- 'Callianassa brocchii belongs to Callianassa' according to Lorenthey 1898
- 'Callianassa burckhardti belongs to Callianassa' according to Bohm 1911
- 'Callianassa burlesonensis belongs to Callianassa' according to Stenzel 1935
- 'Callianassa calaritana belongs to Callianassa' according to Ristori 1896
- 'Callianassa canavarii belongs to Callianassa' according to Ristorri 1889
- 'Callianassa chalmasii belongs to Callianassa' according to Brocchi 1883
- 'Callianassa chanabadica belongs to Callianassa' according to Birshtein 1956
- 'Callianassa cheyennensis belongs to Callianassa' according to Rathbun 1930
- 'Callianassa clarki belongs to Callianassa' according to Pilsbry 1916
- 'Callianassa congolae belongs to Callianassa' according to Secretan 1970
- 'Callianassa conradi belongs to Callianassa' according to Pilsbry 1901
- 'Callianassa cowlitzensis belongs to Callianassa' according to Rathbun 1926
- 'Callianassa craterifera belongs to Callianassa' according to Lorenthey 1926
- 'Callianassa creagrachir belongs to Callianassa' according to Schafhautl 1863
- 'Callianassa cretacea belongs to Callianassa' according to Rathbun 1935
- 'Callianassa danai belongs to Callianassa' according to Hall and Meek 1855
- 'Callianassa delta belongs to Callianassa' according to Rathbun 1935
- 'Callianassa depressiva belongs to Callianassa' according to Secretan 1970
- 'Callianassa desmarestiana belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa edwardsi belongs to Callianassa' according to Via 1959
- 'Callianassa elegans belongs to Callianassa' according to Bohm 1922
- 'Callianassa epsilon belongs to Callianassa' according to Rathbun 1935
- 'Callianassa erecta belongs to Callianassa' according to Bohm 1936
- 'Callianassa espichelsnsis belongs to Callianassa' according to Veiga Ferreira 1961
- 'Callianassa eta belongs to Callianassa' according to Rathbun 1936
- 'Callianassa ferox belongs to Callianassa' according to Bittner 1893
- 'Callianassa floriana belongs to Callianassa' according to Glaessner 1928
- 'Callianassa floridana belongs to Callianassa' according to Rathbun 1935
- 'Callianassa fortis belongs to Callianassa' according to Bohm 1922
- 'Callianassa fraasi belongs to Callianassa' according to Noetling 1885
- 'Callianassa frangens belongs to Callianassa' according to Bohm 1922
- 'Callianassa fresnoensis belongs to Callianassa' according to Rathbun 1926
- 'Callianassa gamma belongs to Callianassa' according to Stenzel 1935
- 'Callianassa gigantea belongs to Callianassa' according to Withers 1924
- 'Callianassa glabra belongs to Callianassa' according to Lorenthey 1929
- 'Callianassa hayanoi belongs to Callianassa' according to Karasawa 2010
- 'Callianassa heberti belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa hilli belongs to Callianassa' according to Rathbun 1918
- 'Callianassa hulli belongs to Callianassa' according to Rathbun 1935
- 'Callianassa incerta belongs to Callianassa' according to Rathbun 1926
- 'Callianassa infracretacea belongs to Callianassa' according to Tribolet 1874
- 'Callianassa inglisestris belongs to Callianassa' according to Roberts 1953
- 'Callianassa inornata belongs to Callianassa' according to Nagao and Huzioka 1938
- 'Callianassa isikariensis belongs to Callianassa' according to Nagao and Otatume 1938
- 'Callianassa jahringensis belongs to Callianassa' according to Glaessner 1928
- 'Callianassa kerepesiensis belongs to Callianassa' according to Muller 1976
- 'Callianassa kewana belongs to Callianassa' according to Rathbun 1926
- 'Callianassa knapptonensis belongs to Callianassa' according to Rathbun 1926
- 'Callianassa kraussei belongs to Callianassa' according to Bohm 1911
- 'Callianassa kraussi belongs to Callianassa' according to Stebbing 1985
- 'Callianassa lacunosa belongs to Callianassa' according to Rathbun 1918
- 'Callianassa latidigitata belongs to Callianassa' according to Rathbun 1919
- 'Callianassa ledae belongs to Callianassa' according to Fritsch 1871
- 'Callianassa longa belongs to Callianassa' according to Noetling 1885
- 'Callianassa lusitanica belongs to Callianassa' according to Veiga Ferreira 1954
- 'Callianassa macrodactylus belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa magna belongs to Callianassa' according to Rathbun 1918
- 'Callianassa masanorii belongs to Callianassa' according to Karasawa 1998
- 'Callianassa massarandubae belongs to Callianassa' according to Beurlen 1962
- 'Callianassa maxima belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa megachir belongs to Callianassa' according to Schafhautl 1863
- 'Callianassa menziesi belongs to Callianassa' according to Withers 1926
- 'Callianassa meridionalis belongs to Callianassa' according to Ball 1960
- 'Callianassa michelotti belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa minor belongs to Callianassa' according to Fischer-Benzon 1866
- 'Callianassa mokkatamensis belongs to Callianassa' according to Noetling 1885
- 'Callianassa mottai belongs to Callianassa' according to Beurlen 1962
- 'Callianassa munieri belongs to Callianassa' according to Brocchi 1883
- 'Callianassa neocomiensis belongs to Callianassa' according to Woodward 1869
- 'Callianassa nilotica belongs to Callianassa' according to Fraas 1867
- 'Callianassa norica belongs to Callianassa' according to Glaessner 1928
- 'Callianassa nuda belongs to Callianassa' according to Beurlen 1939
- 'Callianassa oktibbehana belongs to Callianassa' according to Rathbun 1935
- 'Callianassa oregonensis belongs to Callianassa' according to Dana 1849
- 'Callianassa orientalis belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa oroszyi belongs to Callianassa' according to Bachmayer 1954
- 'Callianassa orthodactylus belongs to Callianassa' according to Schafhautl 1863
- 'Callianassa ovalis belongs to Callianassa' according to Rathbun 1918
- 'Callianassa panamensis belongs to Callianassa' according to Glaessner 1929
- 'Callianassa parinasensis belongs to Callianassa' according to Woods 1922
- 'Callianassa parisiensis belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa pedemontana belongs to Callianassa' according to Crema 1895
- 'Callianassa pellucida belongs to Callianassa' according to Rathbun 1919
- 'Callianassa peruviana belongs to Callianassa' according to Rathbun 1947
- 'Callianassa primaeva belongs to Callianassa' according to Philippi 1887
- 'Callianassa prisca belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa pseudofraasi belongs to Callianassa' according to Lorenthey 1929
- 'Callianassa pseudonilotica belongs to Callianassa' according to Lorenthey 1929
- 'Callianassa pseudorakosiensis belongs to Callianassa' according to Lorenthey 1929
- 'Callianassa pugnax belongs to Callianassa' according to Bohm 1922
- 'Callianassa pustulata belongs to Callianassa' according to Withers 1926
- 'Callianassa quadrata belongs to Callianassa' according to Rathbun 1918
- 'Callianassa rakosiensis belongs to Callianassa' according to Lorenthey 1898
- 'Callianassa rapax belongs to Callianassa' according to Bittner 1893
- 'Callianassa rovasendae belongs to Callianassa' according to Crema 1895
- 'Callianassa roztoczensis belongs to Callianassa' according to Muller 1996
- 'Callianassa seefriedi belongs to Callianassa' according to Ammon 1905
- 'Callianassa simplex belongs to Callianassa' according to Bittner 1893
- 'Callianassa sismondai belongs to Callianassa' according to A. Milne-Edwards 1860
- 'Callianassa songoensis belongs to Callianassa' according to Bohm 1922
- 'Callianassa spinosa belongs to Callianassa' according to Tribolet 1876
- 'Callianassa spinulosa belongs to Callianassa' according to Rathbun 1918
- 'Callianassa stephensi belongs to Callianassa' according to Rathbun 1926
- 'Callianassa stimpsoni belongs to Callianassa' according to Gabb 1864
- 'Callianassa stridens belongs to Callianassa' according to Rathbun 1918
- 'Callianassa subplana belongs to Callianassa' according to Withers 1924
- 'Callianassa subspinosa belongs to Callianassa' according to Glaessner 1929
- 'Callianassa subterranea belongs to Callianassa' according to Montagu 1808
- 'Callianassa suffolkensis belongs to Callianassa' according to Rathbun 1935
- 'Callianassa szobensis belongs to Callianassa' according to Muller 1984
- 'Callianassa taiwanica belongs to Callianassa' according to Hu and Tao 1996
- 'Callianassa tanakai belongs to Callianassa' according to Imaizumi 1957
- 'Callianassa tayamai belongs to Callianassa' according to Imaizumi 1952
- 'Callianassa tenuis belongs to Callianassa' according to Rathbun 1918
- 'Callianassa tepetatensis belongs to Callianassa' according to Rathbun 1930
- 'Callianassa theta belongs to Callianassa' according to Rathbun 1936
- 'Callianassa transversoplicata belongs to Callianassa' according to Noetling 1885
- 'Callianassa trechmanni belongs to Callianassa' according to Withers 1924
- 'Callianassa turkestanica belongs to Callianassa' according to Birshtein 1956
- 'Callianassa ulrichi belongs to Callianassa' according to White 1880
- 'Callianassa umpquaensis belongs to Callianassa' according to Rathbun 1926
- 'Callianassa uncifera belongs to Callianassa' according to Harbort 1905
- 'Callianassa urgoneensis belongs to Callianassa' according to Lorenthey 1929
- 'Callianassa valida belongs to Callianassa' according to Rathbun 1935
- 'Callianassa velox belongs to Callianassa' according to Bittner 1893
- 'Callianassa vidali belongs to Callianassa' according to Via 1959
- 'Callianassa vorax belongs to Callianassa' according to Bittner 1893
- 'Callianassa waikurana belongs to Callianassa' according to Glaessner 1960
- 'Callianassa wechesensis belongs to Callianassa' according to Stenzel 1934
- 'Callianassa yagii belongs to Callianassa' according to Imaizumi 1957
- 'Callianassa zeta belongs to Callianassa' according to Rathbun 1936
- 'Callianassidae belongs to Callianassoidea'
- 'Callianassoidea belongs to Axiidea'
- 'Callianideidae belongs to Callianassoidea'
- 'Callianopsis belongs to Ctenochelidae'
- 'Callianopsis clallamensis belongs to Callianopsis' according to Withers 1924
- 'Callianopsis elongatodigitata belongs to Callianopsis' according to Nagao 1941
- 'Callianopsis inornatus belongs to Callianopsis' according to C. Schweitzer and R. Feldmann 2001
- 'Callianopsis kusiroensis belongs to Callianopsis' according to Nagao 1941
- 'Callianopsis marianae belongs to Callianopsis' according to Hyzny and Schlogl 2010
- 'Callianopsis microspineus belongs to Callianopsis' according to Beschin 2005
- 'Callianopsis muratai belongs to Callianopsis' according to Nagao 1941
- 'Callianopsis titaensis belongs to Callianopsis' according to Nagao 1941
- 'Calliax belongs to Callianassidae'
- 'Callichirus belongs to Callianassidae'
- 'Callichirus bertalani belongs to Callichirus' according to Hyzny and Muller 2010
- 'Callichirus islagrande belongs to Callichirus' according to Schmitt 1935
- 'Callichirus major belongs to Callichirus' according to Say 1818
- 'Callichirus pustulosa belongs to Callichirus' according to Withers 1926
- 'Callichirus symmetricus belongs to Callichirus' according to R. Feldmann and Zinsmeister 1984
- 'Callinectes belongs to Portuninae'
- 'Callinectes alabamensis belongs to Callinectes' according to Rathbun 1935
- 'Callinectes bellicosus belongs to Callinectes' according to Stimpson 1862
- 'Callinectes declivis belongs to Callinectes' according to Rathbun 1918
- 'Callinectes jamaicensis belongs to Callinectes' according to Withers 1924
- 'Callinectes paraensis belongs to Callinectes' according to Beurlen 1958
- 'Callinectes quilonensis belongs to Callinectes' according to Verma 1977
- 'Callinectes reticulatus belongs to Callinectes' according to Rathbun 1918
- 'Callinectes sapidus belongs to Callinectes' according to Rathbun 1896
- 'Callinectes toxodes belongs to Callinectes' according to Ordway 1863
- 'Calocarididae belongs to Callianassoidea'
- 'Caloxanthus belongs to Etyidae'
- 'Caloxanthus americanus belongs to Caloxanthus' according to Rathbun 1935
- 'Caloxanthus formosus belongs to Caloxanthus' according to A. Milne-Edwards 1864
- 'Caloxanthus kuypersi belongs to Caloxanthus' according to Fraaye 1996
- 'Caloxanthus ornata belongs to Caloxanthus' according to Fischer-Benzon 1866
- 'Caloxanthus purleyensis belongs to Caloxanthus' according to Withers 1928
- 'Caloxanthus simplex belongs to Caloxanthus' according to Secretan 1964
- 'Caloxanthus wrighti belongs to Caloxanthus' according to Collins and Breton 2010
- 'Calteagalathea belongs to Galatheidae'
- 'Calteagalathea friulana belongs to Calteagalathea' according to De Angeli and Garassino 2006
- 'Camarocarcinidae belongs to Raninoidea'
- 'Camarocarcinus arnesoni belongs to Camarocarcinus' according to Holland and Cvancara 1958
- 'Camarocarcinus obtusus belongs to Camarocarcinus' according to Jakobsen and Collins 1979
- 'Camarocarcinus quinquetuberculatus belongs to Camarocarcinus' according to Collins and Rasmussen 1992
- 'Cambaridae belongs to Astacoidea'
- 'Camptandriidae belongs to Ocypodoidea'
- 'Campylonotidae belongs to Campylonotoidea'
- 'Campylonotoidea belongs to Caridea'
- 'Campylostoma belongs to Cenomanocarcinidae'
- 'Campylostoma matutiforme belongs to Campylostoma' according to Bell 1858
- 'Cancer belongs to Cancrinae'
- 'Cancer allisoni belongs to Cancer' according to Nations 1975
- 'Cancer bainbridgensis belongs to Cancer' according to Rathbun 1926
- 'Cancer bellianus belongs to Cancer' according to Johnson 1961
- 'Cancer borealis belongs to Cancer' according to Stimpson 1862
- 'Cancer burtini belongs to Cancer' according to Galeotii 1837
- 'Cancer chaneyi belongs to Cancer' according to Nations 1975
- 'Cancer coosensis belongs to Cancer' according to Nations 1975
- 'Cancer durhami belongs to Cancer' according to Nations 1975
- 'Cancer fissus belongs to Cancer' according to Rathbun 1908
- 'Cancer fujinaensis belongs to Cancer' according to Sakumoto et al. 1992
- 'Cancer gabbi belongs to Cancer' according to Rathbun 1926
- 'Cancer garthi belongs to Cancer' according to Nations 1975
- 'Cancer illyricus belongs to Cancer' according to Bittner 1883
- 'Cancer irroratus belongs to Cancer' according to Say 1817
- 'Cancer johngarthi belongs to Cancer' according to Carvacho 1989
- 'Cancer marri belongs to Cancer' according to Nations 1975
- 'Cancer meticurensis belongs to Cancer' according to Thurmann 1853
- 'Cancer modestus belongs to Cancer' according to Fritsch and Kafka 1887
- 'Cancer pagurus belongs to Cancer' according to Linnaeus 1758
- 'Cancer parvidens belongs to Cancer' according to Collins and Fraaye 1991
- 'Cancer porteri belongs to Cancer' according to Rathbun 1930
- 'Cancer proavitus belongs to Cancer' according to Packard 1900
- 'Cancer productus belongs to Cancer' according to Randall 1839
- 'Cancer reversus belongs to Cancer' according to Fritsch and Kafka 1887
- 'Cancer santosi belongs to Cancer' according to Rathbun 1937
- 'Cancer solitarius belongs to Cancer' according to Fritsch and Kafka 1887
- 'Cancer spinosus belongs to Cancer' according to Ristori 1886
- 'Cancer styriacus belongs to Cancer' according to Bittner 1884
- 'Cancer tomowoi belongs to Cancer' according to Karasawa 1990
- 'Cancer vancalsteri belongs to Cancer' according to Van Bakel et al. 2003
- 'Cancer villabersiani belongs to Cancer' according to Gary 1907
- 'Cancer whitfieldi belongs to Cancer' according to Pilsbry 1901
- 'Cancer yanceyi belongs to Cancer' according to Nations 1975
- 'Cancridae belongs to Cancroidea'
- 'Cancrinae belongs to Cancridae'
- 'Cancrinidae belongs to Palinuroidea'
- 'Cancrinos belongs to Cancrinidae'
- 'Cancrinos claviger belongs to Cancrinos' according to Munster 1839
- 'Cancrinos libanensis belongs to Cancrinos' according to Garissino and Schweiget 2006
- 'Cancrinos sahelalmae belongs to Cancrinos' according to Roger 1944
- 'Cancrixantho belongs to Carcineretidae'
- 'Cancrixantho pyrenaicus belongs to Cancrixantho' according to Van Straelen 1934
- 'Cancroidea belongs to Brachyura'
- 'Caphyrinae belongs to Portunidae'
- 'Caprocancer belongs to Xanthoidea'
- 'Caprocancer altus belongs to Caprocancer' according to Muller and Collins 1991
- 'Carcineretes belongs to Carcineretidae'
- 'Carcineretes planetarius belongs to Carcineretes' according to Vega 1997
- 'Carcineretes woolacotti belongs to Carcineretes' according to Withers 1922
- 'Carcineretidae belongs to Portunoidea'
- 'Carcinidae belongs to Portunoidea'
- 'Carcininae belongs to Carcinidae'
- 'Carcinoplax belongs to Goneplacidae'
- 'Carcinoplax antiqua belongs to Carcinoplax' according to Ristori 1889
- 'Carcinoplax granulimanus belongs to Carcinoplax' according to Karasawa and Inoue 1992
- 'Carcinoplax imperfecta belongs to Carcinoplax' according to Karasawa and Inoue 1992
- 'Carcinoplax longimana belongs to Carcinoplax' according to De Haan 1833
- 'Carcinoplax mongosungi belongs to Carcinoplax' according to Hu and Tao 1985
- 'Carcinoplax prepurpurea belongs to Carcinoplax' according to Hu and Tao 2000
- 'Carcinoplax prisca belongs to Carcinoplax' according to Imaizumi 1961
- 'Carcinoplax proavita belongs to Carcinoplax' according to Glaessner 1960
- 'Carcinoplax purpurea belongs to Carcinoplax' according to Rathbun 1914
- 'Carcinoplax shukumi belongs to Carcinoplax' according to Hu and Tao 1985
- 'Carcinoplax temikoensis belongs to Carcinoplax' according to R. Feldmann and Maxwell 1990
- 'Carcinoplax thongi belongs to Carcinoplax' according to Hu and Tao 1985
- 'Carcinoplax tsengi belongs to Carcinoplax' according to Hu and Tao 1996
- 'Carcinoplax wuhsini belongs to Carcinoplax' according to Hu and Tao 1999
- 'Carcinus belongs to Carcininae'
- 'Carcinus agnoensis belongs to Carcinus' according to Beschin 2005
- 'Carcinus maenus belongs to Carcinus' according to Linnaeus 1767
- 'Carcinus minor belongs to Carcinus' according to Rathbun 1926
- 'Cardinia belongs to Decapoda'
- 'Cardirhynchus belongs to Grapsoidea'
- 'Cardirhynchus spinosus belongs to Cardirhynchus' according to Schluter 1862
- 'Cardisoma belongs to Gecarcinidae'
- 'Cardisoma guanhumi belongs to Cardisoma' according to Latreille 1828
- 'Cardisoma planum belongs to Cardisoma' according to Rathbun 1945
- 'Caridina belongs to Atyidae'
- 'Carinacaris belongs to Penaeoidea'
- 'Carinacaris teruzzii belongs to Carinacaris' according to Garassino 1994
- 'Carinocarcinoides belongs to Carinocarcinoididae'
- 'Carinocarcinoides angustifrons belongs to Carinocarcinoides' according to Karasawa 1993
- 'Carinocarcinoides carinatus belongs to Carinocarcinoides' according to Karasawa and Fudouji 2000
- 'Carinocarcinoididae belongs to Goneplacoidea'
- 'Carinocarcinus belongs to Eucratopsinae'
- 'Carinocarcinus zitteli belongs to Carinocarcinus' according to Lorenthey 1898
- 'Carpilius convexus belongs to Carpilius' according to Forskal 1775
- 'Carpilius corallinus belongs to Carpilius' according to Herbst 1783
- 'Carpilius lwangi belongs to Carpilius' according to Hu and Tao 2000
- 'Carpilius maculatus belongs to Carpilius' according to Linnaeus 1758
- 'Carpilius petreus belongs to Carpilius' according to Beschin et al. 2007
- 'Carpopenaeidae belongs to Penaeoidea'
- 'Carpopenaeus belongs to Carpopenaeidae'
- 'Carpopenaeus callirostris belongs to Carpopenaeus' according to Glaessner 1946
- 'Carpopenaeus peterbuergeri belongs to Carpopenaeus' according to Schweigert and Garassino 2005
- 'Carpopenaeus septemspinatus belongs to Carpopenaeus' according to Dames 1886
- 'Cartethusa belongs to Dorippidae'
- 'Carupa belongs to Carupinae'
- 'Carupa tenuipes belongs to Carupa' according to Dana 1852
- 'Carupinae belongs to Portunidae'
- 'Catoptridae belongs to Portunoidea'
- 'Cedrillosia belongs to Glypheidae'
- 'Cedrillosia jurassica belongs to Cedrillosia' according to Garassino et al. 2009
- 'Cenocorystes belongs to Raninoidinae'
- 'Cenocorystes fournieri belongs to Cenocorystes' according to Collins and Breton 2009
- 'Cenomanocarcinidae belongs to Raninoidea'
- 'Cenomanocarcinus belongs to Cenomanocarcinidae' according to D. Guinot et al. 2008
- 'Cenomanocarcinus armatus belongs to Cenomanocarcinus' according to Rathbun 1935
- 'Cenomanocarcinus disimmilis belongs to Cenomanocarcinus' according to Collins 2010
- 'Cenomanocarcinus hierosolymitanus belongs to Cenomanocarcinus' according to Avnimelech 1961
- 'Cenomanocarcinus inflatus belongs to Cenomanocarcinus' according to Van Straelen 1936
- 'Cenomanocarcinus multituberculatus belongs to Cenomanocarcinus' according to Joleaud and Hsu 1935
- 'Cenomanocarcinus oklahomensis belongs to Cenomanocarcinus' according to Rathbun 1935
- 'Cenomanocarcinus renfroae belongs to Cenomanocarcinus' according to Stenzel 1945
- 'Cenomanocarcinus siouxensis belongs to Cenomanocarcinus' according to R. Feldmann 1976
- 'Cenomanocarcinus tenuicarinatus belongs to Cenomanocarcinus' according to Collins 2010
- 'Ceronnectes belongs to Cancrinae'
- 'Ceronnectes boeckhi belongs to Ceronnectes' according to Lorenthey 1898
- 'Ceronnectes pusillinus belongs to Ceronnectes' according to Secretan 1971
- 'Chaceon heimertingensis belongs to Chaceon' according to Bachmayer and Wagner 1957
- 'Chaceon helmstedtense belongs to Chaceon' according to Bachmayer and Mundlos 1968
- 'Chaceon matsushitai belongs to Chaceon' according to Kato and Koizumi 2001
- 'Chaceon miocenicus belongs to Chaceon' according to Fraaije et al. 2005
- 'Chaceon ottnangensis belongs to Chaceon' according to Bachmayer 1953
- 'Charybdis belongs to Thalamitinae'
- 'Charybdis acuta belongs to Charybdis' according to A. Milne-Edwards 1869
- 'Charybdis annulata belongs to Charybdis' according to Fabricius 1798
- 'Charybdis antiqua belongs to Charybdis' according to A. Milne-Edwards 1860
- 'Charybdis arabica belongs to Charybdis' according to Woodward 1905
- 'Charybdis bimaculata belongs to Charybdis' according to Miers 1886
- 'Charybdis feriata belongs to Charybdis' according to Linnaeus 1758
- 'Charybdis fijiensis belongs to Charybdis' according to Rathbun 1945
- 'Charybdis fragillis belongs to Charybdis' according to Muller 1978
- 'Charybdis gigantica belongs to Charybdis' according to Hu and Tao 1996
- 'Charybdis granulata belongs to Charybdis' according to De Haan 1833
- 'Charybdis hoffmeisteri belongs to Charybdis' according to Rathbun 1945
- 'Charybdis japonica belongs to Charybdis' according to A. Milne-Edwards 1861
- 'Charybdis kilmeri belongs to Charybdis' according to Hu 1984
- 'Charybdis leei belongs to Charybdis' according to Hu and Tao 1996
- 'Charybdis mathiasi belongs to Charybdis' according to Muller 1984
- 'Charybdis miles belongs to Charybdis' according to De Haan 1935
- 'Charybdis minuta belongs to Charybdis' according to Hu and Tao 1996
- 'Charybdis monsoonis belongs to Charybdis' according to Hu and Tao 1985
- 'Charybdis obtusa belongs to Charybdis' according to Hu and Tao 1996
- 'Charybdis orientalis belongs to Charybdis' according to Dana 1852
- 'Charybdis preferiata belongs to Charybdis' according to Hu and Tao 1996
- 'Charybdis shihseihi belongs to Charybdis' according to Hu and Tao 1979
- 'Charybdis sinhaleya belongs to Charybdis' according to Deraniyagala 1958
- 'Chasmocarcinidae belongs to Goneplacoidea'
- 'Chasmocarcininae belongs to Chasmocarcinidae'
- 'Chasmocarcinus belongs to Chasmocarcininae'
- 'Chasmocarcinus guerini belongs to Chasmocarcinus' according to Via 1959
- 'Chasmocarcinus robertsi belongs to Chasmocarcinus' according to Blow and Bailey 1992
- 'Chasmocarcinus seymourensis belongs to Chasmocarcinus' according to R. Feldmann and Zinsmeister 1984
- 'Cheiragonidae belongs to Cancroidea'
- 'Cherpiocarcinus belongs to Orithopsidae'
- 'Cherpiocarcinus rostratus belongs to Cherpiocarcinus' according to Marangon and De Angeli 1997
- 'Chilenophoberidae belongs to Nephropoidea'
- 'Chilenophoberus belongs to Chilenophoberidae'
- 'Chilenophoberus atacamensis belongs to Chilenophoberus' according to Chong and Forster 1976
- 'Chimaerastacidae belongs to Glypheoidea'
- 'Chimaerastacus belongs to Chimaerastacidae'
- 'Chimaerastacus pacifluvialis belongs to Chimaerastacus' according to Amati et al. 2004
- 'Chirinocarcinus wichmanni belongs to Chirinocarcinus' according to R. Feldmann and Casadio 1995
- 'Chirostylidae belongs to Galatheoidea'
- 'Chlinocephalus belongs to Euryplacidae'
- 'Chlinocephalus demissifrons belongs to Chlinocephalus' according to Ristori 1886
- 'Chlinocephalus subovalis belongs to Chlinocephalus' according to Ristori 1891
- 'Chlorodiella belongs to Chlorodiellinae'
- 'Chlorodiella cytherea belongs to Chlorodiella' according to Dana 1852
- 'Chlorodiella juglans belongs to Chlorodiella' according to Muller 1984
- 'Chlorodiella junghuhni belongs to Chlorodiella' according to Martin 1880
- 'Chlorodiella laevissima belongs to Chlorodiella' according to Dana 1852
- 'Chlorodiella loczyi belongs to Chlorodiella' according to Muller 1984
- 'Chlorodiella mediterranea belongs to Chlorodiella' according to Lorenthey 1929
- 'Chlorodiella mediterranea tetenyensis belongs to Chlorodiella mediterranea' according to Muller 1984
- 'Chlorodiella nigra belongs to Chlorodiella' according to Forskal 1775
- 'Chlorodiella occidentalis belongs to Chlorodiella' according to Portell and Collins 2004
- 'Chlorodiellinae belongs to Xanthidae'
- 'Chorilia belongs to Pisinae'
- 'Chorilia yui belongs to Chorilia' according to Hu 1984
- 'Cicarnus belongs to Carcinidae'
- 'Cicarnus fumiae belongs to Cicarnus' according to Karasawa and Fudouji 2000
- 'Ciliopagurus belongs to Diogenidae'
- 'Ciliopagurus obesus belongs to Ciliopagurus' according to Van Bakel et al. 2002
- 'Ciliopagurus substriatiformis belongs to Ciliopagurus' according to Lorenthey 1929
- 'Ciliopagurus tethysianus belongs to Ciliopagurus' according to Beschin et al. 2007
- 'Clytiella belongs to Erymidae'
- 'Clytiella spinifera belongs to Clytiella' according to Glaessner 1931
- 'Clytiopsis belongs to Erymidae'
- 'Clytiopsis audax belongs to Clytiopsis' according to Von Meyer 1834
- 'Clytiopsis thuringica belongs to Clytiopsis' according to Forster 1967
- 'Coeloma balticum belongs to Coeloma' according to Schluter 1879
- 'Coeloma birsteini belongs to Coeloma' according to Ilyin 2005
- 'Coeloma credneri belongs to Coeloma' according to Noetling 1881
- 'Coeloma dentatum belongs to Coeloma' according to Woodward 1873
- 'Coeloma egerense belongs to Coeloma' according to Lorenthey 1929
- 'Coeloma glabra belongs to Coeloma' according to Woodward 1873
- 'Coeloma granulosum belongs to Coeloma' according to A. Milne-Edwards 1881
- 'Coeloma incarinatum belongs to Coeloma' according to Sorgenfrei 1940
- 'Coeloma isseli belongs to Coeloma' according to Ristori 1886
- 'Coeloma latifrons belongs to Coeloma' according to Forster and Mundlos 1982
- 'Coeloma macrodactylus belongs to Coeloma' according to Van Straelen 1925
- 'Coeloma martinezensis belongs to Coeloma' according to Rathbun 1926
- 'Coeloma rupeliense belongs to Coeloma' according to Stainier 1887
- 'Coeloma sabatium belongs to Coeloma' according to Ristori 1886
- 'Coeloma taunicum belongs to Coeloma' according to Von Meyer 1862
- 'Coeloma varelata belongs to Coeloma' according to Lorenthey 1898
- 'Coeloma vigil belongs to Coeloma' according to A. Milne-Edwards 1865
- 'Coelopus belongs to Longodromitidae'
- 'Coenobita belongs to Coenobitidae'
- 'Coenobita rugosus belongs to Coenobita' according to Bouvier 1890
- 'Coenobitidae belongs to Paguroidea'
- 'Coleia belongs to Coleiidae'
- 'Coleia antiqua belongs to Coleia' according to Broderip 1835
- 'Coleia barrovensis belongs to Coleia' according to McCoy 1849
- 'Coleia boboi belongs to Coleia' according to Garassino and Gironi 2006
- 'Coleia bredonensis belongs to Coleia' according to Woods 1925
- 'Coleia brodiei belongs to Coleia' according to Woodward 1866
- 'Coleia crassichelis belongs to Coleia' according to Woodward 1866
- 'Coleia edwardsi belongs to Coleia' according to Moriere 1864
- 'Coleia incerta belongs to Coleia' according to Secretan 1964
- 'Coleia longipes belongs to Coleia' according to Fraas 1855
- 'Coleia mediterranea belongs to Coleia' according to Pinna 1968
- 'Coleia moorei belongs to Coleia' according to Woodward 1866
- 'Coleia morierei belongs to Coleia' according to Renault 1889
- 'Coleia pinnai belongs to Coleia' according to Teruzzi 1990
- 'Coleia popeyei belongs to Coleia' according to Teruzzi 1990
- 'Coleia sibirica belongs to Coleia' according to Chernyschev 1930
- 'Coleia sinuata belongs to Coleia' according to Beurlen 1928
- 'Coleia tenuichelis belongs to Coleia' according to Woods 1925
- 'Coleia theodorii belongs to Coleia' according to Kuhn 1952
- 'Coleia viallii belongs to Coleia' according to Pinna 1968
- 'Coleia wilmcotensis belongs to Coleia' according to Woodward 1866
- 'Coleiidae belongs to Eryonoidea'
- 'Collinsius belongs to Chasmocarcininae'
- 'Collinsius simplex belongs to Collinsius' according to Karasawa 1993
- 'Colneptunus belongs to Portuninae'
- 'Colneptunus dalloni belongs to Colneptunus' according to Van Straelen 1930
- 'Colneptunus hungaricus belongs to Colneptunus' according to Lorenthey 1929
- 'Colneptunus hungaricus lutetianus belongs to Colneptunus hungaricus' according to Remy 1954
- 'Colpocaris belongs to Xanthoidea'
- 'Colpocaris bullatus belongs to Colpocaris' according to Von Meyer 1862
- 'Comoxianassa belongs to Callianassidae'
- 'Comoxianassa haggarti belongs to Comoxianassa' according to C. Schweitzer et al. 2009
- 'Concavilateris belongs to Konidromitidae'
- 'Concavilateris barbulescuae belongs to Concavilateris' according to Frantescu 2010
- 'Conleyidae belongs to Goneplacoidea'
- 'Corallianassa belongs to Callianassidae'
- 'Corallianassa acucurvata belongs to Corallianassa' according to Swen 2001
- 'Corallianassa rigoi belongs to Corallianassa' according to De Angeli and Garassino 2006
- 'Corallicarcinus belongs to Euryplacidae'
- 'Corallicarcinus planus belongs to Corallicarcinus' according to Muller and Collins 1991
- 'Corallicarcinus spinosus belongs to Corallicarcinus' according to Lorenthey 1929
- 'Corystes belongs to Corystidae'
- 'Corystes cassivelaunus belongs to Corystes' according to Pennant 1777
- 'Corystes minisculus belongs to Corystes' according to R. Feldmann and Wilson 1998
- 'Corystidae belongs to Brachyura'
- 'Corystites belongs to Corystidae'
- 'Corystites latifrons belongs to Corystites' according to Lorenthey 1929
- 'Corystites vicetinus belongs to Corystites' according to De Angeli et al. 2010
- 'Costacopluma australis belongs to Costacopluma' according to R. Feldmann and Casadio 1995
- 'Costacopluma binodosa belongs to Costacopluma' according to Collins and Rasmussen 1992
- 'Costacopluma bishopi belongs to Costacopluma' according to Vega and R. Feldmann 1992
- 'Costacopluma grayi belongs to Costacopluma' according to R. Feldmann and Portell 2007
- 'Costacopluma maroccana belongs to Costacopluma' according to Osso-Morales et al. 2010
- 'Costacopluma mexicana belongs to Costacopluma' according to Vega and Perrilliat 1989
- 'Costacopluma nordestina belongs to Costacopluma' according to R. Feldmann and Martins-Neto 1995
- 'Costacopluma salamanca belongs to Costacopluma' according to R. Feldmann 1997
- 'Cowichianassa belongs to Callianassidae'
- 'Cowichianassa meckerti belongs to Cowichianassa' according to C. Schweitzer 2009
- 'Crangon belongs to Crangonidae'
- 'Crangon miocenicus belongs to Crangon' according to Garassino and Teruzzi 1996
- 'Crangonidae belongs to Crangonoidea'
- 'Crangonoidea belongs to Caridea'
- 'Cretachlorodius belongs to Xanthoidea'
- 'Cretachlorodius enciensis belongs to Cretachlorodius' according to Fraaye 1996
- 'Cretacoranina belongs to Palaeocorystidae'
- 'Cretacoranina australis belongs to Cretacoranina' according to Secretan 1964
- 'Cretacoranina denisae belongs to Cretacoranina' according to Secretan 1964
- 'Cretacoranina dichrous belongs to Cretacoranina' according to Stenzel 1945
- 'Cretacoranina laevis belongs to Cretacoranina' according to Schluter 1868
- 'Cretacoranina ornatus belongs to Cretacoranina' according to Wright and Collins 1972
- 'Cretacoranina paututensis belongs to Cretacoranina' according to Collins and Rasmussen 1992
- 'Cretacoranina punctata belongs to Cretacoranina' according to Rathbun 1935
- 'Cretacoranina schloenbachi belongs to Cretacoranina' according to Schluter 1879
- 'Cretacoranina syriacus belongs to Cretacoranina' according to Withers 1928
- 'Cretagalathea belongs to Galatheidae'
- 'Cretagalathea exigua belongs to Cretagalathea' according to Garassino et al. 2008
- 'Cretapenaeus belongs to Penaeoidea'
- 'Cretapenaeus berberus belongs to Cretapenaeus' according to Garassino 2006
- 'Cretasergestes belongs to Sergestoidea'
- 'Cretasergestes sahelalmaensis belongs to Cretasergestes' according to Garassino and Schweigert 2006
- 'Cricoidoscelosidae belongs to Astacoidea'
- 'Cricoidoscelosus aethus belongs to Cricoidoscelosus' according to Taylor et al. 1999
- 'Cristafrons belongs to Raninoidinae'
- 'Cristafrons praescientis belongs to Cristafrons' according to R. Feldmann et al. 1993
- 'Cristella belongs to Necrocarcinidae'
- 'Cristella hastata belongs to Cristella' according to Collins and Rasmussen 1992
- 'Cristipluma belongs to Retroplumidae'
- 'Cristipluma mississippiensis belongs to Cristipluma' according to Bishop 1983
- 'Cronius belongs to Portuninae'
- 'Cronius obscurus belongs to Cronius' according to Rathbun 1945
- 'Crosniera belongs to Thomassiniidae'
- 'Crosniera schweitzerae belongs to Crosniera' according to Hyzny and Schlogl 2010
- 'Crossotonotidae belongs to Palicoidea'
- 'Crossotonotus belongs to Crossotonotidae'
- 'Crossotonotus diosdensis belongs to Crossotonotus' according to Muller 1984
- 'Cryptochiroidea belongs to Brachyura'
- 'Cryptodromia belongs to Dromiinae'
- 'Cryptodromia fallax belongs to Cryptodromia' according to Lamarck 1818
- 'Cryptolutea belongs to Rhizopinae'
- 'Cryptolutea littoralis belongs to Cryptolutea' according to Collins 2003
- 'Cryptolutea warreni belongs to Cryptolutea' according to Karasawa 2008
- 'Cryptosoma belongs to Calappidae'
- 'Ctenocheles anderseni belongs to Ctenocheles' according to Collins and Jakobsen 2003
- 'Ctenocheles chattiensis belongs to Ctenocheles' according to Polkowsky 2004
- 'Ctenocheles cookei belongs to Ctenocheles' according to Rathbun 1935
- 'Ctenocheles dentatus belongs to Ctenocheles' according to Rathbun 1935
- 'Ctenocheles hokoensis belongs to Ctenocheles' according to C. Schweitzer and R. Feldmann 2001
- 'Ctenocheles inaequidens belongs to Ctenocheles' according to Pleseneer 1886
- 'Ctenocheles madagascariensis belongs to Ctenocheles' according to Secretan 1964
- 'Ctenocheles maorianus belongs to Ctenocheles' according to Powell 1949
- 'Ctenocheles ornatus belongs to Ctenocheles' according to Beschin 2005
- 'Ctenocheles possagnoensis belongs to Ctenocheles' according to Busulini and Beschin 2009
- 'Ctenocheles rupeliensis belongs to Ctenocheles' according to Beurlen 1939
- 'Ctenocheles secretanae belongs to Ctenocheles' according to C. Schweitzer and R. Feldmann 2002
- 'Ctenocheles sereaensis belongs to Ctenocheles' according to Beschin et al. 2009
- 'Ctenocheles sujakui belongs to Ctenocheles' according to Imaizumi 1958
- 'Ctenocheles valdellae belongs to Ctenocheles' according to Fabiani 1908
- 'Ctenocheles victor belongs to Ctenocheles' according to Glaessner 1948
- 'Ctenochelidae belongs to Callianassoidea'
- 'Cyamocarcinus belongs to Dromioidea'
- 'Cyamocarcinus angustifrons belongs to Cyamocarcinus' according to Bittner 1883
- 'Cycleryon belongs to Eryonidae'
- 'Cycleryon elongatus belongs to Cycleryon' according to Munster 1839
- 'Cycleryon orbiculatus belongs to Cycleryon' according to Munster 1839
- 'Cycleryon propinquus belongs to Cycleryon' according to Schlotheim 1822
- 'Cycleryon wulfi belongs to Cycleryon' according to Garassino and Schweigert 2004
- 'Cyclocancer belongs to Cancrinae'
- 'Cyclocancer tuberculatus belongs to Cyclocancer' according to Beurlen 1958
- 'Cyclocorystes belongs to Tumidocarcinidae'
- 'Cyclocorystes vulgatus belongs to Cyclocorystes' according to Quayle and Collins 1981
- 'Cyclodius belongs to Chlorodiellinae'
- 'Cyclodius granulosus belongs to Cyclodius' according to De Man 1888
- 'Cyclodius nitidus belongs to Cyclodius' according to Dana 1852
- 'Cyclodius ungulatus belongs to Cyclodius' according to H. Milne-Edwards 1834
- 'Cyclodorippidae belongs to Cyclodorippoidea'
- 'Cyclodorippinae belongs to Cyclodorippidae'
- 'Cyclodorippoidea belongs to Brachyura'
- 'Cycloes belongs to Calappidae'
- 'Cycloes granulosa belongs to Cycloes' according to De Haan 1837
- 'Cyclograpsinae belongs to Varunidae'
- 'Cyclograpsus belongs to Cyclograpsinae'
- 'Cyclograpsus directus belongs to Cyclograpsus' according to Karasawa 1989
- 'Cyclograpsus lwangi belongs to Cyclograpsus' according to Hu and Tao 1999
- 'Cyclograpsus rectangularis belongs to Cyclograpsus' according to Karasawa 1989
- 'Cycloprosopon belongs to Goniodromitidae'
- 'Cycloprosopon complanatiforme belongs to Cycloprosopon' according to Moericke 1889
- 'Cycloprosopon conspicuum belongs to Cycloprosopon' according to C. Schweitzer and R. Feldmann 2010
- 'Cycloprosopon devexum belongs to Cycloprosopon' according to C. Schweitzer and R. Feldmann 2010
- 'Cycloprosopon etalloni belongs to Cycloprosopon' according to Gemmellaro 1869
- 'Cycloprosopon octonarium belongs to Cycloprosopon' according to C. Schweitzer and R. Feldmann 2010
- 'Cycloprosopon stenofrons belongs to Cycloprosopon' according to C. Schweitzer and R. Feldmann 2010
- 'Cycloprosopon typicum belongs to Cycloprosopon' according to Lorenthey 1929
- 'Cyclothyreus belongs to Goniodromitidae'
- 'Cyclothyreus latus belongs to Cyclothyreus' according to Moericke 1889
- 'Cyclothyreus transitorius belongs to Cyclothyreus' according to Remes 1895
- 'Cycloxanthops belongs to Xanthinae'
- 'Cycloxanthops eous belongs to Cycloxanthops' according to Rathbun 1945
- 'Cycloxanthops novemdentatus belongs to Cycloxanthops' according to Lockington 1877
- 'Cymoinae belongs to Xanthidae'
- 'Cymonomidae belongs to Cyclodorippoidea'
- 'Cymonomus belongs to Cymonomidae'
- 'Cymonomus primitivus belongs to Cymonomus' according to Muller and Collins 1991
- 'Cyrtorhina belongs to Cyrtorhininae'
- 'Cyrtorhina globosa belongs to Cyrtorhina' according to Beschin et al. 1988
- 'Cyrtorhina oblonga belongs to Cyrtorhina' according to Beschin et al. 1988
- 'Cyrtorhina ripacurtae belongs to Cyrtorhina' according to Artal and Castillo 2005
- 'Cyrtorhininae belongs to Palaeocorystidae'
- 'Dacryopilumnidae belongs to Dairoidea'
- 'Dagnaudus belongs to Homolidae'
- 'Dagnaudus pritchardi belongs to Dagnaudus' according to Jenkins 1977
- 'Daira belongs to Dairoidea'
- 'Daira coronata belongs to Daira' according to Beschin 2005
- 'Daira depressa belongs to Daira' according to A. Milne-Edwards 1865
- 'Daira eocaenica belongs to Daira' according to Lorenthey 1898
- 'Daira eocenica belongs to Daira' according to Di Salvo 1933
- 'Daira perlata belongs to Daira' according to Herbst 1790
- 'Daira salebrosa belongs to Daira' according to Beschin 2002
- 'Daira sicula belongs to Daira' according to Di Salvo 1933
- 'Daira speciosa belongs to Daira' according to Reuss 1871
- 'Daira vulgaris belongs to Daira' according to Portell and Collins 2004
- 'Dairidae belongs to Dairoidea'
- 'Dairoidea belongs to Brachyura'
- 'Dakoticancer belongs to Dakoticancridae'
- 'Dakoticancer australis belongs to Dakoticancer' according to Rathbun 1935
- 'Dakoticancridae belongs to Dakoticancroidea'
- 'Dakoticancroidea belongs to Brachyura'
- 'Daldorfia eocenica belongs to Daldorfia' according to Beschin et al. 2007
- 'Daldorfia fabianii belongs to Daldorfia' according to Beschin et al. 2001
- 'Daldorfia himaleoraphis belongs to Daldorfia' according to C. Schweitzer 2001
- 'Daldorfia nagashimai belongs to Daldorfia' according to Karasawa and Kato 1993
- 'Daldorfiinae belongs to Parthenopidae'
- 'Daragrapsus belongs to Grapsoidea'
- 'Daragrapsus trispinosus belongs to Daragrapsus' according to Muller and Collins 1991
- 'Daranyia belongs to Grapsoidea'
- 'Daranyia fabianii belongs to Daranyia' according to Di Salvo 1933
- 'Daranyia granulata belongs to Daranyia' according to Lorenthey 1901
- 'Dardanus belongs to Diogenidae'
- 'Dardanus arnoldi belongs to Dardanus' according to Rathbun 1926
- 'Dardanus arrosor belongs to Dardanus' according to Herbst 1796
- 'Dardanus curtimanus belongs to Dardanus' according to Muller and Collins 1991
- 'Dardanus gemmatus belongs to Dardanus' according to H. Milne-Edwards 1848
- 'Dardanus hungaricus belongs to Dardanus' according to Lorenthey 1929
- 'Dardanus impressus belongs to Dardanus' according to De Haan 1849
- 'Dardanus lauensis belongs to Dardanus' according to Rathbun 1945
- 'Dardanus mediterraneus belongs to Dardanus' according to Lorenthey 1907
- 'Dardanus muelleri belongs to Dardanus' according to Karasawa and Inoue 1992
- 'Dardanus substriatus belongs to Dardanus' according to A. Milne-Edwards 1861
- 'Delclosia belongs to Atyidae'
- 'Delclosia martinelli belongs to Delclosia' according to Rabada 1993
- 'Delclosia roselli belongs to Delclosia' according to Via 1971
- 'Demania belongs to Xanthinae'
- 'Demania caltripes belongs to Demania' according to Alcock 1898
- 'Demania chayiensis belongs to Demania' according to Hu 1981
- 'Demania pilipinas belongs to Demania' according to Karasawa 2008
- 'Demania reynaudii belongs to Demania' according to H. Milne-Edwards 1834
- 'Demania scaberrima belongs to Demania' according to Walker 1887
- 'Demania wardi belongs to Demania' according to Garth and Ng 1985
- 'Derilambrus belongs to Parthenopinae'
- 'Derilambrus angulifrons belongs to Derilambrus' according to Latreille 1825
- 'Desmocarididae belongs to Palaemonoidea'
- 'Diacanthurus belongs to Paguridae'
- 'Diacanthurus clifdenensis belongs to Diacanthurus' according to Hyden and Forest 1980
- 'Diaulacidae belongs to Dromioidea'
- 'Diaulax belongs to Diaulacidae'
- 'Diaulax carteriana belongs to Diaulax' according to Bell 1863
- 'Diaulax feliceps belongs to Diaulax' according to Wright and Collins 1972
- 'Diaulax italica belongs to Diaulax' according to Beschin et al. 2007
- 'Diaulax oweni belongs to Diaulax' according to Bell 1850
- 'Diaulax roddai belongs to Diaulax' according to Bishop 1983
- 'Diaulax yokoii belongs to Diaulax' according to Collins 1993
- 'Dilocarcininae belongs to Trichodactylidae'
- 'Diogenes belongs to Diogenidae'
- 'Diogenes edwardsii belongs to Diogenes' according to De Haan 1849
- 'Diogenes longimanus belongs to Diogenes' according to Muller and Collins 1991
- 'Diogenes matrensis belongs to Diogenes' according to Muller 1984
- 'Diogenes pugilator belongs to Diogenes' according to Roux 1828
- 'Diogenidae belongs to Paguroidea'
- 'Dioratiopus belongs to Longodromitidae'
- 'Dioratiopus salebrosus belongs to Dioratiopus' according to Woods 1953
- 'Distefania belongs to Goniodromitidae'
- 'Distefania autissiodorensis belongs to Distefania' according to Van Straelen 1936
- 'Distefania calva belongs to Distefania' according to C. Schweitzer and R. Feldmann 2010
- 'Distefania centrosa belongs to Distefania' according to Van Straelen 1940
- 'Distefania cryptica belongs to Distefania' according to Jagt et al. 2007
- 'Distefania dacia belongs to Distefania' according to C. Schweitzer and R. Feldmann 2010
- 'Distefania himeraensis belongs to Distefania' according to Checchia-Rispoli 1917
- 'Distefania incerta belongs to Distefania' according to Bell 1863
- 'Distefania oxythyreiformis belongs to Distefania' according to Gemmellaro 1869
- 'Distefania renevieri belongs to Distefania' according to Tribolet 1876
- 'Distefania sergipensis belongs to Distefania' according to Beurlen 1965
- 'Distefania sinososulcata belongs to Distefania' according to Wright and Collins 1972
- 'Distefania transiens belongs to Distefania' according to Wright and Collins 1972
- 'Dorippe belongs to Dorippidae'
- 'Dorippe frankhauseri belongs to Dorippe' according to Studer 1898
- 'Dorippe margaretha belongs to Dorippe' according to Lorenthey 1929
- 'Dorippe ornatissima belongs to Dorippe' according to Muller 2006
- 'Dotillidae belongs to Ocypodoidea'
- 'Drachiella belongs to Aethridae'
- 'Drachiella guinotae belongs to Drachiella' according to Morris and Collins 1991
- 'Drobna belongs to Penaeoidea'
- 'Drobna deformis belongs to Drobna' according to Munster 1839
- 'Dromia belongs to Dromiinae'
- 'Dromia corvini belongs to Dromia' according to Bittner 1893
- 'Dromia fossata belongs to Dromia' according to Muller and Collins 1991
- 'Dromia neogenica belongs to Dromia' according to Muller 1978
- 'Dromia subglobosa belongs to Dromia' according to Muller and Collins 1991
- 'Dromiacea belongs to Brachyura'
- 'Dromidia belongs to Dromiinae'
- 'Dromidia bedetteae belongs to Dromidia' according to Blow and Manning 1996
- 'Dromiidae belongs to Dromioidea'
- 'Dromiinae belongs to Dromiidae'
- 'Dromilites belongs to Sphaerodromiidae'
- 'Dromilites alpina belongs to Dromilites' according to Glaessner 1929
- 'Dromilites bucklandi belongs to Dromilites' according to H. Milne-Edwards 1837
- 'Dromilites pastoris belongs to Dromilites' according to Via 1959
- 'Dromilites simplex belongs to Dromilites' according to Quayle and Collins 1981
- 'Dromilites vicensis belongs to Dromilites' according to Barnolas-Cortinas 1973
- 'Dromioidea belongs to Brachyura'
- 'Dromiopsis belongs to Dromiinae'
- 'Dromiopsis americana belongs to Dromiopsis' according to Roberts 1956
- 'Dromiopsis depressa belongs to Dromiopsis' according to Segerberg 1900
- 'Dromiopsis elegans belongs to Dromiopsis' according to Reuss 1858
- 'Dromiopsis gigas belongs to Dromiopsis' according to Forir 1887
- 'Dromiopsis granulata belongs to Dromiopsis' according to Collins and Rasmussen 1992
- 'Dromiopsis humerosus belongs to Dromiopsis' according to Quayle and Collins 1981
- 'Dromiopsis laevior belongs to Dromiopsis' according to Reuss 1859
- 'Dromiopsis mosae belongs to Dromiopsis' according to Collins 1995
- 'Dromiopsis paucigranosa belongs to Dromiopsis' according to Beschin et al. 2007
- 'Dromiopsis praelaevior belongs to Dromiopsis' according to Collins 1995
- 'Dromiopsis pulchella belongs to Dromiopsis' according to Secretan 1964
- 'Dromiopsis rugosus belongs to Dromiopsis' according to Schlotheim 1820
- 'Dromiopsis ubaghsi belongs to Dromiopsis' according to Forir 1889
- 'Duncanitrix belongs to Leucosiidae'
- 'Duncanitrix jamaicensis belongs to Duncanitrix' according to Portell and Collins 2004
- 'Dusa belongs to Penaeoidea'
- 'Dusa araneae belongs to Dusa' according to Schweigert 2002
- 'Dusa bronni belongs to Dusa' according to Oppel 1862
- 'Dusa denticulata belongs to Dusa' according to Munster 1839
- 'Dusa longipes belongs to Dusa' according to Pinna 1974
- 'Dusa monocera belongs to Dusa' according to Munster 1839
- 'Dynomene belongs to Dynomenidae'
- 'Dynomene acutispinis belongs to Dynomene' according to Rathbun 1945
- 'Dynomene emiliae belongs to Dynomene' according to Muller 1978
- 'Dynomene hispida belongs to Dynomene' according to Guerin-Meneville 1832
- 'Dynomene lessinea belongs to Dynomene' according to Beschin 2001
- 'Dynomene praedator belongs to Dynomene' according to A. Milne-Edwards 1878
- 'Dynomene shinobui belongs to Dynomene' according to Karasawa 1993
- 'Dynomene variabilis belongs to Dynomene' according to Portel and Collins 2004
- 'Dynomenidae belongs to Dromioidea'
- 'Dynomenopsis belongs to Tumidocarcinidae'
- 'Dynomenopsis branisai belongs to Dynomenopsis' according to Secretan 1972
- 'Ebalia belongs to Ebaliinae'
- 'Ebalia cranchii belongs to Ebalia' according to Leach 1817
- 'Ebalia cryptocnemoides belongs to Ebalia' according to Takeda and Miyake 1972
- 'Ebalia ferganensis belongs to Ebalia' according to Ilyin and Alekseev 2005
- 'Ebalia fucinii belongs to Ebalia' according to Ristori 1893
- 'Ebalia hungarica belongs to Ebalia' according to Muller 1974
- 'Ebalia jacqueshermani belongs to Ebalia' according to van Bakel et al. 2003
- 'Ebalia kakegawaensis belongs to Ebalia' according to Karasawa 1993
- 'Ebalia lamarmorai belongs to Ebalia' according to Lorenthey 1909
- 'Ebalia longimana belongs to Ebalia' according to Ortmann 1892
- 'Ebalia meulenkampi belongs to Ebalia' according to Georgiades and Muller 1984
- 'Ebalia multiangulata belongs to Ebalia' according to Muller 1993
- 'Ebalia noetlingi belongs to Ebalia' according to Karasawa 2008
- 'Ebalia nux belongs to Ebalia' according to A. Milne-Edwards 1883
- 'Ebalia oersi belongs to Ebalia' according to Muller 1978
- 'Ebalia tuberosa belongs to Ebalia' according to Pennant 1777
- 'Ebalia tumefacta belongs to Ebalia' according to Montagu 1808
- 'Ebalia vahldieki belongs to Ebalia' according to Forster and Mundlos 1992
- 'Ebalia vanstraeleni belongs to Ebalia' according to Bachmayer 1953
- 'Enoploclytia belongs to Erymidae'
- 'Enoploclytia armata belongs to Enoploclytia' according to Secretan 1964
- 'Enoploclytia brevimana belongs to Enoploclytia' according to McCoy 1849
- 'Enoploclytia collignoni belongs to Enoploclytia' according to Secretan 1964
- 'Enoploclytia edwardsi belongs to Enoploclytia' according to Sauvage 1891
- 'Enoploclytia eocenica belongs to Enoploclytia' according to Garassino et al. 2009
- 'Enoploclytia glaessneri belongs to Enoploclytia' according to Van Straelen 1936
- 'Enoploclytia granulicauda belongs to Enoploclytia' according to Schluter 1862
- 'Enoploclytia imagei belongs to Enoploclytia' according to McCoy 1849
- 'Enoploclytia leachii belongs to Enoploclytia' according to Mantell 1822
- 'Enoploclytia paucispina belongs to Enoploclytia' according to Schluter 1868
- 'Enoploclytia salviensis belongs to Enoploclytia' according to Robineau-Desvoidy 1849
- 'Enoploclytia sculpta belongs to Enoploclytia' according to Rathbun 1926
- 'Enoploclytia seitzi belongs to Enoploclytia' according to Glaessner 1932
- 'Enoploclytia tenuidigitata belongs to Enoploclytia' according to Woods 1957
- 'Enoploclytia triglypta belongs to Enoploclytia' according to Stenzel 1945
- 'Enoploclytia tumimanus belongs to Enoploclytia' according to Rathbun 1935
- 'Enoploclytia wenoensis belongs to Enoploclytia' according to Rathbun 1935
- 'Enoploclytia wintoni belongs to Enoploclytia' according to Stenzel 1945
- 'Enoplolambrus belongs to Parthenopinae'
- 'Enoplolambrus laciniata belongs to Enoplolambrus' according to De Haan 1839
- 'Enoplolambrus shibatai belongs to Enoplolambrus' according to Karasawa et al. 2010
- 'Enoplometopidae belongs to Enoplometopoidea'
- 'Enoplometopoidea belongs to Astacidea'
- 'Enoplonotus belongs to Portunidae'
- 'Enoplonotus armatus belongs to Enoplonotus' according to A. Milne-Edwards 1860
- 'Eocalcinus belongs to Diogenidae'
- 'Eocalcinus albus belongs to Eocalcinus' according to Beschin et al. 2010
- 'Eocalcinus cavus belongs to Eocalcinus' according to Beschin 2002
- 'Eocalcinus eocenicus belongs to Eocalcinus' according to Via 1959
- 'Eocarcinidae belongs to Eocarcinoidea'
- 'Eocarcinoidea belongs to Anomura'
- 'Eocarcinus belongs to Eocarcinidae'
- 'Eocarcinus praecursor belongs to Eocarcinus' according to Withers 1932
- 'Eocarpilius anomola belongs to Eocarpilius' according to Rathbun 1935
- 'Eocarpilius antiquus belongs to Eocarpilius' according to Glaessner 1928
- 'Eocarpilius carolinensis belongs to Eocarpilius' according to Blow and Manning 1996
- 'Eocharybdis belongs to Thalamitinae'
- 'Eocharybdis cristata belongs to Eocharybdis' according to Beschin 2002
- 'Eodorippe belongs to Dorippidae'
- 'Eodorippe spedeni belongs to Eodorippe' according to Glaessner 1980
- 'Eodromites belongs to Goniodromitidae'
- 'Eodromites aequilatum belongs to Eodromites' according to Von Meyer 1860
- 'Eodromites dobrogea belongs to Eodromites' according to R. Feldmann et al. 2006
- 'Eodromites grande belongs to Eodromites' according to Von Meyer 1857
- 'Eoglypturus belongs to Callianassidae'
- 'Eoglypturus grolensis belongs to Eoglypturus' according to Beschin et al. 2005
- 'Eohalimede belongs to Pilumninae'
- 'Eohalimede granosa belongs to Eohalimede' according to Beschin 2002
- 'Eohalimede sandersi belongs to Eohalimede' according to Blow and Manning 1998
- 'Eohalimede walleri belongs to Eohalimede' according to Blow and Manning 1996
- 'Eohexapus belongs to Hexapodidae'
- 'Eohexapus albertii belongs to Eohexapus' according to De Angeli et al. 2010
- 'Eoinachoides belongs to Epialtinae'
- 'Eoinachoides latispinosa belongs to Eoinachoides' according to Carriol et al. 1987
- 'Eoinachoides senni belongs to Eoinachoides' according to Van Straelen 1933
- 'Eomaldivia belongs to Trapeziidae'
- 'Eomaldivia pannonica belongs to Eomaldivia' according to Muller and Collins 1991
- 'Eomaldivia trispinosa belongs to Eomaldivia' according to Muller and Collins 1991
- 'Eomatuta belongs to Matutidae'
- 'Eomatuta granosa belongs to Eomatuta' according to De Angeli and Marchiori 2009
- 'Eomunidopsis belongs to Galatheidae'
- 'Eomunidopsis kinokunica belongs to Eomunidopsis' according to Karasawa et al. 2008
- 'Eomunidopsis meerssensis belongs to Eomunidopsis' according to Collins 1995
- 'Eomunidopsis neojurensis belongs to Eomunidopsis' according to Patrulius 1959
- 'Eomunidopsis orobensis belongs to Eomunidopsis' according to Ruiz de Gaona 1943
- 'Eomunidopsis portlandica belongs to Eomunidopsis' according to Fraaye and Collins 1996
- 'Eopaguropsis belongs to Paguroidea'
- 'Eopaguropsis loercheri belongs to Eopaguropsis' according to Van Bakel 2008
- 'Eopalicus belongs to Palicidae'
- 'Eopalicus imbricatus belongs to Eopalicus' according to De Angeli and Beschin 2000
- 'Eopalicus semicarinatus belongs to Eopalicus' according to De Angeli and Beschin 2000
- 'Eopalicus squamosus belongs to Eopalicus' according to Beschin et al. 1996
- 'Eopetrolisthes belongs to Porcellanidae'
- 'Eopetrolisthes striatissimus belongs to Eopetrolisthes' according to Muller and Collins 1991
- 'Eopilumnus belongs to Pilumninae'
- 'Eopilumnus checchii belongs to Eopilumnus' according to Beschin 2002
- 'Eoprosopon belongs to Homolodromiidae'
- 'Eoprosopon klugi belongs to Eoprosopon' according to Forster 1986
- 'Eotrachynotocarcinus belongs to Dromioidea'
- 'Eotrachynotocarcinus airaghii belongs to Eotrachynotocarcinus' according to Beschin 2007
- 'Eotylaspis belongs to Paguroidea'
- 'Eotylaspis wehnerae belongs to Eotylaspis' according to Van Bakel 2008
- 'Eoxanthias belongs to Xanthoidea'
- 'Eoxanthias keelonicus belongs to Eoxanthias' according to Hu and Tao 1996
- 'Epialtidae belongs to Majoidea'
- 'Epialtus belongs to Epialtinae'
- 'Epialtus pacificus belongs to Epialtus' according to Rathbun 1945
- 'Epigodromia belongs to Dromiinae'
- 'Epigodromia areolata belongs to Epigodromia' according to Ihle 1913
- 'Epilobocerinae belongs to Pseudothelphusidae'
- 'Epixanthus belongs to Oziidae'
- 'Epixanthus frontalis belongs to Epixanthus' according to H. Milne-Edwards 1834
- 'Eriocheir belongs to Varuninae'
- 'Eriocheir japonica belongs to Eriocheir' according to De Haan 1835
- 'Eriosachila belongs to Aethridae'
- 'Eriosachila bartholomaeensis belongs to Eriosachila' according to Rathbun 1919
- 'Eriosachila cuvillieri belongs to Eriosachila' according to Van Straelen 1929
- 'Eriosachila orri belongs to Eriosachila' according to C. Schweitzer and R. Feldmann 2000
- 'Eriosachila petiti belongs to Eriosachila' according to Blow and Manning 1996
- 'Eriosachila rathbunae belongs to Eriosachila' according to Maury 1930
- 'Eriosachila rossi belongs to Eriosachila' according to C. Schweitzer and R. Feldmann 2000
- 'Eriosachila terryi belongs to Eriosachila' according to Rathbun 1937
- 'Eriphia belongs to Eriphiidae'
- 'Eriphia cocchii belongs to Eriphia' according to Ristori 1886
- 'Eriphia verrucosa belongs to Eriphia' according to Forskal 1775
- 'Eriphiidae belongs to Eriphioidea'
- 'Eriphioidea belongs to Brachyura'
- 'Erroranilia belongs to Notopodinae'
- 'Erroranilia taipeiensis belongs to Erroranilia' according to Hu and Tao 1996
- 'Eryma belongs to Erymidae'
- 'Eryma affinis belongs to Eryma' according to De Ferry 1865
- 'Eryma amalthei belongs to Eryma' according to Quenstedt 1851
- 'Eryma americanum belongs to Eryma' according to Rathbun 1923
- 'Eryma anisodactylum belongs to Eryma' according to Krause 1891
- 'Eryma australe belongs to Eryma' according to Secretan 1964
- 'Eryma babeaui belongs to Eryma' according to Etallon 1861
- 'Eryma bedeltum belongs to Eryma' according to Quenstedt 1857
- 'Eryma boloniensis belongs to Eryma' according to Sauvage 1891
- 'Eryma bordenensis belongs to Eryma' according to Copeland 1960
- 'Eryma burgundiacum belongs to Eryma' according to Cronier and Courville 2004
- 'Eryma caraboeufi belongs to Eryma' according to Moriere 1888
- 'Eryma compressum belongs to Eryma' according to Eudes-Deslongchamps 1842
- 'Eryma corallinum belongs to Eryma' according to Van Straelen 1924
- 'Eryma crassimanum belongs to Eryma' according to Krause 1891
- 'Eryma cretaceum belongs to Eryma' according to Roger 1946
- 'Eryma cumonti belongs to Eryma' according to Van Straelen 1921
- 'Eryma curvum belongs to Eryma' according to Beurlen 1928
- 'Eryma delphinensis belongs to Eryma' according to Moret 1946
- 'Eryma deslongchampsi belongs to Eryma' according to Van Straelen 1924
- 'Eryma dutertrei belongs to Eryma' according to Sauvage 1891
- 'Eryma flectum belongs to Eryma' according to Rathbun 1926
- 'Eryma foersteri belongs to Eryma' according to Feldmann 1979
- 'Eryma fossatum belongs to Eryma' according to Krause 1891
- 'Eryma georgei belongs to Eryma' according to Carter 1886
- 'Eryma gracilimanum belongs to Eryma' according to Lahusen 1894
- 'Eryma granuliferum belongs to Eryma' according to Secretan 1964
- 'Eryma guisei belongs to Eryma' according to Wright 1881
- 'Eryma hoerstgenensis belongs to Eryma' according to Bachmayer and Malzahn 1983
- 'Eryma karitzkyi belongs to Eryma' according to Lahusen 1894
- 'Eryma lafayi belongs to Eryma' according to Lissajous 1923
- 'Eryma lerasi belongs to Eryma' according to Etallon 1861
- 'Eryma leucodermum belongs to Eryma' according to Pusch 1838
- 'Eryma loryi belongs to Eryma' according to Van Straelen 1923
- 'Eryma madagascariensis belongs to Eryma' according to Secretan 1964
- 'Eryma major belongs to Eryma' according to Oppel 1861
- 'Eryma mandelslohi belongs to Eryma' according to Von Meyer 1840
- 'Eryma meyeri belongs to Eryma' according to Garassino 1996
- 'Eryma modesiforme belongs to Eryma' according to Schlotheim 1822
- 'Eryma mosquensis belongs to Eryma' according to Lahusen 1894
- 'Eryma nicklesi belongs to Eryma' according to Mechin 1901
- 'Eryma nippon belongs to Eryma' according to Karasawa et al. 2008
- 'Eryma ornatum belongs to Eryma' according to Quenstedt 1857
- 'Eryma orthodactylum belongs to Eryma' according to Beurlen 1928
- 'Eryma pulchellum belongs to Eryma' according to Carter 1886
- 'Eryma punctatum belongs to Eryma' according to Oppel 1861
- 'Eryma quadriverrucatum belongs to Eryma' according to Trautschold 1866
- 'Eryma quenstedti belongs to Eryma' according to Beurlen 1928
- 'Eryma radiatum belongs to Eryma' according to Oppel 1861
- 'Eryma rinellincolum belongs to Eryma' according to De Gregorio 1884
- 'Eryma romani belongs to Eryma' according to Oppel 1861
- 'Eryma squalidum belongs to Eryma' according to Etallon 1861
- 'Eryma stantoni belongs to Eryma' according to Rathbun 1935
- 'Eryma strambergensis belongs to Eryma' according to Bachmayer 1959
- 'Eryma stricklandi belongs to Eryma' according to Phillips 1871
- 'Eryma sulcatum belongs to Eryma' according to Harbort 1905
- 'Eryma tithonium belongs to Eryma' according to Van Straelen 1936
- 'Eryma tuberculatum belongs to Eryma' according to Van Straelen 1936
- 'Eryma ventrosum belongs to Eryma' according to Von Meyer 1835
- 'Eryma walkerae belongs to Eryma' according to Feldmann and Gaggart 2007
- 'Erymidae belongs to Erymoidea'
- 'Erymoidea belongs to Glypheidea'
- 'Eryon belongs to Eryonidae'
- 'Eryon arctiformis belongs to Eryon' according to Schlotheim 1820
- 'Eryon ellipticus belongs to Eryon' according to Van Straelen 1923
- 'Eryon neocomiensis belongs to Eryon' according to Woodward 1881
- 'Eryon perroni belongs to Eryon' according to Etallon 1859
- 'Eryon sublevis belongs to Eryon' according to Carter 1886
- 'Eryonidae belongs to Eryonoidea'
- 'Eryonoidea belongs to Palinura'
- 'Etallonia belongs to Axiidae'
- 'Etallonia hoellorum belongs to Etallonia' according to Polz 1999
- 'Etallonia longimana belongs to Etallonia' according to Munster 1839
- 'Etallonia raineralberti belongs to Etallonia' according to Schweigert 2010
- 'Etallonia subtilis belongs to Etallonia' according to Krause 1908
- 'Etallonia suprajurensis belongs to Etallonia' according to Quenstedt 1852
- 'Ethusa belongs to Ethusidae'
- 'Ethusa berica belongs to Ethusa' according to De Angeli and Beschin 2008
- 'Ethusa chibai belongs to Ethusa' according to Karasawa 1993
- 'Ethusa evae belongs to Ethusa' according to Muller and Collins 1991
- 'Ethusa mascarone belongs to Ethusa' according to Herbst 1785
- 'Ethusa octospinosa belongs to Ethusa' according to Muller 2006
- 'Ethusa popognensis belongs to Ethusa' according to De Angeli 2009
- 'Ethusidae belongs to Dorippoidea'
- 'Etisinae belongs to Xanthidae'
- 'Etisus belongs to Etisinae'
- 'Etisus ardinoi belongs to Etisus' according to Beschin et al. 2007
- 'Etisus dentatus belongs to Etisus' according to Herbst 1785
- 'Etisus javanicus belongs to Etisus' according to Van Straelen 1938
- 'Etisus laevimanus belongs to Etisus' according to Randall 1839
- 'Etisus pleistocenicus belongs to Etisus' according to Hu and Tao 2000
- 'Etisus splendidus belongs to Etisus' according to Rathbun 1906
- 'Etyidae belongs to Etyoidea'
- 'Etyus belongs to Etyidae'
- 'Etyus martini belongs to Etyus' according to Mantell 1844
- 'Etyxanthosia belongs to Etyidae'
- 'Etyxanthosia aspera belongs to Etyxanthosia' according to Rathbun 1935
- 'Etyxanthosia fossa belongs to Etyxanthosia' according to Wright and Collins 1972
- 'Etyxanthosia pawpawensis belongs to Etyxanthosia' according to C. Schweitzer et al. 1999
- 'Etyxanthosia reidi belongs to Etyxanthosia' according to C. Schweitzer et al. 1999
- 'Eucalliax belongs to Callianassidae'
- 'Eucalliax miyazakiensis belongs to Eucalliax' according to Karasawa 1993
- 'Eucalliax vicetina belongs to Eucalliax' according to Beschin et al. 2002
- 'Eucalliax yatsueoensis belongs to Eucalliax' according to Karasawa 1993
- 'Eucalliax yoshiroi belongs to Eucalliax' according to Karasawa 1992
- 'Euclosia belongs to Leucosiinae'
- 'Euclosia obtusifrons belongs to Euclosia' according to De Haan 1841
- 'Euclosia unidentata belongs to Euclosia' according to De Haan 1841
- 'Eucorystes broderipi belongs to Eucorystes' according to Mantell 1844
- 'Eucorystes eichhorni belongs to Eucorystes' according to Bishop 1983
- 'Eucorystes harveyi belongs to Eucorystes' according to Woodward 1896
- 'Eucorystes intermedius belongs to Eucorystes' according to Nagao 1931
- 'Eucorystes mangyshlakensis belongs to Eucorystes' according to Ilyin and Pistshikova 2005
- 'Eucorystes oxtedensis belongs to Eucorystes' according to Wright and Collins 1972
- 'Eucrate belongs to Euryplacidae'
- 'Eucrate crenata belongs to Eucrate' according to De Haan 1835
- 'Eucrate martini belongs to Eucrate' according to Rathbun 1926
- 'Eucrate puliensis belongs to Eucrate' according to Hu and Tao 1996
- 'Eucratopsinae belongs to Panopeidae'
- 'Eugonatonotidae belongs to Nematocarcinoidea'
- 'Eumedoninae belongs to Pilumnidae'
- 'Eumorphactaea belongs to Pilumninae'
- 'Eumorphactaea latifrons belongs to Eumorphactaea' according to A. Milne-Edwards 1880
- 'Eumorphactaea scissifrons belongs to Eumorphactaea' according to Bittner 1875
- 'Eumorphocorystes belongs to Notopodinae'
- 'Eumorphocorystes leucosiae is recombined as Macroacaena leucosiae' according to Rathbun 1932
- 'Eumorphocorystes leucosiae is recombined as Macroacaena leucosiae'
- 'Eumorphocorystes muelleri belongs to Eumorphocorystes' according to Van Binkhorst 1857
- 'Eumorphocorystes schencki is recombined as Macroacaena schencki'
- 'Eumorphocorystes sculptus belongs to Eumorphocorystes' according to Van Binkhost 1857
- 'Eumorphocorystes toehoepae belongs to Eumorphocorystes' according to Van Straelen 1924
- 'Eumorphocorystes vahldieki belongs to Eumorphocorystes' according to Forster and Mundlos 1982
- 'Eumunida belongs to Chirostylidae'
- 'Eumunida pentacantha belongs to Eumunida' according to Muller and Collins 1991
- 'Euphylax belongs to Podophthalminae'
- 'Euphylax callinecias belongs to Euphylax' according to Rathbun 1918
- 'Euphylax fortis belongs to Euphylax' according to Rathbun 1918
- 'Euphylax fortispinosus belongs to Euphylax' according to Collins 2001
- 'Euphylax maculatus belongs to Euphylax' according to Collins 2005
- 'Euphylax septendentatus belongs to Euphylax' according to Beurlen 1958
- 'Euprognatha belongs to Inachoididae'
- 'Euprognatha ricei belongs to Euprognatha' according to Blow 2003
- 'Eurohexapus belongs to Hexapodidae'
- 'Eurohexapus lobatus belongs to Eurohexapus' according to De Angeli et al. 2010
- 'Eurolambrus belongs to Parthenopinae'
- 'Eurolambrus mainensis belongs to Eurolambrus' according to De Angeli and Beschin 2010
- 'Euronectes belongs to Atoportuninae'
- 'Euronectes grumiensis belongs to Euronectes' according to Beschin et al. 2001
- 'Euronectes vocans belongs to Euronectes' according to Muller 1993
- 'Eurycarpus belongs to Grapsoidea'
- 'Eurycarpus nanodactylus belongs to Eurycarpus' according to Schluter 1868
- 'Eurynolambrinae belongs to Majidae'
- 'Euryozius belongs to Pseudoziidae'
- 'Euryozius angustus belongs to Euryozius' according to Karasawa 1993
- 'Euryozius bidentatus belongs to Euryozius' according to Karasawa 1993
- 'Eurypanopeus belongs to Panopeinae'
- 'Eurypanopeus depressus belongs to Eurypanopeus' according to Smith 1869
- 'Euryplacidae belongs to Goneplacoidea'
- 'Euryplax belongs to Euryplacidae'
- 'Euryplax culebrensis belongs to Euryplax' according to Rathbun 1918
- 'Eurytium belongs to Panopeinae'
- 'Eurytium crenulatum belongs to Eurytium' according to Rathbun 1918
- 'Eurytium limosum belongs to Eurytium' according to Say 1818
- 'Euxanthinae belongs to Xanthidae'
- 'Euxanthus belongs to Euxanthinae'
- 'Euxanthus multipunctulatus belongs to Euxanthus' according to Hu and Tao 1996
- 'Falconoplax belongs to Chasmocarcininae'
- 'Falconoplax bicarinella belongs to Falconoplax' according to Collins and Morris 1976
- 'Falconoplax kugleri belongs to Falconoplax' according to Van Straelen 1933
- 'Falsiportunites belongs to Macropipidae'
- 'Falsiportunites longispinosus belongs to Falsiportunites' according to Collins and Jakobssen 2003
- 'Faxegalathea belongs to Galatheidae'
- 'Faxegalathea platyspinosa belongs to Faxegalathea' according to Jakobsen and Collins 2007
- 'Feldmannia belongs to Etyidae'
- 'Feldmannia jacksoni belongs to Feldmannia' according to Wright and Collins 1972
- 'Ferricorda belongs to Sphaerodromiidae'
- 'Ferricorda kimberleyae belongs to Ferricorda' according to Bishop 1987
- 'Forestia belongs to Actaeinae'
- 'Forestia tagauua belongs to Forestia' according to Hu and Tao 1996
- 'Fredericia barsoei belongs to Fredericia' according to Collins and Jakobsen 2003
- 'Gaeticinae belongs to Varunidae'
- 'Gaillardiellus belongs to Actaeinae'
- 'Gaillardiellus orientalis belongs to Gaillardiellus' according to Odhner 1925
- 'Galathea belongs to Galatheidae'
- 'Galathea affinis belongs to Galathea' according to Ristori 1886
- 'Galathea antiqua belongs to Galathea' according to Risso 1815
- 'Galathea berica belongs to Galathea' according to De Angeli and Garassino 2002
- 'Galathea dispersa belongs to Galathea' according to Bate 1859
- 'Galathea keijii belongs to Galathea' according to Karasawa 1993
- 'Galathea lupiae belongs to Galathea' according to Robineau-Desvoidy 1849
- 'Galathea sahariana belongs to Galathea' according to Garassino et al. 2008
- 'Galathea spitzbergica belongs to Galathea' according to Gripp 1927
- 'Galathea squamifera belongs to Galathea' according to Leach 1815
- 'Galathea strigifera belongs to Galathea' according to Fischer-Benzon 1866
- 'Galathea valmaranensis belongs to Galathea' according to De Angeli and Garassino 2002
- 'Galathea weinfurteri belongs to Galathea' according to Bachmayer 1950
- 'Galatheacarididea is corrected as Galatheacaridoidea and belongs to Caridea'
- 'Galatheidae belongs to Galatheoidea'
- 'Galatheoidea belongs to Anomura'
- 'Galene belongs to Galeninae'
- 'Galene bispinosa belongs to Galene' according to Herbst 1804
- 'Galene granulifera belongs to Galene' according to Lin 1947
- 'Galene obscura belongs to Galene' according to A. Milne-Edwards 1865
- 'Galene stipata belongs to Galene' according to Morris and Collins 1991
- 'Galenidae belongs to Pilumnoidea'
- 'Galeninae belongs to Galenidae'
- 'Galenopsis belongs to Pilumninae'
- 'Galenopsis americana belongs to Galenopsis' according to Rathbun 1935
- 'Galenopsis crassifrons belongs to Galenopsis' according to A. Milne-Edwards 1865
- 'Galenopsis depressa belongs to Galenopsis' according to A. Milne-Edwards 1872
- 'Galenopsis fulangaensis belongs to Galenopsis' according to Rathbun 1945
- 'Galenopsis gervilliana belongs to Galenopsis' according to A. Milne-Edwards 1865
- 'Galenopsis murchisoni belongs to Galenopsis' according to A. Milne-Edwards 1865
- 'Galenopsis pustulosa belongs to Galenopsis' according to A. Milne-Edwards 1865
- 'Galenopsis ristorii belongs to Galenopsis' according to Checchia-Rispoli 1907
- 'Galenopsis schopeni belongs to Galenopsis' according to Checchia-Rispoli 1905
- 'Galenopsis similis belongs to Galenopsis' according to Bittner 1875
- 'Galenopsis typica belongs to Galenopsis' according to A. Milne-Edwards 1865
- 'Galenopsis wulfi belongs to Galenopsis' according to Forster and Mundlos 1982
- 'Galicia belongs to Erymoidea'
- 'Galicia marianae belongs to Galicia' according to Garassino and Krobicki 2002
- 'Galicia veltheimi belongs to Galicia' according to Munster 1839
- 'Galicia westphali belongs to Galicia' according to Schweigert et al. 2000
- 'Gampsurus belongs to Decapoda'
- 'Gampsurus dubius belongs to Gampsurus' according to Von der Marck 1863
- 'Garthiope belongs to Xanthinae'
- 'Garthiope spinipes belongs to Garthiope' according to A. Milne-Edwards 1880
- 'Gastrodoridae belongs to Gastrodoroidea'
- 'Gastrodoroidea belongs to Anomura'
- 'Gastrodorus belongs to Gastrodoridae'
- 'Gastrodorus cretahispanicus belongs to Gastrodorus' according to Klompmaker 2010
- 'Gastrosacus belongs to Galatheidae'
- 'Gastrosacus carteri belongs to Gastrosacus' according to Van Straelen 1924
- 'Gastrosacus eminens belongs to Gastrosacus' according to Blaschke 1911
- 'Gastrosacus eutecta belongs to Gastrosacus' according to Moericke 1889
- 'Gastrosacus meyeri belongs to Gastrosacus' according to Moericke 1889
- 'Gastrosacus robineaui belongs to Gastrosacus' according to Tribolet 1874
- 'Gastrosacus royoi belongs to Gastrosacus' according to Van Straelen 1927
- 'Gastrosacus straeleni belongs to Gastrosacus' according to Ruiz de Gaona 1943
- 'Gastrosacus tuberosa belongs to Gastrosacus' according to Remes 1895
- 'Gastrosacus tuberosiformis belongs to Gastrosacus' according to Lorenthey 1929
- 'Gastrosacus wetzleri belongs to Gastrosacus' according to Von Meyer 1851
- 'Gastrosacus zitteli belongs to Gastrosacus' according to Moericke 1889
- 'Gebiidea belongs to Decapoda'
- 'Gecarcinidae belongs to Grapsoidea'
- 'Gecarcinucidae belongs to Gecarcinucoidea'
- 'Gecarcinucoidea belongs to Brachyura'
- 'Gecchelicarcinus belongs to Pilumninae'
- 'Gecchelicarcinus lorigae belongs to Gecchelicarcinus' according to Beschin et al. 2007
- 'Gemmacarcinus belongs to Leucosiidae'
- 'Gemmacarcinus fossatus belongs to Gemmacarcinus' according to Muller and Collins 1991
- 'Gemmacarcinus planus belongs to Gemmacarcinus' according to Muller 1993
- 'Gemmellarocarcinus belongs to Dromioidea'
- 'Gemmellarocarcinus loerenthey belongs to Gemmellarocarcinus' according to Checchia-Rispoli 1905
- 'Geothelphusa belongs to Potamiscinae'
- 'Geothelphusa dehaani belongs to Geothelphusa' according to White 1847
- 'Geothelphusa tenuimanus belongs to Geothelphusa' according to Miyake and Minei 1965
- 'Gillcarcinus belongs to Chasmocarcininae'
- 'Gillcarcinus amphora belongs to Gillcarcinus' according to Collins and Morris 1978
- 'Glabropilumnus belongs to Pilumninae'
- 'Glabropilumnus fossatus belongs to Glabropilumnus' according to Muller 1996
- 'Glabropilumnus granulatus belongs to Glabropilumnus' according to De Angeli et al. 2010
- 'Glabropilumnus kamiyai belongs to Glabropilumnus' according to Karasawa 1991
- 'Glabropilumnus laevis belongs to Glabropilumnus' according to Dana 1852
- 'Glabropilumnus soghensis belongs to Glabropilumnus' according to De Angeli and Beschin 2008
- 'Glaessnerella belongs to Longodromitidae'
- 'Glaessnerella angusta belongs to Glaessnerella' according to Wright and Collins 1972
- 'Glaessnerella balli belongs to Glaessnerella' according to Wright and Collins 1972
- 'Glaessnerella decipiens belongs to Glaessnerella' according to Wright and Collins 1972
- 'Glaessnerella depressa belongs to Glaessnerella' according to Carter 1898
- 'Glaessnerella kennedyi belongs to Glaessnerella' according to Wright and Collins 1972
- 'Glaessnerella latteri belongs to Glaessnerella' according to Wright and Collins 1972
- 'Glaessnerella nodulosa belongs to Glaessnerella' according to Wright and Collins 1972
- 'Glaessnerella primitivus belongs to Glaessnerella' according to Fraaye and Collins 1996
- 'Glaessnerella spinosa belongs to Glaessnerella' according to Van Straelen 1936
- 'Glaessnericaris belongs to Platychelidae'
- 'Glaessnericaris dubia belongs to Glaessnericaris' according to Pinna 1974
- 'Glaessnericaris macrochela belongs to Glaessnericaris' according to Garassino and Teruzzi 1993
- 'Glaessneropsis bucegiana belongs to Glaessneropsis' according to Patrulius 1959
- 'Glebocarcinus belongs to Cancrinae'
- 'Glebocarcinus amphioetus belongs to Glebocarcinus' according to Rathbun 1898
- 'Glebocarcinus helveticus belongs to Glebocarcinus' according to Fraaije et al. 2010
- 'Globihexapus belongs to Asthenognathinae'
- 'Globihexapus kosekii belongs to Globihexapus' according to Kato 2005
- 'Globihexapus paxillus belongs to Globihexapus' according to C. Schweitzer and R. Feldmann 2001
- 'Glyphea belongs to Glypheidae'
- 'Glyphea alexandri belongs to Glyphea' according to Taylor 1979
- 'Glyphea ambigua belongs to Glyphea' according to Von Fritsch 1870
- 'Glyphea arborinsularis belongs to Glyphea' according to Etheridge 1917
- 'Glyphea australensis belongs to Glyphea' according to Feldmann et al. 1993
- 'Glyphea bathonica belongs to Glyphea' according to De Ferry 1865
- 'Glyphea bicarinata belongs to Glyphea' according to Van Straelen 1924
- 'Glyphea bohemica belongs to Glyphea' according to Fritsch and Kafka 1887
- 'Glyphea calloviensis belongs to Glyphea' according to H. Woods 1927
- 'Glyphea carinata belongs to Glyphea' according to Tribolet 1874
- 'Glyphea carolinensis belongs to Glyphea' according to Rathbun 1935
- 'Glyphea christeyi belongs to Glyphea' according to Feldmann and Maxwell 1999
- 'Glyphea couloni belongs to Glyphea' according to Tribolet 1874
- 'Glyphea crassa belongs to Glyphea' according to Oppel 1861
- 'Glyphea cretacea belongs to Glyphea' according to McCoy 1854
- 'Glyphea damesi belongs to Glyphea' according to Garassino 2001
- 'Glyphea eureka belongs to Glyphea' according to Damborenea and Mancenido 1987
- 'Glyphea ferruginea belongs to Glyphea' according to Blake and Judleston 1877
- 'Glyphea foresti belongs to Glyphea' according to Feldmann and Saint Laurent 2002
- 'Glyphea garasbaaensis belongs to Glyphea' according to Garassino et al. 2008
- 'Glyphea georgianus belongs to Glyphea' according to Taylor 1979
- 'Glyphea gussmanni belongs to Glyphea' according to Schutze 1907
- 'Glyphea hennigi belongs to Glyphea' according to Beurlen 1933
- 'Glyphea jeletzkyi belongs to Glyphea' according to Feldmann and McPherson 1980
- 'Glyphea jurensis belongs to Glyphea' according to Oppel 1861
- 'Glyphea liasina belongs to Glyphea' according to Von Meyer 1840
- 'Glyphea lyrica belongs to Glyphea' according to Blake 1876
- 'Glyphea magnevillii belongs to Glyphea' according to Eudes-Deslongchamps 1835
- 'Glyphea mazetieri belongs to Glyphea' according to Hee 1924
- 'Glyphea meyeri belongs to Glyphea' according to Roemer 1836
- 'Glyphea micheleae belongs to Glyphea' according to Schweitzer and Feldmann 2001
- 'Glyphea munsteri belongs to Glyphea' according to Voltz 1835
- 'Glyphea neocomiensis belongs to Glyphea' according to Robineau-Desvoidy 1849
- 'Glyphea oculata belongs to Glyphea' according to J. Woods 1957
- 'Glyphea prestwichi belongs to Glyphea' according to H. Woods 1929
- 'Glyphea pseudoscylarus belongs to Glyphea' according to Schlotheim 1822
- 'Glyphea regleyana belongs to Glyphea' according to Desmarest 1822
- 'Glyphea reticulata belongs to Glyphea' according to Feldmann and Gazdzicki 1997
- 'Glyphea riazi belongs to Glyphea' according to Van Straelen 1924
- 'Glyphea rigoi belongs to Glyphea' according to Garassino 2000
- 'Glyphea robusta belongs to Glyphea' according to Feldmann and McPherson 1980
- 'Glyphea rosenkrantzi belongs to Glyphea' according to Van Straelen 1929
- 'Glyphea serratosai belongs to Glyphea' according to Dupuy-Revilla 1956
- 'Glyphea solitaria belongs to Glyphea' according to Oppel 1861
- 'Glyphea spinulosa belongs to Glyphea' according to Van Straelen 1924
- 'Glyphea stilwelli belongs to Glyphea' according to Feldmann 1993
- 'Glyphea tantalus belongs to Glyphea' according to Wohrmann 1892
- 'Glyphea tonelloi belongs to Glyphea' according to Garassino 1997
- 'Glyphea tricarinata belongs to Glyphea' according to Garassino 1996
- 'Glyphea vectensis belongs to Glyphea' according to H. Woods 1927
- 'Glyphea viohli belongs to Glyphea' according to Polz 2000
- 'Glyphea willetti belongs to Glyphea' according to Woodward 1878
- 'Glyphea yoshiakii belongs to Glyphea' according to Kato and Karasawa 2006
- 'Glypheidea belongs to Decapoda'
- 'Glypheoidea belongs to Glypheidea'
- 'Glypheopsis is a subjective synonym of Trachysoma'
- 'Glypheopsis sanctaecrucis is recombined as Trachysoma sanctaecrucis'
- 'Glypheopsis sanctaecrucis is recombined as Trachysoma sanctaecrucis' according to Collins 1969
- 'Glyphithyreus belongs to Eucratopsinae'
- 'Glyphithyreus ellipticus belongs to Glyphithyreus' according to Bittner 1875
- 'Glyphithyreus formosus belongs to Glyphithyreus' according to Reuss 1859
- 'Glyphithyreus sulcatus belongs to Glyphithyreus' according to Berulen 1939
- 'Glyphithyreus wetherelli belongs to Glyphithyreus' according to Bell 1858
- 'Glyphocrangonidae belongs to Crangonoidea'
- 'Glyptodynomene belongs to Grapsoidea'
- 'Glyptodynomene alsasuensis belongs to Glyptodynomene' according to Van Straelen 1944
- 'Glyptodynomene inornata belongs to Glyptodynomene' according to Collins 1995
- 'Glyptograpsidae belongs to Grapsoidea'
- 'Glyptoxanthus belongs to Euxanthinae'
- 'Glyptoxanthus primitivus belongs to Glyptoxanthus' according to Muller 1993
- 'Glypturus belongs to Callianassidae'
- 'Gnathophyllidae belongs to Palaemonoidea'
- 'Gollincarcinus belongs to Litocheiridae'
- 'Gollincarcinus levis belongs to Gollincarcinus' according to Beschin and De Angeli 2004
- 'Gomezinus belongs to Corystidae'
- 'Gomezinus tuberculatus belongs to Gomezinus' according to Collins et al. 2003
- 'Goneplacidae belongs to Goneplacoidea'
- 'Goneplacoidea belongs to Brachyura'
- 'Goniochele angulata belongs to Goniochele' according to Bell 1858
- 'Goniochele armata belongs to Goniochele' according to Rathbun 1918
- 'Goniochele madseni belongs to Goniochele' according to Collins and Jakobsen 2003
- 'Goniochirus belongs to Paguridae'
- 'Goniochirus antoinei belongs to Goniochirus' according to Van Straelen 1924
- 'Goniochirus babeaui belongs to Goniochirus' according to Etallon 1861
- 'Goniochirus cristatus belongs to Goniochirus' according to Carter 1861
- 'Goniochirus jaccardi belongs to Goniochirus' according to Etallon 1861
- 'Goniochirus laevis belongs to Goniochirus' according to Van Straelen 1924
- 'Goniochirus obliquus belongs to Goniochirus' according to Van Straelen 1924
- 'Goniochirus platycheles belongs to Goniochirus' according to McCoy 1849
- 'Goniocypoda belongs to Hexapodidae'
- 'Goniocypoda collinsi belongs to Goniocypoda' according to Crane and Quayle 1986
- 'Goniocypoda edwardsi belongs to Goniocypoda' according to Woodward 1867
- 'Goniocypoda elmorensis belongs to Goniocypoda' according to Crane and Quayle 1986
- 'Goniocypoda quaylei belongs to Goniocypoda' according to Crane 1981
- 'Goniocypoda rajasthanica belongs to Goniocypoda' according to Glaessner and Rao 1960
- 'Goniocypoda sindensis belongs to Goniocypoda' according to Glaessner 1933
- 'Goniocypoda sulcata belongs to Goniocypoda' according to Carter 1898
- 'Goniocypoda tessieri belongs to Goniocypoda' according to Remy and Tessier 1954
- 'Goniocypoda transsilvanica belongs to Goniocypoda' according to Bittner 1893
- 'Goniocypoda verheyeni belongs to Goniocypoda' according to Fraaije et al. 2007
- 'Goniodromites belongs to Goniodromitidae'
- 'Goniodromites complanatus belongs to Goniodromites' according to Reuss 1858
- 'Goniodromites dacica belongs to Goniodromites' according to Von Mucke 1915
- 'Goniodromites hirotai belongs to Goniodromites' according to Karasawa and Kato 2007
- 'Goniodromites narinosus belongs to Goniodromites' according to Frantescu 2010
- 'Goniodromites sakawense belongs to Goniodromites' according to Karasawa and Kato 2007
- 'Goniodromites transsylvanicus belongs to Goniodromites' according to Lorenthey 1929
- 'Goniodromitidae belongs to Homolodromioidea'
- 'Gonoplax belongs to Goneplacidae'
- 'Gonoplax arenicola belongs to Gonoplax' according to Glaessner 1960
- 'Gonoplax carnuntinus belongs to Gonoplax' according to Bachmayer 1953
- 'Gonoplax formosa belongs to Gonoplax' according to Ristori 1886
- 'Gonoplax rhomboides belongs to Gonoplax' according to Linnaeus 1758
- 'Gonoplax saccoi belongs to Gonoplax' according to Crema 1895
- 'Gourretia belongs to Gourretiidae'
- 'Gourretia aquilae belongs to Gourretia' according to Rathbun 1935
- 'Gourretiidae belongs to Callianassoidea'
- 'Grapsidae belongs to Grapsoidea'
- 'Grapsoidea belongs to Brachyura'
- 'Graptocarcinus belongs to Dynomenidae'
- 'Graptocarcinus bellonii belongs to Graptocarcinus' according to Collins and Dieni 1995
- 'Graptocarcinus maastrichtensis belongs to Graptocarcinus' according to Fraaye 1996
- 'Graptocarcinus muiri belongs to Graptocarcinus' according to Stenzel 1944
- 'Graptocarcinus texanus belongs to Graptocarcinus' according to Roemer 1887
- 'Guinotosia belongs to Etyidae'
- 'Guinotosia tertiaria belongs to Guinotosia' according to Beschin et al. 2007
- 'Gwana belongs to Xanthoidea'
- 'Gwana minuta belongs to Gwana' according to Hu and Tao 1996
- 'Hakelocaris belongs to Penaeoidea'
- 'Hakelocaris vavassorii belongs to Hakelocaris' according to Garassino 1994
- 'Halimede belongs to Halimedinae'
- 'Halimede fragifer belongs to Halimede' according to De Haan 1835
- 'Halimede octhodes belongs to Halimede' according to Herbst 1793
- 'Halimedinae belongs to Galenidae'
- 'Harenacorystes belongs to Corystidae'
- 'Harenacorystes johnjansseni belongs to Harenacorystes' according to Van Bakel 2009
- 'Harpactocarcinus almerae belongs to Harpactocarcinus' according to Via 1941
- 'Harpactocarcinus istriensis belongs to Harpactocarcinus' according to Bachmayer and Nosan 1959
- 'Harpactocarcinus jacquoti belongs to Harpactocarcinus' according to A. Milne-Edwards 1865
- 'Harpactocarcinus macrodactylus belongs to Harpactocarcinus' according to H. Milne-Edwards 1850
- 'Harpactocarcinus multidentatus belongs to Harpactocarcinus' according to Stubblefield 1946
- 'Harpactocarcinus ovalis belongs to Harpactocarcinus' according to A. Milne-Edwards 1862
- 'Harpactocarcinus punctulatus belongs to Harpactocarcinus' according to A. Milne-Edwards 1862
- 'Harpactocarcinus rotundatus belongs to Harpactocarcinus' according to A. Milne-Edwards 1862
- 'Harpactocarcinus wilkeningi belongs to Harpactocarcinus' according to Bachmayer and Mundlos 1968
- 'Harpactoxanthopsis bittneri belongs to Harpactoxanthopsis' according to Lorenthey 1898
- 'Harpactoxanthopsis lutugini belongs to Harpactoxanthopsis' according to Likharev 1917
- 'Harpactoxanthopsis quadrilobatus belongs to Harpactoxanthopsis' according to Desmarest 1822
- 'Harpactoxanthopsis souverbei belongs to Harpactoxanthopsis' according to A. Milne-Edwards 1862
- 'Harpactoxanthopsis villaltae belongs to Harpactoxanthopsis' according to Via 1959
- 'Harthofia belongs to Alvinocarididae'
- 'Harthofia bergeri belongs to Harthofia' according to Polz 2007
- 'Harthofia blumenbergi belongs to Harthofia' according to Polz 2007
- 'Hasaracancer belongs to Coleiidae'
- 'Hasaracancer cristatus belongs to Hasaracancer' according to Jux 1971
- 'Haumuriaegla belongs to Aeglidae'
- 'Haydnella belongs to Xanthidae'
- 'Haydnella maladensis belongs to Haydnella' according to Beschin et al. 2007
- 'Haydnella oligocenica belongs to Haydnella' according to De Angeli and Beschin 2008
- 'Haydnella pulchellus belongs to Haydnella' according to A. Milne-Edwards 1864
- 'Haydnella steiningeri belongs to Haydnella' according to Muller 1984
- 'Hebertides belongs to Corystidae'
- 'Hebertides jurassica belongs to Hebertides' according to Guinot et al. 2007
- 'Heeia belongs to Priscinachidae'
- 'Heeia villersensis belongs to Heeia' according to Hee 1924
- 'Hefriga proboscideawulfi belongs to Hefriga' according to Schweigert and Garassino 2004
- 'Hefriga serrata belongs to Hefriga' according to Munster 1839
- 'Heikeopsis belongs to Dorippidae'
- 'Heikeopsis tuberculata belongs to Heikeopsis' according to Morris and Collins 1991
- 'Hellerocaris belongs to Coleiidae'
- 'Hellerocaris falloti belongs to Hellerocaris' according to Van Straelen 1923
- 'Heloeciidae belongs to Ocypodoidea'
- 'Hemigrapsus belongs to Varuninae'
- 'Hemigrapsus nudus belongs to Hemigrapsus' according to Dana 1851
- 'Hemigrapsus oregonensis belongs to Hemigrapsus' according to Dana 1851
- 'Hemioon belongs to Lyreidinae'
- 'Hemioon circumviator belongs to Hemioon' according to Wright and Collins 1972
- 'Hemioon cunningtoni belongs to Hemioon' according to Bell 1863
- 'Hemioon eysunesensis belongs to Hemioon' according to Collins and Rasmussen 1992
- 'Hemioon novozelandicum belongs to Hemioon' according to Glaessenr 1980
- 'Hemioon yanini belongs to Hemioon' according to Ilyin and Alekseev 1998
- 'Hemsut belongs to Matutidae'
- 'Hemsut schweinfurthi belongs to Hemsut' according to Noetling 1885
- 'Hepatella belongs to Aethridae'
- 'Hepatella amazonica belongs to Hepatella' according to Beurlen 1958
- 'Hepatinulus belongs to Leucosiidae'
- 'Hepatinulus lovisatoi belongs to Hepatinulus' according to Lorenthey 1909
- 'Hepatinulus seguenzai belongs to Hepatinulus' according to Ristori 1886
- 'Hepatiscus belongs to Aethridae'
- 'Hepatiscus distefanoi belongs to Hepatiscus' according to Checchia-Rispoli 1905
- 'Hepatiscus laevis belongs to Hepatiscus' according to Lorenthey 1929
- 'Hepatiscus minimus belongs to Hepatiscus' according to Beschin 1994
- 'Hepatiscus neumayri belongs to Hepatiscus' according to Bittner 1875
- 'Hepatiscus poverelli belongs to Hepatiscus' according to Via 1959
- 'Hepatiscus pulchellus belongs to Hepatiscus' according to Bittner 1875
- 'Hepatiscus schweinfurthi belongs to Hepatiscus' according to Noetling 1885
- 'Hepatiscus sheranii belongs to Hepatiscus' according to Collins and Morris 1978
- 'Hepatiscus subpulchellus belongs to Hepatiscus' according to Bohm 1922
- 'Hepatus belongs to Aethridae'
- 'Hepatus bottomsi belongs to Hepatus' according to Blow 2003
- 'Hepatus chiliensis belongs to Hepatus' according to H. Milne-Edwards 1837
- 'Hepatus guraboensis belongs to Hepatus' according to Collins 2009
- 'Hepatus lineatus belongs to Hepatus' according to Rathbun 1898
- 'Hepatus nodosus belongs to Hepatus' according to Collins and Morris 1976
- 'Hepatus praecox belongs to Hepatus' according to Collins et al. 1996
- 'Herbstia belongs to Pisinae'
- 'Herbstia exserta belongs to Herbstia' according to Collins and Morris 1976
- 'Herbstia melitense belongs to Herbstia' according to Gatt and De Angeli 2010
- 'Heteractaea belongs to Actaeinae'
- 'Heteractaea lunata belongs to Heteractaea' according to A. Milne-Edwards and Lucas 1843
- 'Heteronucia belongs to Ebaliinae'
- 'Heteronucia perlata belongs to Heteronucia' according to Sakai 1963
- 'Heteropanope belongs to Pilumninae'
- 'Heteropanope wylliei belongs to Heteropanope' according to Glaessner 1933
- 'Heus belongs to Palaeocorystidae'
- 'Heus foersteri belongs to Heus' according to Bishop and Williams 2000
- 'Hexapanopeus belongs to Panopeinae'
- 'Hexapanopeus caribbaeus belongs to Hexapanopeus' according to Stimpson 1871
- 'Hexapodidae belongs to Goneplacoidea'
- 'Hexapus belongs to Hexapodidae'
- 'Hexapus anfractus belongs to Hexapus' according to Rathbun 1909
- 'Hexapus decapoda belongs to Hexapus' according to Morris and Collins 1991
- 'Hexapus granuliformis belongs to Hexapus' according to Karasawa and Kato 2008
- 'Hexapus nakajimai belongs to Hexapus' according to Imaizumi 1959
- 'Hexapus pinfoldi belongs to Hexapus' according to Collins and Morris 1978
- 'Hillius belongs to Cyclodorippinae'
- 'Hillius youngi belongs to Hillius' according to Bishop 1983
- 'Hippidae belongs to Hippoidea'
- 'Hippoidea belongs to Anomura'
- 'Hippolytidae belongs to Alpheoidea'
- 'Holcocarcinus sulcatus belongs to Holcocarcinus' according to Withers 1924
- 'Holthuisea belongs to Hexapodidae'
- 'Holthuisea cesarii belongs to Holthuisea' according to Beschin 1994
- 'Homarus belongs to Nephropidae'
- 'Homarus americanus belongs to Homarus' according to H. Milne Edwards 1837
- 'Homarus brittonestris belongs to Homarus' according to Stenzel 1945
- 'Homarus davisi belongs to Homarus' according to Stenzel 1945
- 'Homarus hakelensis belongs to Homarus' according to Fraas 1878
- 'Homarus lehmanni belongs to Homarus' according to Haas 1889
- 'Homarus mickelsoni belongs to Homarus' according to Bishop 1985
- 'Homarus morrisi belongs to Homarus' according to Quayle 1987
- 'Homarus neptunianus belongs to Homarus' according to Polkowsky 2004
- 'Homarus travisensis belongs to Homarus' according to Stenzel 1945
- 'Homarus vulgaris belongs to Homarus' according to H. Milne Edwards 1837
- 'Homelys belongs to Decapoda'
- 'Homelys minor belongs to Homelys' according to Von Meyer 1862
- 'Homola vancouverensis belongs to Homola' according to C. Schweitzer 2001
- 'Homola vanzoi belongs to Homola' according to Beschin et al. 2009
- 'Homoliformis belongs to Mathildellidae'
- 'Homoliformis vagus belongs to Homoliformis' according to Collins et al. 2005
- 'Homolodromiidae belongs to Homolodromioidea'
- 'Homolodromioidea belongs to Dromiacea'
- 'Homolopsis chilensis belongs to Homolopsis' according to Forster and Stinnesbeck 1987
- 'Homolopsis depressa belongs to Homolopsis' according to Carter 1898
- 'Homolopsis gibbosa belongs to Homolopsis' according to Schluter 1879
- 'Homolopsis glabra belongs to Homolopsis' according to Wright and Collins 1972
- 'Homolopsis hachiyai belongs to Homolopsis' according to Takeda and Fujiyama 1983
- 'Homolopsis spinosa belongs to Homolopsis' according to Van Straelen 1936
- 'Homolopsis spinulosa belongs to Homolopsis' according to Glaessner 1980
- 'Homolopsis tuberculata belongs to Homolopsis' according to Van Straelen 1936
- 'Homolopsis williamsi belongs to Homolopsis' according to Bishop 1922
- 'Homolus belongs to Homolodromiidae'
- 'Homolus auduini belongs to Homolus' according to Eudes-Deslongschamps 1835
- 'Hoplitocarcinus belongs to Homolidae'
- 'Hoplitocarcinus johannesboehmi belongs to Hoplitocarcinus' according to Beurlen 1928
- 'Hoploparia belongs to Nephropidae'
- 'Hoploparia albertaensis belongs to Hoploparia' according to Tshudy 2005
- 'Hoploparia alpinus belongs to Hoploparia' according to Van Straelen 1936
- 'Hoploparia anomala belongs to Hoploparia' according to Rathbun 1935
- 'Hoploparia antarctica belongs to Hoploparia' according to Wilckens 1907
- 'Hoploparia aspera belongs to Hoploparia' according to Harbort 1905
- 'Hoploparia bearpawensis belongs to Hoploparia' according to Feldmann et al. 1977
- 'Hoploparia belli belongs to Hoploparia' according to McCoy 1849
- 'Hoploparia benedeni belongs to Hoploparia' according to Pelseneer 1886
- 'Hoploparia bennetti belongs to Hoploparia' according to Woodward 1900
- 'Hoploparia biserialis belongs to Hoploparia' according to Fritsch and Kafka 1887
- 'Hoploparia blossomana belongs to Hoploparia' according to Rathbun 1935
- 'Hoploparia buntingi belongs to Hoploparia' according to Feldmann and Holland 1971
- 'Hoploparia calcarifera belongs to Hoploparia' according to Schluter 1879
- 'Hoploparia catalunica belongs to Hoploparia' according to Garassino et al. 2009
- 'Hoploparia collignoni belongs to Hoploparia' according to Van Straelen 1949
- 'Hoploparia columbiana belongs to Hoploparia' according to Beurlen 1938
- 'Hoploparia corneti belongs to Hoploparia' according to Van Straelen 1921
- 'Hoploparia dentata belongs to Hoploparia' according to Roemer 1841
- 'Hoploparia dentonensis belongs to Hoploparia' according to Rathbun 1935
- 'Hoploparia edwardsi belongs to Hoploparia' according to Robineae-Desvoidy 1849
- 'Hoploparia eocenica belongs to Hoploparia' according to Lorenthey 1929
- 'Hoploparia falcifer belongs to Hoploparia' according to Fritsch and Kafka 1887
- 'Hoploparia fraasi belongs to Hoploparia' according to Bohm 1891
- 'Hoploparia gabbi belongs to Hoploparia' according to Pilsbry 1901
- 'Hoploparia gadzicki belongs to Hoploparia' according to Feldmann and Crame 1998
- 'Hoploparia gammaroides belongs to Hoploparia' according to McCoy 1849
- 'Hoploparia georgeana belongs to Hoploparia' according to Rathbun 1935
- 'Hoploparia gladiator belongs to Hoploparia' according to Pilsbry 1901
- 'Hoploparia groenlandica belongs to Hoploparia' according to Ravn 1903
- 'Hoploparia hakelensis belongs to Hoploparia' according to Fraas 1878
- 'Hoploparia hemprichi belongs to Hoploparia' according to Merin 1941
- 'Hoploparia heterodon belongs to Hoploparia' according to Bosquet 1854
- 'Hoploparia intermedia belongs to Hoploparia' according to Secretan 1964
- 'Hoploparia johnsoni belongs to Hoploparia' according to Rathbun 1935
- 'Hoploparia kamimurai belongs to Hoploparia' according to Kato and Karasawa 2006
- 'Hoploparia kamuy belongs to Hoploparia' according to Karasawa and Hayakawa 2000
- 'Hoploparia klebsi belongs to Hoploparia' according to Noetling 1885
- 'Hoploparia lehmanni belongs to Hoploparia' according to Haas 1889
- 'Hoploparia mcnairyensis belongs to Hoploparia' according to Rathbun 1926
- 'Hoploparia mesembria belongs to Hoploparia' according to Etheridge 1917
- 'Hoploparia minima belongs to Hoploparia' according to Tribolet 1876
- 'Hoploparia miyamotoi belongs to Hoploparia' according to Karasawa 1998
- 'Hoploparia munchki belongs to Hoploparia' according to Pelseneer 1886
- 'Hoploparia natsumiae belongs to Hoploparia' according to Karasawa et al. 2008
- 'Hoploparia nephropiformis belongs to Hoploparia' according to Schluter 1879
- 'Hoploparia percyi belongs to Hoploparia' according to Beneden 1872
- 'Hoploparia perseneeri belongs to Hoploparia' according to Van Straelen 1936
- 'Hoploparia pusilla belongs to Hoploparia' according to Secretan 1964
- 'Hoploparia saxbi belongs to Hoploparia' according to McCoy 1849
- 'Hoploparia scabra belongs to Hoploparia' according to Bell 1863
- 'Hoploparia schluteri belongs to Hoploparia' according to Tribolet 1876
- 'Hoploparia sculpta belongs to Hoploparia' according to Secretan 1964
- 'Hoploparia senonensis belongs to Hoploparia' according to Forir 1887
- 'Hoploparia shastensis belongs to Hoploparia' according to Rathbun 1929
- 'Hoploparia stokesi belongs to Hoploparia' according to Weller 1903
- 'Hoploparia suecica belongs to Hoploparia' according to Schluter 1879
- 'Hoploparia sulcicauda belongs to Hoploparia' according to Schluter 1879
- 'Hoploparia tennesseensis belongs to Hoploparia' according to Rathbun 1926
- 'Hoploparia triboleti belongs to Hoploparia' according to Borrisiak 1904
- 'Hoploparia trigeri belongs to Hoploparia' according to A. Milne and Edwards 1886
- 'Hoploparia victoriae belongs to Hoploparia' according to Quayle 1987
- 'Hoploparia wardi belongs to Hoploparia' according to Quayle 1987
- 'Huhatanka kiowana belongs to Huhatanka' according to Scott 1970
- 'Huxleycaris belongs to Axiidae'
- 'Huxleycaris beneventana belongs to Huxleycaris' according to Bravi and Garassino 1998
- 'Hyas belongs to Oregoniidae'
- 'Hyas aranaeus belongs to Hyas' according to Linnaeus 1758
- 'Hyas meridionalis belongs to Hyas' according to Glaessner 1928
- 'Hyas oranensis belongs to Hyas' according to Van Straelen 1936
- 'Hyas tani belongs to Hyas' according to Hu 1984
- 'Hyas tsuchidai belongs to Hyas' according to Imaizumi 1952
- 'Hyastenus belongs to Pisinae'
- 'Hyastenus corallinus belongs to Hyastenus' according to De Angeli and Beschin 2008
- 'Hyastenus diacanthus belongs to Hyastenus' according to De Haan 1839
- 'Hydrothelphusinae belongs to Potamonautidae'
- 'Hymenoceridae belongs to Palaemonoidea'
- 'Hymenosomatidae belongs to Majoidea'
- 'Hypocolpus belongs to Euxanthinae'
- 'Hypocolpus abbotti belongs to Hypocolpus' according to Rathbun 1894
- 'Hypoconchinae belongs to Dromiidae'
- 'Hypothalassiidae belongs to Eriphioidea'
- 'Ibericancer belongs to Ibericancridae'
- 'Ibericancer sanchoi belongs to Ibericancer' according to Artal 2008
- 'Ibericancridae belongs to Dakoticancroidea'
- 'Icriocarcinus belongs to Goneplacidae'
- 'Ifasya belongs to Penaeoidea'
- 'Ifasya madagascariensis belongs to Ifasya' according to Van Straelen 1933
- 'Ifasya straeleni belongs to Ifasya' according to Garassino and Teruzzi 1995
- 'Ilia belongs to Ebaliinae'
- 'Ilia nucleus belongs to Ilia' according to Linnaeus 1758
- 'Ilia pliocaenica belongs to Ilia' according to Ristori 1891
- 'Ilia valdellae belongs to Ilia' according to Fabiani 1908
- 'Iliacantha belongs to Ebaliinae'
- 'Ilyograpsinae belongs to Macrophthalmidae'
- 'Inachoididae belongs to Majoidea'
- 'Inachus belongs to Inachidae'
- 'Inachus lethaeus belongs to Inachus' according to Smirnov 1929
- 'Inachus phalangium belongs to Inachus' according to Fabricius 1775
- 'Iphiculus belongs to Iphiculidae'
- 'Iphiculus granulatus belongs to Iphiculus' according to Morris and Collins 1991
- 'Iphiculus miriensis belongs to Iphiculus' according to Morris and Collins 1991
- 'Iphiculus sexspinosus belongs to Iphiculus' according to Morris and Collins 1991
- 'Italialbunea belongs to Albuneidae'
- 'Italialbunea lutetiana belongs to Italialbunea' according to Beschin and De Angeli 1984
- 'Ixa belongs to Ebaliinae'
- 'Ixa cylindrus belongs to Ixa' according to Fabricius 1777
- 'Jabaloya aragonensis belongs to Jabaloya' according to Garassino et al. 2009
- 'Jacquinotia belongs to Majinae'
- 'Jacquinotia edwardsi belongs to Jacquinotia' according to Jacquinot and Lucas 1853
- 'Jagtia belongs to Nephropidae'
- 'Jakobsenius cretaceous belongs to Jakobsenius' according to Segerberg 1900
- 'Jasus belongs to Palinuridae'
- 'Jasus flemingi belongs to Jasus' according to Glaessner 1960
- 'Jaxea belongs to Laomediidae'
- 'Jaxea kuemeli belongs to Jaxea' according to Bachmayer 1954
- 'Jaxea nocturna belongs to Jaxea' according to Nardo 1847
- 'Jilinicaris belongs to Sergestoidea'
- 'Jilinicaris chinensis belongs to Jilinicaris' according to Schram 2000
- 'Jonesius oligocenicus belongs to Jonesius' according to Beschin et al. 2001
- 'Jonesius planus belongs to Jonesius' according to Muller 1996
- 'Jurapylocheles belongs to Paguroidea'
- 'Jurapylocheles malutka belongs to Jurapylocheles' according to Van Bakel 2008
- 'Jurellana belongs to Porcellanidae'
- 'Jurellana tithonia belongs to Jurellana' according to C. Schweitzer and R. Feldmann 2010
- 'Justitia belongs to Palinuridae'
- 'Justitia desmaresti belongs to Justitia' according to Massalongo 1854
- 'Justitia vicetina belongs to Justitia' according to Beschin et al. 2001
- 'Kakaducarididae belongs to Palaemonoidea'
- 'Karasawaia belongs to Cheiragonidae'
- 'Karasawaia markgrafi belongs to Karasawaia' according to Lorenthey 1907
- 'Kerepesia belongs to Dromiinae'
- 'Kerepesia viai belongs to Kerepesia' according to Muller 1976
- 'Kiwaidae belongs to Kiwaoidea'
- 'Kiwaoidea belongs to Anomura'
- 'Knebelia belongs to Eryonidae'
- 'Knebelia bilobata belongs to Knebelia' according to Munster 1839
- 'Koelga belongs to Penaeoidea'
- 'Koelga curvirostris belongs to Koelga' according to Munster 1839
- 'Koelga nuensteri belongs to Koelga' according to Schweigert and Garassino 2004
- 'Konidromites belongs to Konidromitidae'
- 'Konidromites bjorki belongs to Konidromites' according to Bishop and Williams 2000
- 'Konidromites gibbus belongs to Konidromites' according to Reuss 1858
- 'Konidromites izetti belongs to Konidromites' according to Bishop 1988
- 'Konidromites schneideri belongs to Konidromites' according to Stolley 1924
- 'Konidromitidae belongs to Konidromitoidea'
- 'Konidromitoidea belongs to Brachyura'
- 'Kowaicarcinus belongs to Goneplacidae'
- 'Kraussiinae belongs to Xanthidae'
- 'Kromtitis belongs to Dynomenidae'
- 'Kromtitis bicuspidatus belongs to Kromtitis' according to Beschin et al. 2009
- 'Kromtitis daniensis belongs to Kromtitis' according to Collins 2010
- 'Kromtitis koberi belongs to Kromtitis' according to Bachmayer and Tollmann 1953
- 'Kromtitis koberiformis belongs to Kromtitis' according to Beschin et al. 2007
- 'Kromtitis levigatus belongs to Kromtitis' according to Beschin et al. 2007
- 'Kromtitis lothi belongs to Kromtitis' according to Forster and Mundlos 1982
- 'Kromtitis pentagonalis belongs to Kromtitis' according to Muller and Collins 1991
- 'Kromtitis spinulata belongs to Kromtitis' according to Portell and Collins 2004
- 'Kromtitis subovatus belongs to Kromtitis' according to Beschin et al. 2007
- 'Kromtitis tetratuberculatus belongs to Kromtitis' according to Beschin 2002
- 'Lachnopodus belongs to Xanthinae'
- 'Lachnopodus bidentatus belongs to Lachnopodus' according to A. Milne-Edwards 1867
- 'Lachnopodus murdjadjensis belongs to Lachnopodus' according to Saint Martin and Muller 1988
- 'Lachnopodus subacutus belongs to Lachnopodus' according to Stimpson 1859
- 'Laevicarcinus belongs to Panopeinae'
- 'Laevicarcinus dockeryi belongs to Laevicarcinus' according to Blow and Manning 1996
- 'Laevicarcinus egerensis belongs to Laevicarcinus' according to Lorenthey 1929
- 'Laevicarcinus lioyi belongs to Laevicarcinus' according to Beschin et al. 2007
- 'Laeviprosopon belongs to Prosopidae'
- 'Laeviprosopon lazarae belongs to Laeviprosopon' according to Frantescu 2010
- 'Laleonectes belongs to Atoportuninae'
- 'Laleonectes vocans belongs to Laleonectes' according to A. Milne-Edwards 1878
- 'Lambropsis belongs to Actaeinae'
- 'Lambropsis wanneri belongs to Lambropsis' according to Lorenthey 1909
- 'Lammuastacus belongs to Parastacoidea'
- 'Lammuastacus longirostris belongs to Lammuastacus' according to Aguirre Urreta 1992
- 'Laomedia belongs to Laomediidae'
- 'Laomedia praestacina belongs to Laomedia' according to Karasawi 1989
- 'Laomediidae belongs to Gebiidea'
- 'Lathahypossia belongs to Hypothalassiidae'
- 'Lathahypossia aculeata belongs to Lathahypossia' according to Busulini 1984
- 'Latheticocarcinus belongs to Homolidae'
- 'Latheticocarcinus adelphinus belongs to Latheticocarcinus' according to Collins and Rasmussen 1992
- 'Latheticocarcinus affinus belongs to Latheticocarcinus' according to Jakobsen and Collins 1992
- 'Latheticocarcinus atlanticus belongs to Latheticocarcinus' according to Roberts 1962
- 'Latheticocarcinus brevis belongs to Latheticocarcinus' according to Collins et al. 1993
- 'Latheticocarcinus brightoni belongs to Latheticocarcinus' according to Wright and Collins 1972
- 'Latheticocarcinus centurialis belongs to Latheticocarcinus' according to Bishop 1992
- 'Latheticocarcinus declinatus belongs to Latheticocarcinus' according to Collins et al. 1995
- 'Latheticocarcinus dispar belongs to Latheticocarcinus' according to Roberts 1962
- 'Latheticocarcinus ludvigseni belongs to Latheticocarcinus' according to C. Schweitzer et al. 2004
- 'Latheticocarcinus pikeae belongs to Latheticocarcinus' according to Bishop and Brannen 1992
- 'Latheticocarcinus punctatus belongs to Latheticocarcinus' according to Rathbun 1917
- 'Latheticocarcinus schlueteri belongs to Latheticocarcinus' according to Beurlen 1928
- 'Latheticocarcinus shapiroi belongs to Latheticocarcinus' according to Bishop 1988
- 'Latheticocarcinus spinigus belongs to Latheticocarcinus' according to Jakobsen and Collins 1997
- 'Latheticocarcinus transiens belongs to Latheticocarcinus' according to Segerberg 1900
- 'Laticarpilius belongs to Carpiliidae'
- 'Laticarpilius aegyptus belongs to Laticarpilius'
- 'Laticarpilius bispinosus belongs to Laticarpilius' according to Satsangi and Changkakoti 1989
- 'Latreilliidae belongs to Homoloidea'
- 'Latulambrus belongs to Parthenopinae'
- 'Latulambrus occidentalis belongs to Latulambrus' according to Dana 1854
- 'Laurentiella belongs to Laomediidae'
- 'Laurentiella imaizumii belongs to Laurentiella' according to Karasawa 1993
- 'Lecythocaris belongs to Lecythocaridae'
- 'Lecythocaris stoicai belongs to Lecythocaris' according to Frantescu 2010
- 'Leiolambrus belongs to Parthenopinae'
- 'Leiolambrus longifrons belongs to Leiolambrus' according to Quayle and Collins 1981
- 'Leiothorax belongs to Decapoda'
- 'Leiothorax triasicus belongs to Leiothorax' according to Pinna 1974
- 'Leotodius belongs to Xanthinae'
- 'Lepidophthalmus belongs to Callianassidae'
- 'Lepidophthalmus jamaicense belongs to Lepidophthalmus' according to Schmitt 1935
- 'Leptodius belongs to Xanthinae'
- 'Leptodius crosnieri belongs to Leptodius' according to Karasawa 1993
- 'Leptodius granulatus belongs to Leptodius' according to Portell and Collins 2004
- 'Leptodius morrisi belongs to Leptodius' according to Karasawa 1993
- 'Leptomithrax belongs to Majinae'
- 'Leptomithrax atavus belongs to Leptomithrax' according to Glaessner 1960
- 'Leptomithrax edwardsii belongs to Leptomithrax' according to De Haan 1837
- 'Leptomithrax elegans belongs to Leptomithrax' according to Jenkins 1985
- 'Leptomithrax elongatus belongs to Leptomithrax' according to McLay 1995
- 'Leptomithrax griffini belongs to Leptomithrax' according to Feldmann and Maxwell 1990
- 'Leptomithrax irirangi belongs to Leptomithrax' according to Glaessner 1960
- 'Leptomithrax martensis belongs to Leptomithrax' according to Jenkins 1985
- 'Leptomithrax uruti belongs to Leptomithrax' according to Glaessner 1960
- 'Lessinigalathea belongs to Galatheidae'
- 'Lessinigalathea regale belongs to Lessinigalathea' according to De Angeli and Garassino 2002
- 'Lessinioplax belongs to Litocheiridae'
- 'Lessinioplax rugosa belongs to Lessinioplax' according to Beschin and De Angeli 2004
- 'Lessinioplax simplex belongs to Lessinioplax' according to Beschin and De Angeli 2004
- 'Leucosia belongs to Leucosiinae'
- 'Leucosia anatum belongs to Leucosia' according to Herbst 1783
- 'Leucosia calcarata belongs to Leucosia' according to Collins 2003
- 'Leucosia craniolaris belongs to Leucosia' according to Linnaeus 1758
- 'Leucosia longiangulata belongs to Leucosia' according to Morris and Collins 1991
- 'Leucosia martini belongs to Leucosia' according to Karasawa 2008
- 'Leucosia ovalata belongs to Leucosia' according to Hu and Tao 1996
- 'Leucosia serenei belongs to Leucosia' according to Morris and Collins 1991
- 'Leucosia subrhomboidalis belongs to Leucosia' according to Desmarest 1822
- 'Leucosia subrhomboidea belongs to Leucosia' according to Hu and Tao 1996
- 'Leucosia taiwanica belongs to Leucosia' according to Hu and Tao 1996
- 'Leucosia takamii belongs to Leucosia' according to Karasawa 1993
- 'Leucosia tricarinata belongs to Leucosia' according to Martin 1880
- 'Leucosia tutongensis belongs to Leucosia' according to Morris and Collins 1991
- 'Leucosilia belongs to Ebaliinae'
- 'Leucosilia bananensis belongs to Leucosilia' according to Rathbun 1918
- 'Leucosilia jurinii belongs to Leucosilia' according to De Saussure 1853
- 'Leucosioidea belongs to Brachyura'
- 'Leurocyclus belongs to Inachoididae'
- 'Leurocyclus primigenius belongs to Leurocyclus' according to Aguirre-Urreta 1990
- 'Liagore belongs to Xanthinae'
- 'Liagore rubromaculata belongs to Liagore' according to De Haan 1835
- 'Lianira belongs to Notopodinae'
- 'Lianira beschini belongs to Lianira' according to Beschin 1991
- 'Lianira convexa belongs to Lianira' according to Beschin 1991
- 'Lianira isidoroi belongs to Lianira' according to Beschin et al. 2007
- 'Libanocaris belongs to Penaeoidea'
- 'Libanocaris rogeri belongs to Libanocaris' according to Garassino 1994
- 'Libinia belongs to Pisinae'
- 'Libinia dubia belongs to Libinia' according to H. Milne-Edwards 1834
- 'Libinia emarginata belongs to Libinia' according to Leach 1815
- 'Libinia mbalavuensis belongs to Libinia' according to Rathbun 1945
- 'Libinia peruviensis belongs to Libinia' according to Carriol et al. 1987
- 'Libinia setosa belongs to Libinia' according to Lockington 1877
- 'Libystes nitidus belongs to Libystes' according to A. Milne-Edwards 1867
- 'Lignihomola belongs to Homolidae'
- 'Lignihomola etheridgei belongs to Lignihomola' according to Woodward 1892
- 'Linuparus belongs to Palinuridae'
- 'Linuparus adkinsi belongs to Linuparus' according to Rathbun 1935
- 'Linuparus africanus belongs to Linuparus' according to Glaessner 1932
- 'Linuparus bererensis belongs to Linuparus' according to Secretan 1964
- 'Linuparus bigranulatus belongs to Linuparus' according to Glaessner 1930
- 'Linuparus carteri belongs to Linuparus' according to Reed 1911
- 'Linuparus dentatus belongs to Linuparus' according to Van Straelen 1936
- 'Linuparus duelmenensis belongs to Linuparus' according to Geinitz 1849
- 'Linuparus eocenicus belongs to Linuparus' according to Woods 1925
- 'Linuparus euthymei belongs to Linuparus' according to Roman and Mazeran 1920
- 'Linuparus grimmeri belongs to Linuparus' according to Stenzel 1945
- 'Linuparus hantscheli belongs to Linuparus' according to Mertin 1941
- 'Linuparus japonicus belongs to Linuparus' according to Nagao 1931
- 'Linuparus kleinfelderi belongs to Linuparus' according to Rathbun 1931
- 'Linuparus korura belongs to Linuparus' according to Feldmann and Bearlin 1988
- 'Linuparus laevicephalus belongs to Linuparus' according to Mertin 1941
- 'Linuparus macellarii belongs to Linuparus' according to R. Feldmann and Tshudy 1988
- 'Linuparus petkovici belongs to Linuparus' according to Bachmayer and Markovic 1955
- 'Linuparus pustulosus belongs to Linuparus' according to Feldmann et al. 1977
- 'Linuparus richardsi belongs to Linuparus' according to Roberts 1962
- 'Linuparus schluteri belongs to Linuparus' according to Tribolet 1874
- 'Linuparus scyllariformis belongs to Linuparus' according to Bell 1858
- 'Linuparus spinosus belongs to Linuparus' according to Collins and Rasmussen 1992
- 'Linuparus stolleyi belongs to Linuparus' according to Haas 1889
- 'Linuparus straili belongs to Linuparus' according to Forir 1887
- 'Linuparus tarrantensis belongs to Linuparus' according to Davidson 1963
- 'Linuparus texanus belongs to Linuparus' according to Rathbun 1935
- 'Linuparus watkinsi belongs to Linuparus' according to Stenzel 1945
- 'Linuparus wilcoxensis belongs to Linuparus' according to Rathbun 1935
- 'Liocarcinus belongs to Polybiinae'
- 'Liocarcinus atropatanus belongs to Liocarcinus' according to Aslanova and Dschafarova 1975
- 'Liocarcinus corrugatus belongs to Liocarcinus' according to Pennant 1777
- 'Liocarcinus depurator belongs to Liocarcinus' according to Linnaeus 1758
- 'Liocarcinus holsatus belongs to Liocarcinus' according to Fabricius 1798
- 'Liocarcinus kuehni belongs to Liocarcinus' according to Bachmayer 1953
- 'Liocarcinus lancetidactylus belongs to Liocarcinus' according to Smirnov 1929
- 'Liocarcinus marmoreus belongs to Liocarcinus' according to Leach 1816
- 'Liocarcinus oligocaenicus belongs to Liocarcinus' according to Pauca 1929
- 'Liocarcinus oroszyi belongs to Liocarcinus' according to Bachmayer 1953
- 'Liocarcinus praearcuatus belongs to Liocarcinus' according to Muller 1996
- 'Liocarcinus pusillus belongs to Liocarcinus' according to Leach 1816
- 'Liocarcinus rakosensis belongs to Liocarcinus' according to Lorenthey 1929
- 'Liocaris belongs to Grapsoidea'
- 'Liocaris quadratus belongs to Liocaris' according to Van Straelen 1924
- 'Liomera belongs to Liomerinae'
- 'Liomera cinctimana belongs to Liomera' according to White 1847
- 'Liomera laevis belongs to Liomera' according to A. Milne-Edwards 1873
- 'Liomera monticulosa belongs to Liomera' according to A. Milne-Edwards 1873
- 'Liomera rubra belongs to Liomera' according to A. Milne-Edwards 1865
- 'Liomera stimpsonii belongs to Liomera' according to A. Milne-Edwards 1865
- 'Liomera sublensis belongs to Liomera' according to Rathbun 1945
- 'Liomera transversa belongs to Liomera' according to Hu 1983
- 'Liomera venosa belongs to Liomera' according to H. Milne-Edwards 1834
- 'Liomerinae belongs to Xanthidae'
- 'Liopsalis belongs to Carpiliidae'
- 'Liopsalis anodon belongs to Liopsalis' according to Bittenr 1875
- 'Liopsalis klipsteini belongs to Liopsalis' according to Von Meyer 1842
- 'Liopsalis simplex belongs to Liopsalis' according to Stoliczka 1871
- 'Lipaesthesius belongs to Euxanthinae'
- 'Lipaesthesius quadratus belongs to Lipaesthesius' according to Rathbun 1945
- 'Lissocarcinus belongs to Caphyrinae'
- 'Lissocarcinus szoeraenyiae belongs to Lissocarcinus' according to Muller 1974
- 'Lissocardia belongs to Erymidae'
- 'Lissocardia badensis belongs to Lissocardia' according to Assmann 1937
- 'Lissocardia magna belongs to Lissocardia' according to Von Meyer 1851
- 'Lissocardia silesiaca belongs to Lissocardia' according to von Meyer 1851
- 'Lithodidae belongs to Lithodoidea'
- 'Lithodoidea belongs to Anomura'
- 'Lithophylacidae belongs to Portunoidea'
- 'Lithophylax belongs to Lithophylacidae'
- 'Lithophylax trigeri belongs to Lithophylax' according to A. Milne-Edwards and Brocchi 1879
- 'Litocheiridae belongs to Goneplacoidea'
- 'Litogaster belongs to Glypheidae'
- 'Litogaster luxoviensis belongs to Litogaster' according to Etallon 1859
- 'Litogaster obtusa belongs to Litogaster' according to Von Meyer 1847
- 'Litogaster ornata belongs to Litogaster' according to Von Meyer 1851
- 'Litogaster tietenbachensis belongs to Litogaster' according to Assmann 1927
- 'Litogaster tuberculata belongs to Litogaster' according to Assmann 1927
- 'Litograpsus belongs to Grapsidae'
- 'Litograpsus parvus belongs to Litograpsus' according to Muller and Collins 1991
- 'Lobipetrolisthes belongs to Porcellanidae'
- 'Lobipetrolisthes blowi belongs to Lobipetrolisthes' according to De Angeli and Garassino 2002
- 'Lobocarcinus belongs to Lobocarcininae'
- 'Lobocarcinus aegypticus belongs to Lobocarcinus' according to Lorenthey 1909
- 'Lobocarcinus catalaunicus belongs to Lobocarcinus' according to Van Straelen 1927
- 'Lobocarcinus indicus belongs to Lobocarcinus' according to Glaessner 1933
- 'Lobocarcinus lumacopius belongs to Lobocarcinus' according to Anderson and R. Feldmann 1995
- 'Lobocarcinus paulinowuettemburgensis belongs to Lobocarcinus' according to Von Meyer 1847
- 'Lobocarcinus pentanodosus belongs to Lobocarcinus' according to Collins and Barber 1998
- 'Lobocarcinus pustulosus belongs to Lobocarcinus' according to R. Feldmann and Fordyce 1996
- 'Lobocarcinus sismondai belongs to Lobocarcinus' according to Von Meyer 1843
- 'Lobogalenopsis belongs to Pilumninae'
- 'Lobogalenopsis quadrilobata belongs to Lobogalenopsis' according to Lorenthey 1897
- 'Lobonotus australis belongs to Lobonotus' according to Fritsch and Kafka 1878
- 'Lobonotus bakeri belongs to Lobonotus' according to Rathbun 1935
- 'Lobonotus brazosensis belongs to Lobonotus' according to Setenzel 1935
- 'Lobonotus natchitochensis belongs to Lobonotus' according to Stenzel 1935
- 'Lobonotus purdyi belongs to Lobonotus' according to Blow and Manning 1996
- 'Lobonotus sandersi belongs to Lobonotus' according to Blow and Manning 1998
- 'Lobonotus sculptus belongs to Lobonotus' according to A. Milne-Edwards 1863
- 'Lobulata lobulata belongs to Lobulata' according to R. Feldmann and Casadio 1995
- 'Loerentheya belongs to Retroplumidae'
- 'Loerentheya carinata belongs to Loerentheya' according to Beurlen 1929
- 'Loerenthopluma danielae belongs to Loerenthopluma' according to Van Bakel et al. 2010
- 'Loerenthopluma lata belongs to Loerenthopluma' according to Beschin 1996
- 'Loerenthoplumopsa belongs to Retroplumidae'
- 'Lomisidae belongs to Lomisoidea'
- 'Lomisoidea belongs to Anomura'
- 'Londinimola belongs to Homolidae'
- 'Londinimola williamsi belongs to Londinimola' according to Collins and Saward 2006
- 'Longichela belongs to Penaeoidea'
- 'Longichela orobica belongs to Longichela' according to Garassino and Teruzzi 1993
- 'Longodromites bicornutus belongs to Longodromites' according to Mutiu and Badaluta 1971
- 'Longodromites meyeri belongs to Longodromites' according to Etallon 1859
- 'Longoporcellana belongs to Porcellanidae'
- 'Longoporcellana denticulata belongs to Longoporcellana' according to Muller and Collins 1991
- 'Longoporcellana lobata belongs to Longoporcellana' according to De Angeli and Garassino 2002
- 'Longusorbiidae belongs to Portunoidea'
- 'Longusorbis belongs to Longusorbiidae' according to H. Karasawa et al. 2008
- 'Longusorbis quadratus belongs to Longusorbis' according to Fraaije et al. 2006
- 'Lophomastix belongs to Blepharipodidae'
- 'Lophomastix altoonaensis belongs to Lophomastix' according to Nybory and Vega 2008
- 'Lophomastix antiqua belongs to Lophomastix' according to C. Schweitzer and Boyko 2000
- 'Lophomastix boykoi belongs to Lophomastix' according to Nuborg and Vega 2008
- 'Lophomastix kellyi belongs to Lophomastix' according to Nyborg and Vega 2008
- 'Lophopanopeus belongs to Panopeinae'
- 'Lophopanopeus corallinus belongs to Lophopanopeus' according to Portell and Collins 2004
- 'Lophopanopeus diegensis belongs to Lophopanopeus' according to Rathbun 1900
- 'Lophopanopeus leucomanus belongs to Lophopanopeus' according to Lockington 1877
- 'Lophopanopeus maculoides belongs to Lophopanopeus' according to Collins and Todd 2005
- 'Lophopanopeus toomeyorum belongs to Lophopanopeus' according to Portell and Collins 2004
- 'Lophoranina belongs to Ranininae'
- 'Lophoranina aculeata belongs to Lophoranina' according to A. Milne-Edwards 1881
- 'Lophoranina aldrovandii belongs to Lophoranina' according to Ranzani 1820
- 'Lophoranina bakerti belongs to Lophoranina' according to A. Milne-Edwards 1872
- 'Lophoranina barroisi belongs to Lophoranina' according to Brocchi 1877
- 'Lophoranina bittneri belongs to Lophoranina' according to Lorenthey 1902
- 'Lophoranina cinquqecrista belongs to Lophoranina' according to R. Feldmann et al. 2010
- 'Lophoranina cristaspina belongs to Lophoranina' according to Vega and Cosma 2001
- 'Lophoranina georgina belongs to Lophoranina' according to Rathbun 1935
- 'Lophoranina kemmelingi belongs to Lophoranina' according to Van Straelen 1924
- 'Lophoranina laevifrons belongs to Lophoranina' according to Bittner 1875
- 'Lophoranina levantina belongs to Lophoranina' according to Lewy 1977
- 'Lophoranina marestiana belongs to Lophoranina' according to Konig 1825
- 'Lophoranina maxima belongs to Lophoranina' according to Beschin 2004
- 'Lophoranina persica belongs to Lophoranina' according to Withers 1932
- 'Lophoranina porifera belongs to Lophoranina' according to Woodward 1866
- 'Lophoranina precocia belongs to Lophoranina' according to R. Feldmann 1996
- 'Lophoranina quinquespinosa belongs to Lophoranina' according to Rathbun 1945
- 'Lophoranina reussi belongs to Lophoranina' according to Woodward 1866
- 'Lophoranina rossi belongs to Lophoranina' according to Blow and Manning 1996
- 'Lophoranina soembaensis belongs to Lophoranina' according to Van Straelen 1938
- 'Lophoranina straeleni belongs to Lophoranina' according to Via 1959
- 'Lophoranina tchihatcheffi belongs to Lophoranina' according to A. Milne-Edwards 1866
- 'Lophoranina toyosimai belongs to Lophoranina' according to Yabe and Sugiyama 1935
- 'Lophoraninella belongs to Raninidae'
- 'Lophoraninella cretacea belongs to Lophoraninella' according to Dames 1886
- 'Lovaracarcinus belongs to Zanthopsidae'
- 'Lovaracarcinus granulatus belongs to Lovaracarcinus' according to De Angeli and Beschin 2010
- 'Lovarina belongs to Notopodinae'
- 'Lovarina cristata belongs to Lovarina' according to Beschin et al. 1991
- 'Loxorhynchus belongs to Pisinae'
- 'Loxorhynchus crispatus belongs to Loxorhynchus' according to Stimpson 1857
- 'Loxorhynchus grandis belongs to Loxorhynchus' according to Stimpson 1857
- 'Lucanthonisia belongs to Basinotopidae'
- 'Lucanthonisia eotvoesi belongs to Lucanthonisia' according to Muller 1976
- 'Lucanthonisia praemia belongs to Lucanthonisia' according to Van Bakel 2008
- 'Luciferidae belongs to Sergestoidea'
- 'Luisogalathea belongs to Galatheidae'
- 'Luisogalathea cobbani belongs to Luisogalathea' according to Bishop 1985
- 'Luisogalathea cretacea belongs to Luisogalathea' according to Stenzel 1945
- 'Luisogalathea tomitai belongs to Luisogalathea' according to Karasawa and Hayakawa 2000
- 'Lupeites belongs to Grapsoidea'
- 'Lupeites granulatus belongs to Lupeites' according to Fritsch and Kafka 1887
- 'Lupocyclinae belongs to Portunidae'
- 'Lupocyclus belongs to Lupocyclinae'
- 'Lupocyclus tuberculosus belongs to Lupocyclus' according to Karasawa 1993
- 'Lydia belongs to Oziidae'
- 'Lydia kianobesana belongs to Lydia' according to Hu 1993
- 'Lyreidina belongs to Lyreidinae'
- 'Lyreidina pyriformis belongs to Lyreidina' according to Fraaye and Van Bakel 1998
- 'Lyreidinae belongs to Palaeocorystidae'
- 'Lyreidus belongs to Lyreidinae'
- 'Lyreidus antarcticus belongs to Lyreidus' according to R. Feldmann and Zinsmeister 1984
- 'Lyreidus bennetti belongs to Lyreidus' according to R. Feldmann and Maxwell 1990
- 'Lyreidus elegans belongs to Lyreidus' according to Glaessner 1960
- 'Lyreidus fastigatus belongs to Lyreidus' according to Rathbun 1919
- 'Lyreidus hookeri belongs to Lyreidus' according to R. Feldmann 1992
- 'Lyreidus hungaricus belongs to Lyreidus' according to Beurlen 1939
- 'Lyreidus paronae belongs to Lyreidus' according to Crema 1895
- 'Lyreidus teshimai belongs to Lyreidus' according to Fujiyama and Takeda 1980
- 'Macroacaena belongs to Lyreidinae'
- 'Macroacaena alseana belongs to Macroacaena' according to Rathbun 1932
- 'Macroacaena bidentata belongs to Macroacaena' according to Rathbun 1935
- 'Macroacaena bispinulata belongs to Macroacaena' according to Collins and Rasmussen 1992
- 'Macroacaena elongata belongs to Macroacaena' according to A. Milne-Edwards 1862
- 'Macroacaena franconia belongs to Macroacaena' according to Schweigert 2004
- 'Macroacaena fudoujii belongs to Macroacaena' according to Karasawa 2000
- 'Macroacaena marionae belongs to Macroacaena' according to Tucker 1998
- 'Macroacaena naselensis belongs to Macroacaena' according to Rathbun 1926
- 'Macroacaena rosenkrantzi belongs to Macroacaena' according to Collins and Rasmussen 1992
- 'Macroacaena willapensis belongs to Macroacaena' according to Rathbun 1926
- 'Macrocheira belongs to Inachidae'
- 'Macrocheira ginzanensis belongs to Macrocheira' according to Imaizumi 1965
- 'Macrocheira longirostra belongs to Macrocheira' according to C. Schweitzer and R. Feldmann 1999
- 'Macrocheira teglandi belongs to Macrocheira' according to Rathbun 1926
- 'Macrocheira yabei belongs to Macrocheira' according to Imaizumi 1957
- 'Macromaxillocarididae belongs to Stenopodidea'
- 'Macromedaeus belongs to Xanthinae'
- 'Macromedaeus distinguendus belongs to Macromedaeus' according to De Haan 1835
- 'Macropenaeus belongs to Penaeoidea'
- 'Macropenaeus incertus belongs to Macropenaeus' according to Roger 1946
- 'Macrophthalmidae belongs to Ocypodoidea'
- 'Macrophthalminae belongs to Macrophthalmidae'
- 'Macrophthalmus belongs to Macrophthalminae'
- 'Macrophthalmus aquensis belongs to Macrophthalmus' according to A. Milne-Edwards and Brocchi 1879
- 'Macrophthalmus depressus belongs to Macrophthalmus' according to Ruppell 1830
- 'Macrophthalmus japonicus belongs to Macrophthalmus' according to De Haan 1835
- 'Macrophthalmus latifrons belongs to Macrophthalmus' according to Haswell 1882
- 'Macrophthalmus leptophthalmus belongs to Macrophthalmus' according to H. Milne-Edwards 1852
- 'Macrophthalmus serratus belongs to Macrophthalmus' according to Adams and White 1848
- 'Macrophthalmus setosus belongs to Macrophthalmus' according to H. Milne-Edwards 1852
- 'Macrophthalmus viai belongs to Macrophthalmus' according to Karasawa and Inoue 1992
- 'Macropipidae belongs to Portunoidea'
- 'Macropipus belongs to Macropipidae'
- 'Macropipus gruneri belongs to Macropipus' according to Bachmayer and Rutsch 1962
- 'Macropipus ovalipes belongs to Macropipus' according to Secretan 1975
- 'Macropipus tuberculatus belongs to Macropipus' according to Roux 1828
- 'Madaeus belongs to Euxanthinae'
- 'Madaeus mbalavuensis belongs to Madaeus' according to Rathbun 1945
- 'Madaeus variabilis belongs to Madaeus' according to Rathbun 1945
- 'Maeandricampus granuliferum belongs to Maeandricampus' according to Glaessner 1960
- 'Maeandricampus triangulum belongs to Maeandricampus' according to Rathbun 1926
- 'Magila belongs to Axiidae'
- 'Magila denticulata belongs to Magila' according to Munster 1839
- 'Magila desmarestii belongs to Magila' according to Munster 1839
- 'Magila dissimilis belongs to Magila' according to Carter 1886
- 'Magila dura belongs to Magila' according to Moericke 1889
- 'Magila latimana belongs to Magila' according to Munster 1839
- 'Magila levimana belongs to Magila' according to Carter 1886
- 'Magila parvula belongs to Magila' according to Oppel 1862
- 'Magila pichleri belongs to Magila' according to Oppel 1862
- 'Magila rougemonti belongs to Magila' according to Tribolet 1873
- 'Magila straeleni belongs to Magila' according to Patrulius 1959
- 'Magyarcarcinus belongs to Goneplacidae'
- 'Magyarcarcinus loczanus belongs to Magyarcarcinus' according to Lorenthey 1898
- 'Maingrapsus belongs to Litocheiridae'
- 'Maingrapsus quadratus belongs to Maingrapsus' according to Tessier 1999
- 'Mainhepatiscus belongs to Aethridae'
- 'Mainhepatiscus zannatoi belongs to Mainhepatiscus' according to De Angeli and Beschin 1999
- 'Maja belongs to Majinae'
- 'Maja aquinado belongs to Maja' according to Herbst 1788
- 'Maja arambourgi belongs to Maja' according to Van Straelen 1936
- 'Maja austriaca belongs to Maja' according to Bachmayer 1953
- 'Maja biaensis belongs to Maja' according to Lorenthey 1929
- 'Maja crispata belongs to Maja' according to Risso 1826
- 'Maja dominoleuae belongs to Maja' according to Hu and Tao 1826
- 'Maja hungarica belongs to Maja' according to Lorenthey 1929
- 'Maja laddi belongs to Maja' according to Rathbun 1934
- 'Maja miocaenica belongs to Maja' according to Lorenthey 1907
- 'Maja morii belongs to Maja' according to Kato 1996
- 'Maja orbigniana belongs to Maja' according to Millet 1854
- 'Maja oroszyi belongs to Maja' according to Bachmayer 1953
- 'Maja robinsoni belongs to Maja' according to Jenkins 1985
- 'Maja tomidai belongs to Maja' according to Kato 2002
- 'Malmuncina belongs to Uncinidae'
- 'Malmuncina wulfi belongs to Malmuncina' according to Schweigert and Garassino 2003
- 'Marocarcinidae belongs to Brachyura'
- 'Marocarcinus belongs to Marocarcinidae'
- 'Marocarcinus pasinii belongs to Marocarcinus' according to Guinot et al. 2008
- 'Martinetta palmeri belongs to Martinetta' according to Blow and Manning 1997
- 'Martinocarcinidae belongs to Goneplacoidea'
- 'Martinocarcinus belongs to Martinocarcinidae'
- 'Martinocarcinus ickeae belongs to Martinocarcinus' according to Bohm 1922
- 'Mascaranada belongs to Carcineretidae'
- 'Mascaranada difuntaensis belongs to Mascaranada' according to Vega and R. Feldmann 1991
- 'Matutidae belongs to Leucosioidea'
- 'Matutites belongs to Aethridae'
- 'Matutites americanus belongs to Matutites' according to Rathbun 1935
- 'Matutites anthonyae belongs to Matutites' according to Blow and Manning 1996
- 'Maurimia belongs to Goniodromitidae'
- 'Maurimia sergipensis belongs to Maurimia' according to Beurlen 1965
- 'Mcrocarcinidae belongs to Brachyura'
- 'Mecochiridae belongs to Glypheoidea'
- 'Mecochirus chilensis belongs to Mecochirus' according to Forster and Von Hillebrandt 1984
- 'Mecochirus clypeatus belongs to Mecochirus' according to Carter 1898
- 'Mecochirus dubius belongs to Mecochirus' according to Munster 1839
- 'Mecochirus eckerti belongs to Mecochirus' according to Frentzen 1937
- 'Mecochirus foresti belongs to Mecochirus' according to Secretan 1968
- 'Mecochirus germari belongs to Mecochirus' according to Garassino 1996
- 'Mecochirus grandis belongs to Mecochirus' according to Quenstedt 1856
- 'Mecochirus houdardi belongs to Mecochirus' according to Van Straelen 1936
- 'Mecochirus leionoton belongs to Mecochirus' according to Krause 1891
- 'Mecochirus longimanatus belongs to Mecochirus' according to Schlotheim 1822
- 'Mecochirus marwicki belongs to Mecochirus' according to Glaessner 1960
- 'Mecochirus minimus belongs to Mecochirus' according to Hee 1924
- 'Mecochirus olifex belongs to Mecochirus' according to Quenstedt 1856
- 'Mecochirus pearcei belongs to Mecochirus' according to McCoy 1849
- 'Mecochirus peytoni belongs to Mecochirus' according to Woodward 1876
- 'Mecochirus rostratus belongs to Mecochirus' according to Collins and Rasmussen 1992
- 'Mecochirus socialis belongs to Mecochirus' according to Von Meyer 1841
- 'Medaeops belongs to Euxanthinae'
- 'Medaeops megamiensis belongs to Medaeops' according to Karasawa 1993
- 'Medaeus belongs to Euxanthinae'
- 'Medaeus granulatus belongs to Medaeus' according to Martin 1880
- 'Medorippe belongs to Dorippidae'
- 'Medorippe ampla belongs to Medorippe' according to Garassino 2004
- 'Medorippe lanata belongs to Medorippe' according to Linnaeus 1767
- 'Medorippe tanabei belongs to Medorippe' according to Karasawa 2000
- 'Megachela belongs to Axiidae'
- 'Megachela frickhingeri belongs to Megachela' according to Schweigert 2003
- 'Megaesthesiinae belongs to Chasmocarcinidae'
- 'Megamia belongs to Xanthinae'
- 'Megamia anaglypta belongs to Megamia' according to Karasawa 1993
- 'Megaxantho belongs to Xanthoidea'
- 'Megaxantho zoque belongs to Megaxantho' according to Vega and R. Feldmann 2001
- 'Megokkos belongs to Macropipidae' according to W. Stephenson and B. Campbell 1960
- 'Megokkos alaskensis belongs to Megokkos' according to Rathbun 1926
- 'Megokkos hexagonalis belongs to Megokkos' according to Nagao 1932
- 'Megokkos macrospinus belongs to Megokkos' according to C. Schweitzer 2000
- 'Menippe belongs to Oziidae'
- 'Menippe anomala belongs to Menippe' according to Rathbun 1935
- 'Menippe brevimanus belongs to Menippe' according to Rathbun 1945
- 'Menippe burnsi belongs to Menippe' according to Rathbun 1935
- 'Menippe cretacea belongs to Menippe' according to Rathbun 1935
- 'Menippe floridana belongs to Menippe' according to Rathbun 1935
- 'Menippe frescoensis belongs to Menippe' according to Remy 1960
- 'Menippe jakesonensis belongs to Menippe' according to Rathbun 1935
- 'Menippe mercenaria belongs to Menippe' according to Say 1818
- 'Menippe nodifrons belongs to Menippe' according to Stimpson 1862
- 'Menippe oceanica belongs to Menippe' according to Rathbun 1945
- 'Merocryptus belongs to Ebaliinae'
- 'Merocryptus altavillensis belongs to Merocryptus' according to De Angeli et al. 2010
- 'Mesodromilites glaber belongs to Mesodromilites' according to Woodward 1898
- 'Mesogalathea belongs to Galatheidae'
- 'Mesogalathea belongs to Galatheidae' according to Housa 1963
- 'Mesogalathea striata belongs to Mesogalathea' according to Remes 1895
- 'Mesolambrus belongs to Parthenopidae'
- 'Mesolambrus declinatus belongs to Mesolambrus' according to Muller and Collins 1991
- 'Mesorhoea belongs to Parthenopinae'
- 'Mesorhoea idae belongs to Mesorhoea' according to Rathbun 1926
- 'Mesorhoea mauryae belongs to Mesorhoea' according to Rathbun 1919
- 'Mesorhoea sexspinosa belongs to Mesorhoea' according to Stimpson 1871
- 'Metacarcinus anthonyi belongs to Metacarcinus' according to Rathbun 1897
- 'Metacarcinus danai belongs to Metacarcinus' according to Natinos 1975
- 'Metacarcinus davidi belongs to Metacarcinus' according to Nations 1968
- 'Metacarcinus gracilis belongs to Metacarcinus' according to Dana 1852
- 'Metacarcinus granti belongs to Metacarcinus' according to Rathbun 1932
- 'Metacarcinus izumoensis belongs to Metacarcinus' according to Sakumoto et al. 1992
- 'Metacarcinus jenniferae belongs to Metacarcinus' according to Nations 1975
- 'Metacarcinus magister belongs to Metacarcinus' according to Dana 1852
- 'Metacarcinus minutoserratus belongs to Metacarcinus' according to Nagao 1940
- 'Metacarcinus novazelandiae belongs to Metacarcinus' according to Jacquinot 1853
- 'Metacarcinus starri belongs to Metacarcinus' according to Berglund and Goedert 1996
- 'Metacarcinus tenax belongs to Metacarcinus' according to Van Bakel et al. 2003
- 'Metanephrops belongs to Nephropidae'
- 'Metanephrops elongatus belongs to Metanephrops' according to Hu and Tao 2000
- 'Metanephrops jenkinsi belongs to Metanephrops' according to Feldmann 1989
- 'Metanephrops rossensis belongs to Metanephrops' according to Feldmann 1989
- 'Metopograpsus belongs to Grapsidae'
- 'Metopograpsus badenis belongs to Metopograpsus' according to Muller 2006
- 'Metopoxantho belongs to Xanthinae'
- 'Metopoxantho martini belongs to Metopoxantho' according to De Man 1904
- 'Meyeria belongs to Mecochiridae'
- 'Meyeria gracilis belongs to Meyeria' according to Glaessner 1932
- 'Meyeria ornata belongs to Meyeria' according to Phillips 1829
- 'Meyeria schwartzi belongs to Meyeria' according to Kitchin 1908
- 'Micheleidae belongs to Callianassoidea'
- 'Micippa belongs to Mithracinae'
- 'Micippa annamariae belongs to Micippa' according to Gatt and De Angeli 2010
- 'Micippa antiqua belongs to Micippa' according to Beschin et al. 2001
- 'Micippa hungarica belongs to Micippa' according to Lorenthey 1929
- 'Micippa thalia belongs to Micippa' according to Herbst 1803
- 'Microchela belongs to Penaeoidea'
- 'Microchela rostrata belongs to Microchela' according to Garassino 1994
- 'Microcorystes belongs to Decapoda'
- 'Microcorystes parvulus belongs to Microcorystes' according to Fritsch 1893
- 'Microdium belongs to Cancrinae'
- 'Microdium nodulosum belongs to Microdium' according to Reuss 1867
- 'Micromaia belongs to Micromaiinae'
- 'Micromaia elegans belongs to Micromaia' according to Beschin 1985
- 'Micromaia gulderritteri belongs to Micromaia' according to Bachmayer 1950
- 'Micromaia mainensis belongs to Micromaia' according to Beschin 1985
- 'Micromaia margaritata belongs to Micromaia' according to Fabiani 1910
- 'Micromaia meneguzzoi belongs to Micromaia' according to Beschin 1985
- 'Micromaia punctulata belongs to Micromaia' according to Lorenthey 1929
- 'Micromaia spinosa belongs to Micromaia' according to Noetling 1885
- 'Micromaia tuberculata belongs to Micromaia' according to Bittner 1875
- 'Micromaiinae belongs to Majidae'
- 'Micromithrax belongs to Corystidae'
- 'Micromithrax holsatica belongs to Micromithrax' according to Noetling 1881
- 'Micropanope belongs to Xanthinae'
- 'Micropanope nuttingi belongs to Micropanope' according to Rathbun 1898
- 'Micropanope pulcherrima belongs to Micropanope' according to Portell and Collins 2004
- 'Micropanope truncatifrons belongs to Micropanope' according to Rathbun 1898
- 'Micropenaeus belongs to Penaeoidea'
- 'Micropenaeus tenuirostris belongs to Micropenaeus' according to Bravi and Garassion 1998
- 'Micropsalis belongs to Palaemonidae'
- 'Micropsalis bolcensis belongs to Micropsalis' according to Schauroth 1865
- 'Micropsalis papyracea belongs to Micropsalis' according to Von Meyer 1859
- 'Mictyridae belongs to Ocypodoidea'
- 'Minohellenus belongs to Macropipidae'
- 'Minohellenus araucanus belongs to Minohellenus' according to Philippi 1887
- 'Minohellenus chichibuensis belongs to Minohellenus' according to Kato 1996
- 'Minohellenus inexpressus belongs to Minohellenus' according to C. Schweitzer and R. Feldmann 2002
- 'Minohellenus macrocheilus belongs to Minohellenus' according to Kato and Karasawa 1994
- 'Minohellenus minoensis belongs to Minohellenus' according to Karasawa 1990
- 'Minohellenus quinquedentatus belongs to Minohellenus' according to Karasawa 1990
- 'Minohellenus sexdentatus belongs to Minohellenus' according to Karasawa 1993
- 'Minohellenus umemotoi belongs to Minohellenus' according to Karasawa 1993
- 'Miocyclus belongs to Lobocarcininae'
- 'Miocyclus bulgaricus belongs to Miocyclus' according to Muller 1979
- 'Miograpsus belongs to Grapsidae'
- 'Miograpsus papaka belongs to Miograpsus' according to Fleming 1981
- 'Miopipus belongs to Carcinidae'
- 'Miopipus pygmeus belongs to Miopipus' according to Brocchi 1883
- 'Mioplax belongs to Chasmocarcininae'
- 'Mioplax socialis belongs to Mioplax' according to Bittner 1884
- 'Miosesarma belongs to Cyclograpsinae'
- 'Miosesarma japonicum belongs to Miosesarma' according to Karasawa 1989
- 'Miosesarma naguraense belongs to Miosesarma' according to Kato 1996
- 'Mioxaiva belongs to Caphyrinae'
- 'Mioxaiva psammophila belongs to Mioxaiva' according to Muller 1974
- 'Mithracia belongs to Micromaiinae'
- 'Mithracia hollandi belongs to Mithracia' according to Forster and Mundlos 1982
- 'Mithracia libinioides belongs to Mithracia' according to Bell 1858
- 'Mithracia margaritifera belongs to Mithracia' according to Beschin 1994
- 'Mithracia oppioni belongs to Mithracia' according to Larghi 2002
- 'Mithracia soavensis belongs to Mithracia' according to Beschin et al. 2010
- 'Mithracites belongs to Mithracitidae'
- 'Mithracites vectensis belongs to Mithracites' according to Gould 1859
- 'Mithracitidae belongs to Homoloidea'
- 'Mithraculus belongs to Mithracinae'
- 'Mithraculus forceps belongs to Mithraculus' according to A. Milne-Edwards 1875
- 'Mithraculus ruber belongs to Mithraculus' according to Stimpson 1871
- 'Mithrax donovani belongs to Mithrax' according to Portell and Collins 2004
- 'Mithrax hemphilli belongs to Mithrax' according to Rathbun 1892
- 'Mithrax hispidus belongs to Mithrax' according to Herbst 1790
- 'Mithrax spinosissimus belongs to Mithrax' according to Lamarck 1818
- 'Mithrax unguis belongs to Mithrax' according to Portell and Collins 2004
- 'Mithrax verrucosus belongs to Mithrax' according to H. Milne-Edwards 1832
- 'Monodaeus belongs to Euxanthinae'
- 'Monodaeus bortolottii belongs to Monodaeus' according to Delle Cave 1988
- 'Monodaeus couchii belongs to Monodaeus' according to Couch 1851
- 'Montezumella belongs to Cheiragonidae'
- 'Montezumella amenosi belongs to Montezumella' according to Via 1959
- 'Montezumella casayetensis belongs to Montezumella' according to Rathbun 1937
- 'Montezumella eichhorni belongs to Montezumella' according to C. Schweitzer and Salva 2000
- 'Montezumella elegans belongs to Montezumella' according to Lorenthey 1929
- 'Montezumella fraasi belongs to Montezumella' according to Lorenthey 1909
- 'Montezumella lamiensis belongs to Montezumella' according to Rathbun 1934
- 'Montezumella microporosa belongs to Montezumella' according to Portell and Collins 2002
- 'Montezumella pumicosa belongs to Montezumella' according to Beschin 2002
- 'Montezumella rutteni belongs to Montezumella' according to Van Straelen 1933
- 'Montezumella scabra belongs to Montezumella' according to Quayle and Collins 1981
- 'Montezumella tubulata belongs to Montezumella' according to Rathbun 1930
- 'Morscrangon belongs to Crangonidae'
- 'Morscrangon acutus belongs to Morscrangon' according to Garassino and Jakobsen 2005
- 'Muelleroplax belongs to Xanthoidea'
- 'Muelleroplax minima belongs to Muelleroplax' according to Muller and Collins 1991
- 'Muelleroplax miniscula belongs to Muelleroplax' according to Beschin et al. 2007
- 'Munida belongs to Galatheidae'
- 'Munida konara belongs to Munida' according to C. Schweitzer and R. Feldmann 2000
- 'Munida nishioi belongs to Munida' according to Karasawa 1993
- 'Munida ogaensis belongs to Munida' according to Hatai and Kotaka 1970
- 'Munida primaeva belongs to Munida' according to Segerberg 1900
- 'Munida quadroblonga belongs to Munida' according to C. Schweitzer and R. Feldmann 2000
- 'Munidopsis belongs to Galatheidae'
- 'Munidopsis foersteri belongs to Munidopsis' according to Feldmann 1993
- 'Munidopsis lieskovensis belongs to Munidopsis' according to Hyzny and Schlogl 2010
- 'Munidopsis scabrosa belongs to Munidopsis' according to R. Feldmann and Wilson 1988
- 'Munitheites belongs to Galatheidae'
- 'Munitheites palfyi belongs to Munitheites' according to Lorenthey 1929
- 'Mursia belongs to Calappidae'
- 'Mursia armata belongs to Mursia' according to De Haan 1837
- 'Mursia aspina belongs to Mursia' according to C. Schweitzer and R. Feldmann 2000
- 'Mursia australiensis belongs to Mursia' according to Campbell 1971
- 'Mursia bekenuensis belongs to Mursia' according to Collins 2003
- 'Mursia circularis belongs to Mursia' according to Karasawa 1989
- 'Mursia creutzbergi belongs to Mursia' according to Collins and Donovan 2004
- 'Mursia granulosa belongs to Mursia' according to Collins and Donovan 2002
- 'Mursia harnicari belongs to Mursia' according to Hyzny and Schlogl 2010
- 'Mursia lienharti belongs to Mursia' according to Bachmayer 1962
- 'Mursia macdonaldi belongs to Mursia' according to Rathbun 1918
- 'Mursia marcusana belongs to Mursia' according to Rathbun 1926
- 'Mursia minuta belongs to Mursia' according to Karasawa 1993
- 'Mursia obscura belongs to Mursia' according to Rathbun 1918
- 'Mursia simplex belongs to Mursia' according to Remy 1960
- 'Mursia takahashii belongs to Mursia' according to Imaizumi 1952
- 'Mursia yaquinensis belongs to Mursia' according to Rathbun 1926
- 'Mursilata belongs to Calappidae'
- 'Mursilata chuangi belongs to Mursilata' according to Hu and Tao 1996
- 'Mursilata kilmeri belongs to Mursilata' according to Hu 1981
- 'Mursilata tzengi belongs to Mursilata' according to Hu and Tao 1996
- 'Mursilia belongs to Calappidae'
- 'Mursilia ecristata belongs to Mursilia' according to Rathbun 1918
- 'Mursiopsis belongs to Calappidae'
- 'Mursiopsis pustulosus belongs to Mursiopsis' according to Ristori 1889
- 'Myra belongs to Ebaliinae'
- 'Myra affinis belongs to Myra' according to Bell 1855
- 'Myra amoena belongs to Myra' according to Bohm 1922
- 'Myra arachnoides belongs to Myra' according to Bohm 1922
- 'Myra brevisulcata belongs to Myra' according to Morris and Collins 1991
- 'Myra celeris belongs to Myra' according to Galil 2001
- 'Myra emarginata belongs to Myra' according to Glaessner 1928
- 'Myra fijiensis belongs to Myra' according to Rathbun 1934
- 'Myra paenitensis belongs to Myra' according to Via 1941
- 'Myra subcarinata belongs to Myra' according to Morris and Collins 1991
- 'Myra trispinosa belongs to Myra' according to Morris and Collins 1991
- 'Myra wenjii belongs to Myra' according to Hu and Tao 1985
- 'Nanocassiope belongs to Xanthinae'
- 'Nanocassiope alcocki belongs to Nanocassiope' according to Rathbun 1902
- 'Nanomaja belongs to Epialtinae'
- 'Nanomaja simplex belongs to Nanomaja' according to Muller and Collins 1991
- 'Nanoplax belongs to Pseudorhombilidae'
- 'Nanoplax xanthiformis belongs to Nanoplax' according to A. Milne-Edwards 1880
- 'Necora belongs to Macropipidae'
- 'Necora puber belongs to Necora' according to Linnaeus 1767
- 'Necrocarcinidae belongs to Raninoidea'
- 'Necrocarcinus belongs to Necrocarcinidae'
- 'Necrocarcinus angelicus belongs to Necrocarcinus' according to Fraaije 2002
- 'Necrocarcinus avicularis belongs to Necrocarcinus' according to Fritsch and Kafka 1887
- 'Necrocarcinus bispinosus belongs to Necrocarcinus' according to Segerberg 1900
- 'Necrocarcinus bodrakensis belongs to Necrocarcinus' according to Levitski 1974
- 'Necrocarcinus carinatus belongs to Necrocarcinus' according to R. Feldmann et al. 1993
- 'Necrocarcinus davisi belongs to Necrocarcinus' according to Bishop 1985
- 'Necrocarcinus inornatus belongs to Necrocarcinus' according to Breton and Collins 2010
- 'Necrocarcinus insignis belongs to Necrocarcinus' according to Segerberg 1900
- 'Necrocarcinus labeschei belongs to Necrocarcinus' according to Eudes-Deslongchamps 1835
- 'Necrocarcinus olsonorum belongs to Necrocarcinus' according to Bishop and Williams 1991
- 'Necrocarcinus olssoni belongs to Necrocarcinus' according to Rathbun 1937
- 'Necrocarcinus ornatissimus belongs to Necrocarcinus' according to Forir 1887
- 'Necrocarcinus perlatus belongs to Necrocarcinus' according to Fritsch and Kafka 1887
- 'Necrocarcinus pierrensis belongs to Necrocarcinus' according to Rathbun 1917
- 'Necrocarcinus rathbunae belongs to Necrocarcinus' according to Roberts 1962
- 'Necrocarcinus senonensis belongs to Necrocarcinus' according to Schluter 1868
- 'Necrocarcinus tauricus belongs to Necrocarcinus' according to Ilyin and Alekseev 1998
- 'Necrocarcinus texensis belongs to Necrocarcinus' according to Rathbun 1935
- 'Necrocarcinus undecimtuberculatus belongs to Necrocarcinus' according to Takeda and Fujiyama 1983
- 'Necrocarcinus woodwardi belongs to Necrocarcinus' according to Bell 1862
- 'Necrocarcinus wrighti belongs to Necrocarcinus' according to R. Feldmann et al. 1993
- 'Necronectes belongs to Necronectinae'
- 'Necronectes batalleri belongs to Necronectes' according to Via 1932
- 'Necronectes beaumonti belongs to Necronectes' according to A. Milne-Edwards 1864
- 'Necronectes catalaunicus belongs to Necronectes' according to Via 1941
- 'Necronectes iranensis belongs to Necronectes' according to Toraby and Yazdi 2002
- 'Necronectes nodosus belongs to Necronectes' according to C. Schweitzer and R. Feldmann 2002
- 'Necronectes proavitus belongs to Necronectes' according to Rathbun 1918
- 'Necronectes schafferi belongs to Necronectes' according to Glaessner 1928
- 'Necronectes summus belongs to Necronectes' according to Collins and Donovan 1995
- 'Necronectes vicksburgensis belongs to Necronectes' according to Stenzel 1935
- 'Necronectes vidalianus belongs to Necronectes' according to A. Milne-Edwards 1881
- 'Necronectinae belongs to Portunidae'
- 'Necronectinae drydeni belongs to Necronectinae' according to Rathbun 1935
- 'Nematocarcinidae belongs to Nematocarcinoidea'
- 'Nematocarcinoidea belongs to Caridea'
- 'Nemausa belongs to Mithracinae'
- 'Nemausa acuticornis belongs to Nemausa' according to Stimpson 1870
- 'Neocallichirus allegranzii belongs to Neocallichirus' according to Beschin 2005
- 'Neocallichirus bona belongs to Neocallichirus' according to Imaizumi 1959
- 'Neocallichirus borensis belongs to Neocallichirus' according to Beschin 2006
- 'Neocallichirus dijki belongs to Neocallichirus' according to Martin 1883
- 'Neocallichirus fortisi belongs to Neocallichirus' according to Beschin 2002
- 'Neocallichirus hattai belongs to Neocallichirus' according to Karasawa and Nakagawa 2010
- 'Neocallichirus matsoni belongs to Neocallichirus' according to Rathbun 1935
- 'Neocallichirus nishikawai belongs to Neocallichirus' according to Karasawa 1993
- 'Neocallichirus okamotoi belongs to Neocallichirus' according to Karasawa 1993
- 'Neocallichirus peraensis belongs to Neocallichirus' according to Collins 1996
- 'Neocallichirus porterensis belongs to Neocallichirus' according to Rathbun 1926
- 'Neocallichirus rodfeldmanni belongs to Neocallichirus' according to Hyzny et al. 2003
- 'Neocallichirus sakiae belongs to Neocallichirus' according to Karasawa and Fudouji 2000
- 'Neocallichirus vaughani belongs to Neocallichirus' according to Rathbun 1918
- 'Neocallichirus wellsi belongs to Neocallichirus' according to C. Schweitzer et al. 2004
- 'Neodorippe belongs to Dorippidae'
- 'Neodorippe carpathica belongs to Neodorippe' according to Forster 1979
- 'Neoliomera belongs to Liomerinae'
- 'Neoliomera insularis belongs to Neoliomera' according to Adams and White 1849
- 'Neoliomera intermedia belongs to Neoliomera' according to Odhner 1925
- 'Neoliomera kuohwai belongs to Neoliomera' according to Hu 1981
- 'Neoliomera paleogenica belongs to Neoliomera' according to Beschin et al. 2007
- 'Neoliomera pubescens belongs to Neoliomera' according to H. Milne-Edwards 1834
- 'Neoliomera richteroides belongs to Neoliomera' according to Sakai 1969
- 'Neomeria belongs to Liomerinae'
- 'Neomeria lelingae belongs to Neomeria' according to Hu 1981
- 'Neosarmatium belongs to Sesarmidae'
- 'Neosarmatium smithi belongs to Neosarmatium' according to H. Milne-Edwards 1853
- 'Neotrypaea belongs to Callianassidae'
- 'Neotrypaea gigas belongs to Neotrypaea' according to Dana 1852
- 'Neozanthopsis achalzicus belongs to Neozanthopsis' according to Bittner 1882
- 'Neozanthopsis americanus belongs to Neozanthopsis' according to Rathbun 1928
- 'Neozanthopsis bruckmanni belongs to Neozanthopsis' according to Von Meyer 1862
- 'Neozanthopsis carolinensis belongs to Neozanthopsis' according to Rathbun 1935
- 'Neozanthopsis rathbunae belongs to Neozanthopsis' according to Stenzel 1934
- 'Neozanthopsis sonthofenensis belongs to Neozanthopsis' according to Von Meyer 1862
- 'Nephropoidea belongs to Astacidea'
- 'Nephrops belongs to Nephropidae'
- 'Nephrops aequus belongs to Nephrops' according to Rathbun 1920
- 'Nephrops americanus belongs to Nephrops' according to Rathbun 1935
- 'Nephrops costatus belongs to Nephrops' according to Rathbun 1918
- 'Nephrops geoffroyi belongs to Nephrops' according to Robineae-Desvoidy 1849
- 'Nephrops kvistgaardae belongs to Nephrops' according to Fraaije et al. 2005
- 'Nephrops naoensis belongs to Nephrops' according to Rathbun 1920
- 'Nephrops reedi belongs to Nephrops' according to Carter 1898
- 'Nephropsis belongs to Nephropidae'
- 'Nephropsis midwayensis belongs to Nephropsis' according to Rathbun 1935
- 'Nephropsis stewarti belongs to Nephropsis' according to Wood Mason 1873
- 'Neptocarcinus belongs to Carupinae'
- 'Neptocarcinus millenarus belongs to Neptocarcinus' according to Lorenthey 1898
- 'Nipponopon belongs to Prosopidae'
- 'Nipponopon hasegawai belongs to Nipponopon' according to Karasawa et al. 2006
- 'Nitotacarcinus antipodes belongs to Nitotacarcinus'
- 'Nitotacarcinus bituberculatus belongs to Nitotacarcinus' according to Collins and Jakobsen 2003
- 'Nitotacarcinus canadensis belongs to Nitotacarcinus' according to C. Schweitzer et al. 2009
- 'Nobilum belongs to Dorippidae'
- 'Nobilum wenchii belongs to Nobilum' according to Hu and Tao 1996
- 'Nodoprosopon belongs to Nodoprosopidae'
- 'Noetlingicarcinus belongs to Basinotopidae'
- 'Noetlingicarcinus claudiopolitana belongs to Noetlingicarcinus' according to Bittner 1893
- 'Noetlingicarcinus succini belongs to Noetlingicarcinus' according to Noetling 1885
- 'Noetlingicarcinus veronensis belongs to Noetlingicarcinus' according to Bittner 1886
- 'Nogarolia belongs to Xanthidae'
- 'Nogarolia mirabilis belongs to Nogarolia' according to Beschin et al. 1994
- 'Notiodromia belongs to Homolodromiidae'
- 'Notiodromia australis belongs to Notiodromia' according to Feldmann et al. 1993
- 'Notiodromia novaezelandica belongs to Notiodromia' according to Feldmann 1993
- 'Notocarcinus belongs to Cancrinae'
- 'Notocarcinus sulcatus belongs to Notocarcinus' according to C. Schweitzer and R. Feldmann 2000
- 'Notomithrax belongs to Majinae'
- 'Notomithrax allani belongs to Notomithrax' according to Feldmann and Maxwell 1990
- 'Notomithrax angustifrons belongs to Notomithrax' according to Jenkins 1985
- 'Notopocorystes belongs to Palaeocorystidae'
- 'Notopocorystes beyrichi belongs to Notopocorystes' according to Bittner 1875
- 'Notopocorystes bituberculatus belongs to Notopocorystes' according to Secretan 1964
- 'Notopocorystes callianassarum belongs to Notopocorystes' according to Fritsch and Kafka 1887
- 'Notopocorystes exiguus belongs to Notopocorystes' according to Glaessner 1980
- 'Notopocorystes fritschi belongs to Notopocorystes' according to Glaessner 1929
- 'Notopocorystes japonicus belongs to Notopocorystes' according to Jimbo 1894
- 'Notopocorystes normani belongs to Notopocorystes' according to Bell 1963
- 'Notopocorystes parvus belongs to Notopocorystes' according to Rathbun 1935
- 'Notopocorystes punctatus belongs to Notopocorystes' according to Rathbun 1935
- 'Notopocorystes ripleyensis belongs to Notopocorystes' according to Rathbun 1935
- 'Notopocorystes stokesii belongs to Notopocorystes' according to Mantell 1844
- 'Notopocorystes xizangensis belongs to Notopocorystes' according to Wang 1981
- 'Notopodinae belongs to Palaeocorystidae'
- 'Notopoides belongs to Raninoidinae'
- 'Notopoides exiguus belongs to Notopoides' according to Beschin et al. 1988
- 'Notopoides pflugervillensis belongs to Notopoides' according to Beikirch and R. Feldmann 1980
- 'Notopoides verbeeki belongs to Notopoides' according to Bohm 1922
- 'Notopus belongs to Notopodinae'
- 'Notopus beyrichi belongs to Notopus' according to Bittner 1875
- 'Notopus dorsipes belongs to Notopus' according to Linnaeus 1758
- 'Notopus minutus belongs to Notopus' according to Vega and Cosma 2001
- 'Notosceles belongs to Raninoidinae'
- 'Notosceles serratifrons belongs to Notosceles' according to Henderson 1893
- 'Nucia belongs to Ebaliinae'
- 'Nucia baripadensis belongs to Nucia' according to Bachmayer and Mohanti 1973
- 'Nucia borneoensis belongs to Nucia' according to Morris and Collins 1991
- 'Nucia calculoides belongs to Nucia' according to Morris and Collins 1991
- 'Nucia coxi belongs to Nucia' according to Morris and Collins 1991
- 'Nucia fennemai belongs to Nucia' according to Bohm 1922
- 'Nucia platyspinosa belongs to Nucia' according to Collins 2003
- 'Nucia speciosa belongs to Nucia' according to Dana 1852
- 'Nucilobus belongs to Leucosiidae'
- 'Nucilobus bericus belongs to Nucilobus' according to De Angeli and Beschin 2004
- 'Nucilobus symmetricus belongs to Nucilobus' according to Morris and Collins 1991
- 'Oakucudae belongs to Palicoidea'
- 'Ocalina floridana belongs to Ocalina' according to Rathbun 1929
- 'Ocalina haldixoni belongs to Ocalina' according to Collins and Donovan 2006
- 'Ocalina straeleni belongs to Ocalina' according to Remy 1954
- 'Ocalina sublevis belongs to Ocalina' according to Collins and Donovan 2005
- 'Ocypode belongs to Ocypodinae'
- 'Ocypode africana belongs to Ocypode' according to De Man 1881
- 'Ocypode cursor belongs to Ocypode' according to Linnaeus 1758
- 'Ocypode italica belongs to Ocypode' according to Garassino et al. 2010
- 'Ocypode quadrata belongs to Ocypode' according to Fabricius 1787
- 'Ocypodidae belongs to Ocypodoidea'
- 'Ocypodinae belongs to Ocypodidae'
- 'Ocypodoidea belongs to Brachyura'
- 'Odontochelion belongs to Procaridoidea'
- 'Odontochelion cretaceum belongs to Odontochelion' according to Roger 1946
- 'Oedisoma belongs to Decapoda'
- 'Oedisoma ambiguum belongs to Oedisoma' according to Bell 1858
- 'Ogyrididae belongs to Alpheoidea'
- 'Olinaecaris belongs to Decapoda'
- 'Olinaecaris carinatus belongs to Olinaecaris' according to Van Straelen 1924
- 'Ommatocarcinus belongs to Goneplacidae'
- 'Ommatocarcinus sankuei belongs to Ommatocarcinus' according to Hu and Tao 2004
- 'Ommatocarcinus taiwanicus belongs to Ommatocarcinus' according to Hu and Tao 1996
- 'Oncopareia belongs to Thaumastochelidae'
- 'Oncopareia belgicus belongs to Oncopareia' according to Forir 1887
- 'Oncopareia biseralis belongs to Oncopareia' according to Fritsch and Kafka 1887
- 'Oncopareia coesfeldiensis belongs to Oncopareia' according to Schluter 1862
- 'Oncopareia cookei belongs to Oncopareia' according to Rathbun 1935
- 'Oncopareia cultellus belongs to Oncopareia' according to Rathbun 1935
- 'Oncopareia dentatus belongs to Oncopareia' according to Rathbun 1935
- 'Oncopareia esocinus belongs to Oncopareia' according to Fritsch and Kafka 1887
- 'Oncopareia inaequidens belongs to Oncopareia' according to Pelseneer 1886
- 'Oncopareia klintebjergensis belongs to Oncopareia' according to Jakobsen and Collins 1979
- 'Oncopareia lunatus belongs to Oncopareia' according to Fritsch and Kafka 1887
- 'Oncopareia macrodactylus belongs to Oncopareia' according to Schluter 1862
- 'Oncopareia numcki belongs to Oncopareia' according to Pelseneer 1886
- 'Oncopareia parvulus belongs to Oncopareia' according to Fritsch and Kafka 1887
- 'Oncopareia pectiniformis belongs to Oncopareia' according to Bohm 1891
- 'Oncopareia sendenhorstensis belongs to Oncopareia' according to Schluter 1862
- 'Oncopareia texanus belongs to Oncopareia' according to Rathbun 1935
- 'Oonoton woodsi belongs to Oonoton' according to Glaessner 1980
- 'Ophthalmoplax belongs to Macropipidae'
- 'Ophthalmoplax brasiliana belongs to Ophthalmoplax' according to Maury 1930
- 'Ophthalmoplax minimus belongs to Ophthalmoplax' according to Osso-Morales et al. 2010
- 'Ophthalmoplax spinosus belongs to Ophthalmoplax' according to R. Feldmann 1999
- 'Ophthalmoplax stephensoni belongs to Ophthalmoplax' according to Rathbun 1935
- 'Ophthalmoplax triambonatus belongs to Ophthalmoplax' according to R. Feldmann and Villamil 2002
- 'Oplophoridae belongs to Oplophoroidea'
- 'Oplophoroidea belongs to Caridea'
- 'Oplophorus belongs to Oplophoridae'
- 'Oplophorus marcki belongs to Oplophorus' according to Schluter 1868
- 'Oplophorus rosselli belongs to Oplophorus' according to Via 1971
- 'Oplophorus syriacus belongs to Oplophorus' according to Roger 1946
- 'Orbitoplax belongs to Euryplacidae'
- 'Orbitoplax aldersoni belongs to Orbitoplax' according to Squires 1980
- 'Orbitoplax plafkeri belongs to Orbitoplax' according to Tucker and R. Feldmann 1990
- 'Orbitoplax tuckerae belongs to Orbitoplax' according to C. Schweitzer 2000
- 'Orbitoplax weaveri belongs to Orbitoplax' according to Rathbun 1926
- 'Oregonia belongs to Oregoniidae'
- 'Oregoniidae belongs to Majoidea'
- 'Orhomalus arabicus belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus astartinus belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus corallinus belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus deformis belongs to Orhomalus' according to Oppel 1862
- 'Orhomalus deslongchampsi belongs to Orhomalus' according to Hee 1924
- 'Orhomalus jaccardi belongs to Orhomalus' according to Tribolet 1873
- 'Orhomalus macrochirus belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus magnificus belongs to Orhomalus' according to Cronier and Courville 2004
- 'Orhomalus medericki belongs to Orhomalus' according to Cronier and Bouriscot 2009
- 'Orhomalus oppeli belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus oxfordensis belongs to Orhomalus' according to Hee 1924
- 'Orhomalus pidauceti belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus portlandicus belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus rotulensis belongs to Orhomalus' according to De Gregorio 1884
- 'Orhomalus thierachensis belongs to Orhomalus' according to Fischer 1969
- 'Orhomalus tombecki belongs to Orhomalus' according to Tribolet 1875
- 'Orhomalus verrucosus belongs to Orhomalus' according to Etallon 1861
- 'Orhomalus virgulinus belongs to Orhomalus' according to Etallon 1861
- 'Orithopsidae belongs to Dorippoidea'
- 'Orithopsis bonneyi belongs to Orithopsis' according to Carter 1872
- 'Orithopsis tricarinatus belongs to Orithopsis' according to Woodward 1868
- 'Orithyiidae belongs to Dorippoidea'
- 'Orthakrolophos belongs to Chasmocarcininae'
- 'Orthakrolophos bartonensis belongs to Orthakrolophos' according to Quayle and Collins 1981
- 'Orthakrolophos bittneri belongs to Orthakrolophos' according to Morris and Collins 1991
- 'Orthakrolophos depressus belongs to Orthakrolophos' according to Quayle and Collins 1981
- 'Osachila berica belongs to Osachila' according to De Angeli and Beschin 1999
- 'Osachila tiechi belongs to Osachila' according to Studer 1898
- 'Ovalipes belongs to Polybiinae'
- 'Ovalipes formosanus belongs to Ovalipes' according to Hu and Tao 1996
- 'Ovalipes punctatus belongs to Ovalipes' according to De Haan 1833
- 'Ovamene belongs to Dromioidea'
- 'Ovamene franciae belongs to Ovamene' according to Muller and Collins 1991
- 'Ovocarcinus belongs to Gastrodoroidea'
- 'Ovocarcinus elongatus belongs to Ovocarcinus' according to Muller and Collins 1991
- 'Oziidae belongs to Eriphioidea'
- 'Ozius belongs to Oziidae'
- 'Ozius collinsi belongs to Ozius' according to Karasawa 1992
- 'Pachycheles belongs to Porcellanidae'
- 'Pachycheles dorsosulcatus belongs to Pachycheles' according to Beschin et al. 2007
- 'Pachycheles latus belongs to Pachycheles' according to Rathbun 1918
- 'Pachycheles stevensii belongs to Pachycheles' according to Stimpson 1858
- 'Pachygrapsus belongs to Grapsidae'
- 'Pachygrapsus hungaricus belongs to Pachygrapsus' according to Muller 1974
- 'Pacifastacus belongs to Astacoidea'
- 'Pacifastacus chenoderma belongs to Pacifastacus' according to Cope 1871
- 'Paguridae belongs to Paguroidea'
- 'Paguristes belongs to Diogenidae'
- 'Paguristes baldoensis belongs to Paguristes' according to Garassino et al. 2009
- 'Paguristes chipolensis belongs to Paguristes' according to Rathbun 1935
- 'Paguristes cserhatensis belongs to Paguristes' according to Muller 1984
- 'Paguristes extentus belongs to Paguristes' according to Beschin et al. 2007
- 'Paguristes florae belongs to Paguristes' according to Collins 1995
- 'Paguristes hokoensis belongs to Paguristes' according to C. Schweitzer and R. Feldmann 2001
- 'Paguristes johnsoni belongs to Paguristes' according to Rathbun 1935
- 'Paguristes lineatuberculatus belongs to Paguristes' according to Beschin 2006
- 'Paguristes santamartaensis belongs to Paguristes' according to Feldmann et al. 1993
- 'Paguristes subaequalis belongs to Paguristes' according to Rathbun 1926
- 'Paguristes wheeleri belongs to Paguristes' according to Blow and Manning 1996
- 'Paguristes whitteni belongs to Paguristes' according to Bishop 1983
- 'Paguroidea belongs to Anomura'
- 'Pagurus belongs to Paguridae'
- 'Pagurus alabamensis belongs to Pagurus' according to Rathbun 1935
- 'Pagurus alatoides belongs to Pagurus' according to Philippe and Secretan 1971
- 'Pagurus arrosor belongs to Pagurus' according to Herbst 1974
- 'Pagurus avellanedae belongs to Pagurus' according to Via 1951
- 'Pagurus banderensis belongs to Pagurus' according to Rathbun 1935
- 'Pagurus concavus belongs to Pagurus' according to Muller 1978
- 'Pagurus constans belongs to Pagurus' according to Stimpson 1858
- 'Pagurus dubius belongs to Pagurus' according to Noetling 1885
- 'Pagurus granosimanus belongs to Pagurus' according to Stimpson 1862
- 'Pagurus langei belongs to Pagurus' according to Collins and Jakobsen 2003
- 'Pagurus malloryi belongs to Pagurus' according to C. Schweitzer and R. Feldmann 2001
- 'Pagurus manzonii belongs to Pagurus' according to Ristori 1888
- 'Pagurus marceti belongs to Pagurus' according to Via 1959
- 'Pagurus marini belongs to Pagurus' according to Via 1959
- 'Pagurus megalops belongs to Pagurus' according to Stimpson 1858
- 'Pagurus pectinatus belongs to Pagurus' according to Stimpson 1858
- 'Pagurus rakosensis belongs to Pagurus' according to Muller 1978
- 'Pagurus similis belongs to Pagurus' according to Ortmann 1892
- 'Pagurus squamosus belongs to Pagurus' according to Ristori 1886
- 'Pagurus travisensis belongs to Pagurus' according to Stenzel 1945
- 'Pagurus tuberculosus belongs to Pagurus' according to Harvey 1998
- 'Pagurus turcus belongs to Pagurus' according to Muller 1984
- 'Paki belongs to Micheleidae'
- 'Paki rurkonsimpu belongs to Paki' according to Karasawa and Hayakawa 2000
- 'Pakicarcinus belongs to Panopeidae'
- 'Pakicarcinus orientalis belongs to Pakicarcinus' according to Collins and Morris 1978
- 'Pakicarcinus whittenesis belongs to Pakicarcinus' according to Glaessner 1980
- 'Palaeastacus belongs to Erymidae'
- 'Palaeastacus cenomaniensis belongs to Palaeastacus' according to Hee 1924
- 'Palaeastacus decoratus belongs to Palaeastacus' according to Frentzen 1937
- 'Palaeastacus deslongchampsi belongs to Palaeastacus' according to Van Straelen 1924
- 'Palaeastacus dixoni belongs to Palaeastacus' according to Bell 1850
- 'Palaeastacus edwardsi belongs to Palaeastacus' according to Etallon 1861
- 'Palaeastacus falsani belongs to Palaeastacus' according to Dumortier 1867
- 'Palaeastacus foersteri belongs to Palaeastacus' according to Taylor 1979
- 'Palaeastacus fuciformis belongs to Palaeastacus' according to Schlotheim 1822
- 'Palaeastacus kimzeyi belongs to Palaeastacus' according to Rathbun 1935
- 'Palaeastacus macrodactylus belongs to Palaeastacus' according to Bell 1850
- 'Palaeastacus ornatus belongs to Palaeastacus' according to Whiteaves 1887
- 'Palaeastacus plavensis belongs to Palaeastacus' according to Geinitz 1875
- 'Palaeastacus poeschli belongs to Palaeastacus' according to Schweigert and Roper 2001
- 'Palaeastacus rothgaenegerae belongs to Palaeastacus' according to Schweigert and Roper 2001
- 'Palaeastacus scaber belongs to Palaeastacus' according to Bell 1863
- 'Palaeastacus selmaensis belongs to Palaeastacus' according to Rathbun 1935
- 'Palaeastacus spinosus belongs to Palaeastacus' according to Etallon 1861
- 'Palaeastacus sussexiensis belongs to Palaeastacus' according to Mantell 1833
- 'Palaeastacus terraereginae belongs to Palaeastacus' according to Etheridge 1914
- 'Palaeastacus triglyptus belongs to Palaeastacus' according to Stenzel 1945
- 'Palaeastacus trisulcatus belongs to Palaeastacus' according to Schweitzer and Feldmann 2001
- 'Palaeastacus walkeri belongs to Palaeastacus' according to Whitfield 1883
- 'Palaemon belongs to Palaemonidae'
- 'Palaemon bahiaensis belongs to Palaemon' according to Beurlen 1950
- 'Palaemon exul belongs to Palaemon' according to Frotscj 1872
- 'Palaemon fabricii belongs to Palaemon' according to Michelotti 1861
- 'Palaemon mortuus belongs to Palaemon' according to Smirnov 1929
- 'Palaemon vesolensis belongs to Palaemon' according to Bravi 1999
- 'Palaemonidae belongs to Palaemonoidea'
- 'Palaemonoidea belongs to Caridea'
- 'Palaeocambarus belongs to Cambaridae'
- 'Palaeocambarus licenti belongs to Palaeocambarus' according to Van Straelen 1928
- 'Palaeocarpilius aquitanicus belongs to Palaeocarpilius' according to A. Milne-Edwards 1862
- 'Palaeocarpilius ignotus belongs to Palaeocarpilius' according to A. Milne-Edwards 1862
- 'Palaeocarpilius intermedius belongs to Palaeocarpilius' according to Stubblefield 1927
- 'Palaeocarpilius laevis belongs to Palaeocarpilius' according to Imaizumi 1939
- 'Palaeocarpilius macrocheilus belongs to Palaeocarpilius' according to Desmarest 1822
- 'Palaeocarpilius mississippiensis belongs to Palaeocarpilius' according to Rathbun 1935
- 'Palaeocarpilius rugifer belongs to Palaeocarpilius' according to Stoliczka 1871
- 'Palaeocarpilius valrovinensis belongs to Palaeocarpilius' according to De Gregorio 1895
- 'Palaeocorystidae belongs to Raninoidea'
- 'Palaeodromites belongs to Goniodromitidae'
- 'Palaeoechinastacus belongs to Parastacidae'
- 'Palaeoechinastacus australianus belongs to Palaeoechinastacus' according to Martin 2008
- 'Palaeograpsus belongs to Eucratopsinae'
- 'Palaeograpsus inflatus belongs to Palaeograpsus' according to Bittner 1875
- 'Palaeomunida belongs to Galatheidae'
- 'Palaeomunida defecta belongs to Palaeomunida' according to Lorenthey 1902
- 'Palaeomunida moesica belongs to Palaeomunida' according to Muiu and Badalu 1971
- 'Palaeomunida multicristata belongs to Palaeomunida' according to De Angeli and Garassino 2002
- 'Palaeomunidopsis belongs to Galatheidae'
- 'Palaeomunidopsis moutieri belongs to Palaeomunidopsis' according to Van Straelen 1923
- 'Palaeomyra belongs to Leucosiidae'
- 'Palaeomyra bispinosa belongs to Palaeomyra' according to A. Milne-Edwards 1861
- 'Palaeomyra globulosa belongs to Palaeomyra' according to Muller 1976
- 'Palaeonephrops belongs to Nephropidae'
- 'Palaeonephrops westoni belongs to Palaeonephrops' according to Woodward 1901
- 'Palaeopagurus belongs to Paguridae'
- 'Palaeopagurus acutus belongs to Palaeopagurus' according to Cronier and Courville 2004
- 'Palaeopagurus cretaceous belongs to Palaeopagurus' according to Mertin 1941
- 'Palaeopagurus deslongchampsi belongs to Palaeopagurus' according to Van Straelen 1924
- 'Palaeopagurus guilleaumei belongs to Palaeopagurus' according to Van Straelen 1924
- 'Palaeopagurus jurensis belongs to Palaeopagurus' according to Etallon 1861
- 'Palaeopagurus kellowiensis belongs to Palaeopagurus' according to Etallon 1861
- 'Palaeopagurus laevis belongs to Palaeopagurus' according to Van Straelen 1924
- 'Palaeopagurus morinicus belongs to Palaeopagurus' according to Sauvage 1891
- 'Palaeopagurus neraudeaui belongs to Palaeopagurus' according to Cronier and Courville 2004
- 'Palaeopagurus pilsbryi belongs to Palaeopagurus' according to Roberts 1962
- 'Palaeopagurus quadratus belongs to Palaeopagurus' according to Van Straelen 1924
- 'Palaeopagurus rumignyensis belongs to Palaeopagurus' according to Fischer 1969
- 'Palaeopagurus serialis belongs to Palaeopagurus' according to Carter 1886
- 'Palaeopagurus spinosus belongs to Palaeopagurus' according to Van Straelen 1924
- 'Palaeopagurus tuberculatus belongs to Palaeopagurus' according to Van Straelen 1924
- 'Palaeopalaemon belongs to Palaeopalaemonidae'
- 'Palaeopalaemon newberryi belongs to Palaeopalaemon' according to Whitfield 1880
- 'Palaeopalaemonidae belongs to Palaeopalaemonoidea'
- 'Palaeopalaemonoidea belongs to Astacidea'
- 'Palaeopalinurus belongs to Palinuridae'
- 'Palaeopalinurus glaessneri belongs to Palaeopalinurus' according to Bachmayer 1954
- 'Palaeopentacheles belongs to Palaeopentachelidae'
- 'Palaeopentacheles roettenbacheri belongs to Palaeopentacheles' according to Munster 1839
- 'Palaeopentacheles starri belongs to Palaeopentacheles' according to C. Schweitzer and R. Feldmann 2001
- 'Palaeopentachelidae belongs to Eryonoidea'
- 'Palaeophoberus belongs to Chilenophoberidae'
- 'Palaeophoberus portlandicus belongs to Palaeophoberus' according to Roger and de Lapparent 1945
- 'Palaeophoberus suevicus belongs to Palaeophoberus' according to Quenstedt 1867
- 'Palaeopinnixa alontensis belongs to Palaeopinnixa' according to De Angeli et al. 2010
- 'Palaeopinnixa eocenica belongs to Palaeopinnixa' according to Woods 1922
- 'Palaeopinnixa granulosa belongs to Palaeopinnixa' according to C. Schweitzer and R. Feldmann 2002
- 'Palaeopinnixa heckeri belongs to Palaeopinnixa' according to Birshtein 1956
- 'Palaeopinnixa intermedia belongs to Palaeopinnixa' according to Collins and Morris 1976
- 'Palaeopinnixa mytilicola belongs to Palaeopinnixa' according to Via 1966
- 'Palaeopinnixa perornata belongs to Palaeopinnixa' according to Collins and Morris 1976
- 'Palaeopinnixa prima belongs to Palaeopinnixa' according to Rathbun 1918
- 'Palaeopinnixa rocaensis belongs to Palaeopinnixa' according to R. Feldmann and Casadio 1995
- 'Palaeopinnixa rotunda belongs to Palaeopinnixa' according to C. Schweitzer and R. Feldmann 2001
- 'Palaeopsopheticus belongs to Euryplacidae'
- 'Palaeopsopheticus shujenae belongs to Palaeopsopheticus' according to Hu and Tao 1996
- 'Palaeotrichia belongs to Atelecyclidae'
- 'Palaeotrichia laevis belongs to Palaeotrichia' according to Noetling 1885
- 'Palaeotrichia multispinata belongs to Palaeotrichia' according to Noetling 1885
- 'Palaeoxantho belongs to Palaeoxanthopsidae'
- 'Palaeoxantho libertiensis belongs to Palaeoxantho' according to Bishop 1986
- 'Palaeoxanthops belongs to Xanthinae'
- 'Palaeoxanthops minutus belongs to Palaeoxanthops' according to Karasawa 1993
- 'Palaeoxanthops okumurai belongs to Palaeoxanthops' according to Karasawa 1993
- 'Palaeoxanthopsis cretacea belongs to Palaeoxanthopsis' according to Rathbun 1902
- 'Palaeoxanthopsis meyapaquensis belongs to Palaeoxanthopsis' according to Vega and Feldmann 2001
- 'Palehomola belongs to Homolodromiidae'
- 'Palehomola gorrelli belongs to Palehomola' according to Rathbun 1926
- 'Paleocambararus belongs to Cambaridae'
- 'Paleomattea belongs to Sergestoidea'
- 'Paleomattea deliciosa belongs to Paleomattea' according to Maisey and De Carvalho 1995
- 'Palibacus belongs to Scyllaridae'
- 'Palibacus praecursor belongs to Palibacus' according to Dames 1886
- 'Palicidae belongs to Palicoidea'
- 'Palicoidea belongs to Brachyura'
- 'Palicus belongs to Palicidae'
- 'Palicus hungaricus belongs to Palicus' according to Muller 2006
- 'Palinuridae belongs to Palinuroidea'
- 'Palinurina belongs to Palinuridae'
- 'Palinurina longipes belongs to Palinurina' according to Munster 1839
- 'Palinurina tenera belongs to Palinurina' according to Oppel 1862
- 'Palinurus belongs to Palinuridae'
- 'Palmyria palmyrensis belongs to Palmyria' according to Rathbun 1923
- 'Pandaloidea belongs to Caridea'
- 'Pandalus belongs to Pandalidae'
- 'Pandalus orientalis belongs to Pandalus' according to Niino 1951
- 'Panopeidae orientalis belongs to Panopeidae' according to Collins and Morris 1978
- 'Panopeinae belongs to Panopeidae'
- 'Panopeus belongs to Panopeinae'
- 'Panopeus antepurpureus belongs to Panopeus' according to Rathbun 1918
- 'Panopeus baldwini belongs to Panopeus' according to Kooser and Orr 1973
- 'Panopeus bessmanni belongs to Panopeus' according to Collins and Jakobsen 2003
- 'Panopeus bolcensis belongs to Panopeus' according to Secretan 1975
- 'Panopeus capanemaensis belongs to Panopeus' according to Martins-Neto 2001
- 'Panopeus estellensis belongs to Panopeus' according to Rathnbun 1935
- 'Panopeus granulineatus belongs to Panopeus' according to Muller and Collins 1991
- 'Panopeus herbstii belongs to Panopeus' according to H. Milne-Edwards 1834
- 'Panopeus incisus belongs to Panopeus' according to Beschin et al. 2007
- 'Panopeus jerseyensis belongs to Panopeus' according to Roberts 1986
- 'Panopeus lauensis belongs to Panopeus' according to Rathbun 1945
- 'Panopeus muelleri belongs to Panopeus' according to Gatt and De Angeli 2010
- 'Panopeus nanus belongs to Panopeus' according to Portell and Collins 2004
- 'Panopeus olearis belongs to Panopeus' according to Rathbun 1926
- 'Panopeus prosakrolophos belongs to Panopeus' according to Schweitzer 2000
- 'Panopeus rugosus belongs to Panopeus' according to A. Milne-Edwards 1880
- 'Panopeus soledadensis belongs to Panopeus' according to Rathbun 1926
- 'Panopeus torus belongs to Panopeus' according to C. Schweitzer 2000
- 'Panopeus tridentatus belongs to Panopeus' according to Rathbun 1918
- 'Panopeus veintensis belongs to Panopeus' according to Vega 2008
- 'Panopeus viai belongs to Panopeus' according to Muller 1993
- 'Panopeus wronai belongs to Panopeus' according to Muller 1984
- 'Panticarcinus belongs to Epialtinae'
- 'Panticarcinus maylandiensis belongs to Panticarcinus' according to Collins and Saward 2006
- 'Panulirus belongs to Palinuridae'
- 'Panulirus destombesi belongs to Panulirus' according to Garrassino and Breton 2010
- 'Paphirus latidactylus belongs to Paphirus' according to Muller and Collins 1991
- 'Paracleistostoma belongs to Camptandriidae'
- 'Paracleistostoma miocaenica belongs to Paracleistostoma' according to Muller 1998
- 'Paraclythia belongs to Nephropidae'
- 'Paraclythia boetticheri belongs to Paraclythia' according to Mertin 1941
- 'Paraclythia nephropica belongs to Paraclythia' according to Fritsch and Kafka 1887
- 'Paraclythia nephropiformis belongs to Paraclythia' according to Schluter 1862
- 'Paraclythia valashensis belongs to Paraclythia' according to McCobb and Hairapetian 2009
- 'Paraclythia westfalica belongs to Paraclythia' according to Merin 1941
- 'Paraclytiopsis belongs to Erymidae'
- 'Paraclytiopsis hungaricus belongs to Paraclytiopsis' according to Oravec 1962
- 'Paracorallicarcinus belongs to Litocheiridae'
- 'Paracorallicarcinus arcanus belongs to Paracorallicarcinus' according to Tessier 1999
- 'Paractaea belongs to Actaeinae'
- 'Paractaea philippinensis belongs to Paractaea' according to Ward 1942
- 'Paracyclois belongs to Calappidae'
- 'Paracyclois grandispinis belongs to Paracyclois' according to Etheridge and McCullock 1916
- 'Paradorippe belongs to Dorippidae'
- 'Paradorippe granulata belongs to Paradorippe' according to De Haan 1839
- 'Paradosilissopsa belongs to Grapsoidea'
- 'Paradosilissopsa transiens belongs to Paradosilissopsa' according to Fritsch and Kafka 1887
- 'Paraeuphylax belongs to Podophthalminae'
- 'Paraeuphylax cubaensis belongs to Paraeuphylax' according to Varela and C. Schweitzer 2010
- 'Paragalathea belongs to Galatheidae'
- 'Paragalathea africana belongs to Paragalathea' according to Garassino et al. 2008
- 'Paragalathea miyakoensis belongs to Paragalathea' according to Takeda and Fujiyama 1983
- 'Paragalathea multisquamata belongs to Paragalathea' according to Via 1980
- 'Paragalathea neocomiensis belongs to Paragalathea' according to Van Straelen 1936
- 'Paragalathea ornatissima belongs to Paragalathea' according to Patrulius 1966
- 'Paragalathea ruizi belongs to Paragalathea' according to Van Straelen 1940
- 'Paragalathea straeleni belongs to Paragalathea' according to Ruiz de Gaona 1943
- 'Paragalathea striata belongs to Paragalathea' according to Remes 1895
- 'Paragalathea substriata belongs to Paragalathea' according to Blaschke 1911
- 'Paragalathea ubaghsi belongs to Paragalathea' according to Pleseneer 1886
- 'Paragalathea verrucosa belongs to Paragalathea' according to Moericke 1889
- 'Paralitogaster belongs to Glypheidae'
- 'Paralitogaster durlachensis belongs to Paralitogaster' according to Forster 1967
- 'Paralitogaster limicola belongs to Paralitogaster' according to Konig 1920
- 'Paralomis belongs to Lithodidae'
- 'Paranecrocarcinus belongs to Necrocarcinidae'
- 'Paranecrocarcinus digitatus belongs to Paranecrocarcinus' according to Wright and Collins 1972
- 'Paranecrocarcinus foesteri belongs to Paranecrocarcinus' according to Wright and Collins 1972
- 'Paranecrocarcinus graysonensis belongs to Paranecrocarcinus' according to Rathbun 1935
- 'Paranecrocarcinus hexagonalis belongs to Paranecrocarcinus' according to Van Straelen 1936
- 'Paranecrocarcinus kennedyi belongs to Paranecrocarcinus' according to Wright 1997
- 'Paranecrocarcinus libanoticus belongs to Paranecrocarcinus' according to Forster 1968
- 'Paranecrocarcinus milbournei belongs to Paranecrocarcinus' according to Collins 2010
- 'Paranecrocarcinus moseleyi belongs to Paranecrocarcinus' according to Stenzel 1945
- 'Paranecrocarcinus mozambiquensis belongs to Paranecrocarcinus' according to Forster 1970
- 'Paranecrocarcinus ovalis belongs to Paranecrocarcinus' according to Stenzel 1945
- 'Paranecrocarcinus pusillus belongs to Paranecrocarcinus' according to Breton and Collins 2010
- 'Paranecrocarcinus vanbirgeleni belongs to Paranecrocarcinus' according to Fraaije 2002
- 'Paranephrops fordycei belongs to Paranephrops' according to Feldmann 1994
- 'Paranursia belongs to Ebaliinae'
- 'Paranursia acharyai belongs to Paranursia' according to Bachmayer and Mohanti 1973
- 'Paraocalina belongs to Carpiliidae'
- 'Paraocalina brodkorbi belongs to Paraocalina' according to Lewis and Ross 1965
- 'Paraocalina multilobata belongs to Paraocalina' according to Beschin et al. 2007
- 'Parapaguridae belongs to Anomura'
- 'Parapaguristes belongs to Diogenidae'
- 'Parapaguristes tuberculatus belongs to Parapaguristes' according to Bishop 1986
- 'Parapanopinae belongs to Galenidae'
- 'Parapirimela belongs to Pirimelidae'
- 'Parapirimela angolensis belongs to Parapirimela' according to Van Straelen 1937
- 'Parastacidae belongs to Parastacoidea'
- 'Parastacoidea belongs to Astacidea'
- 'Paratetralia belongs to Trapeziidae'
- 'Paratetralia convexa belongs to Paratetralia' according to Beschin et al. 2007
- 'Parathranites belongs to Macropipidae'
- 'Parathranites shibatai belongs to Parathranites' according to Karasawa 1990
- 'Paratumidocarcinus marajoarus belongs to Paratumidocarcinus' according to Martins-Neto 2001
- 'Paraverrucoides alabamensis belongs to Paraverrucoides' according to Rathbun 1935
- 'Paraxanthias belongs to Xanthinae'
- 'Paraxanthias fujiyamai belongs to Paraxanthias' according to Karasawa 1993
- 'Paraxanthosia belongs to Xanthoidea'
- 'Paraxanthosia budensis belongs to Paraxanthosia' according to Muller and Collins 1991
- 'Paraxanthosia tuberculata belongs to Paraxanthosia' according to Beschin 2005
- 'Pariphiculus belongs to Iphiculidae'
- 'Pariphiculus decemtuberculatus belongs to Pariphiculus' according to Collins 2003
- 'Pariphiculus gselli belongs to Pariphiculus' according to Beets 1950
- 'Pariphiculus inconditus belongs to Pariphiculus' according to Karasawa 1993
- 'Pariphiculus multituberculatus belongs to Pariphiculus' according to Collins 2003
- 'Pariphiculus papillosus belongs to Pariphiculus' according to Morris and Collins 1991
- 'Pariphiculus verrucosus belongs to Pariphiculus' according to Morris and Collins 1991
- 'Paromola belongs to Homolidae'
- 'Paromola vetula belongs to Paromola' according to Crawford 2008
- 'Paromolopsis belongs to Homolidae'
- 'Paromolopsis piersoni belongs to Paromolopsis' according to Schweitzer et al. 2004
- 'Paronacarcinus belongs to Tumidocarcinidae'
- 'Paronacarcinus spinosus belongs to Paronacarcinus' according to Beschin et al. 2009
- 'Parribacus belongs to Scyllaridae'
- 'Parribacus cristatus belongs to Parribacus' according to Forster 1984
- 'Parribacus japonicus belongs to Parribacus' according to Holthuis 1960
- 'Parthenope belongs to Parthenopinae'
- 'Parthenope bachmayeri belongs to Parthenope' according to Forster and Mundlos 1982
- 'Parthenope bittneri belongs to Parthenope' according to Noetlng 1885
- 'Parthenope clypeformis belongs to Parthenope' according to Collins 2003
- 'Parthenope jugular belongs to Parthenope' according to Collins 2003
- 'Parthenope neocomiensis belongs to Parthenope' according to Robineau-Desvoidy 1849
- 'Parthenope nummulitica belongs to Parthenope' according to Bittner 1875
- 'Parthenope panamensis belongs to Parthenope' according to Rathbun 1918
- 'Parthenope pleistocenica belongs to Parthenope' according to Rathbun 1918
- 'Parthenope prisca belongs to Parthenope' according to A. Milne-Edwards 1873
- 'Parthenope szaboi belongs to Parthenope' according to Muller 1974
- 'Parthenope tetenyensis belongs to Parthenope' according to Muller 1984
- 'Parthenope trituberculata belongs to Parthenope' according to Beurlen 1958
- 'Parthenope venezuelensis belongs to Parthenope' according to Van Straelen 1933
- 'Parthenopidae belongs to Parthenopoidea'
- 'Parthenopinae belongs to Parthenopidae'
- 'Parvocaris belongs to Decapoda'
- 'Parvocaris samnitica belongs to Parvocaris' according to Bravi and Garassino 1998
- 'Pasiphaea belongs to Pasiphaeidae'
- 'Pasiphaea mortua belongs to Pasiphaea' according to Smirnov 1929
- 'Pasiphaea mortua belongs to Pasiphaea'
- 'Pasiphaeidae belongs to Pasiphaeoidea'
- 'Pasiphaeoidea belongs to Caridea'
- 'Pehuenchia belongs to Pemphicidae'
- 'Pehuenchia magna belongs to Pehuenchia' according to Rusconi 1948
- 'Pehuenchia tellecheai belongs to Pehuenchia' according to Rusconi 1948
- 'Pelaeus belongs to Platyxanthidae'
- 'Pelaeus chauvinii belongs to Pelaeus' according to De Berville 1857
- 'Pemphicidae belongs to Glypheoidea'
- 'Pemphix belongs to Pemphicidae'
- 'Pemphix malladai belongs to Pemphix' according to Via 1971
- 'Pemphix silesiacus belongs to Pemphix' according to Assmann 1927
- 'Pemphix sueuree belongs to Pemphix' according to Desmarest 1822
- 'Penaeoidea belongs to Dendrobranchiata'
- 'Penaeus arambourgi belongs to Penaeus' according to Roger 1946
- 'Penaeus barmerensis belongs to Penaeus' according to Tiwari 1963
- 'Penaeus bolcensis belongs to Penaeus' according to Secretan 1975
- 'Penaeus cornappensis belongs to Penaeus' according to Garassino 1998
- 'Penaeus furensis belongs to Penaeus' according to Garassino and Harper 2004
- 'Penaeus kapurdii belongs to Penaeus' according to Prasad 1966
- 'Penaeus maddeni belongs to Penaeus' according to R. M. Feldman et al. 1993
- 'Penaeus natator belongs to Penaeus' according to Glaessner 1946
- 'Penaeus obtusus belongs to Penaeus' according to Secretan 1975
- 'Penaeus smyrnacus belongs to Penaeus' according to Van Straelen 1940
- 'Penaeus sorbinii belongs to Penaeus' according to Beschin and Garassino 1999
- 'Penaeus spectabilis belongs to Penaeus' according to Von der Marck 1863
- 'Penaeus tenuicauda belongs to Penaeus' according to Von der Marck 1858
- 'Penaeus vanzii belongs to Penaeus' according to Beschin and Garassino 1999
- 'Penaeus vernassensis belongs to Penaeus' according to Garassino and Teruzzi 1995
- 'Penaeus wenasogensis belongs to Penaeus' according to Rathbun 1926
- 'Periacanthus belongs to Epialtinae'
- 'Periacanthus dallagoi belongs to Periacanthus' according to Beschin 2005
- 'Periacanthus dallonii belongs to Periacanthus' according to Via 1959
- 'Periacanthus horridus belongs to Periacanthus' according to Bittner 1875
- 'Periacanthus ramosus belongs to Periacanthus' according to Artal and Castillo 2005
- 'Persephona belongs to Ebaliinae'
- 'Persephona bigranulata belongs to Persephona' according to Rathbun 1926
- 'Persephona invalida belongs to Persephona' according to Rathbun 1929
- 'Persephona mediterranea belongs to Persephona' according to Herbst 1794
- 'Persephona niemeyeri belongs to Persephona' according to Blow 2003
- 'Persephona prepunctata belongs to Persephona' according to Rathbun 1919
- 'Persephona punctata belongs to Persephona' according to Linnaeus 1858
- 'Persephona rodesae belongs to Persephona' according to Blow 2003
- 'Petrochirus belongs to Diogenidae'
- 'Petrochirus diogenes belongs to Petrochirus' according to Linnaeus 1758
- 'Petrochirus inequalis belongs to Petrochirus' according to Rathbun 1919
- 'Petrochirus mezi belongs to Petrochirus' according to Lorenthey 1907
- 'Petrochirus poscolensis belongs to Petrochirus' according to Beschin 2006
- 'Petrochirus priscus belongs to Petrochirus' according to Brocchi 1883
- 'Petrochirus taylori belongs to Petrochirus' according to Rathbun 1935
- 'Petrolisthes belongs to Porcellanidae'
- 'Petrolisthes avitus belongs to Petrolisthes' according to Rathbun 1918
- 'Petrolisthes bittneri belongs to Petrolisthes' according to De Angeli and Garassino 2002
- 'Petrolisthes lauensis belongs to Petrolisthes' according to Rathbun 1945
- 'Petrolisthes magnus belongs to Petrolisthes' according to Muller 1984
- 'Petrolisthes miocaenicus belongs to Petrolisthes' according to Karasawa 1993
- 'Petrolisthes myakkensis belongs to Petrolisthes' according to Bishop and Portell 1989
- 'Petrolisthes striatissimus belongs to Petrolisthes' according to Muller and Collins 1991
- 'Petrolisthes vicetinus belongs to Petrolisthes' according to Beschin et al. 2001
- 'Phalangites belongs to Palinuridae'
- 'Phalangites pricus belongs to Phalangites' according to Munster 1839
- 'Philyra belongs to Ebaliinae'
- 'Philyra acutidens belongs to Philyra' according to Chen 1987
- 'Philyra alveola belongs to Philyra' according to Hu and Tao 2000
- 'Philyra collinsi belongs to Philyra' according to Karasawa 2010
- 'Philyra cranium belongs to Philyra' according to Desmarest 1822
- 'Philyra ferrica belongs to Philyra' according to Hu and Tao 1996
- 'Philyra hayasakai belongs to Philyra' according to Karasawa and Inoue 1992
- 'Philyra heterograna belongs to Philyra' according to Ortmann 1892
- 'Philyra miyamotoi belongs to Philyra' according to Karasawa and Kishimoto 1996
- 'Philyra nishimotoi belongs to Philyra' according to Karasawa 1989
- 'Philyra pisum belongs to Philyra' according to De Haan 1841
- 'Philyra plana belongs to Philyra' according to Karasawa 1989
- 'Philyra platycheir belongs to Philyra' according to De Haan 1841
- 'Philyra scabriuscula belongs to Philyra' according to Fabricius 1793
- 'Philyra shihcheni belongs to Philyra' according to Hu and Tao 1979
- 'Philyra syndactyla belongs to Philyra' according to Ortmann 1892
- 'Philyra tanakai belongs to Philyra' according to Karasawa 1993
- 'Philyra tridentata belongs to Philyra' according to Karasawa 1993
- 'Philyra trusanensis belongs to Philyra' according to Collins 2003
- 'Phlyctenodes belongs to Actaeinae'
- 'Phlyctenodes dalpiazi belongs to Phlyctenodes' according to Fabiani 1911
- 'Phlyctenodes irregularis belongs to Phlyctenodes' according to Ristori 1896
- 'Phlyctenodes krenneri belongs to Phlyctenodes' according to Lorenthey 1897
- 'Phlyctenodes multituberculatus belongs to Phlyctenodes' according to Beschin et al. 2007
- 'Phlyctenodes nicolisi belongs to Phlyctenodes' according to Bittner 1884
- 'Phlyctenodes pustulosus belongs to Phlyctenodes' according to A. Milne-Edwards 1862
- 'Phlyctenodes steinmanni belongs to Phlyctenodes' according to Lorenthey 1902
- 'Phlyctenodes tuberculosus belongs to Phlyctenodes' according to A. Milne-Edwards 1862
- 'Phlyctisoma is a subjective synonym of Pustulina'
- 'Phoenice belongs to Stenopodidae'
- 'Phoenice pasinii belongs to Phoenice' according to Garassino 2001
- 'Phrynolambrus belongs to Parthenopinae'
- 'Phrynolambrus corallinus belongs to Phrynolambrus' according to Bittner 1893
- 'Phrynolambrus italicus belongs to Phrynolambrus' according to De Angeli and Beschin 2008
- 'Phrynolambrus pentagonus belongs to Phrynolambrus' according to Quayle and Collins 1981
- 'Phrynolambrus weinfurteri belongs to Phrynolambrus' according to Bachmayer 1953
- 'Physetocarididae belongs to Physetocaridoidea'
- 'Physetocaridoidea belongs to Caridea'
- 'Pilodius belongs to Chlorodiellinae'
- 'Pilodius granulatus belongs to Pilodius' according to Stimpson 1859
- 'Pilodius mediterraneus belongs to Pilodius' according to Lorenthey 1898
- 'Pilodius nigrocrinitus belongs to Pilodius' according to Stimpson 1859
- 'Pilodius parvus belongs to Pilodius' according to Karasawa 1993
- 'Pilodius pugil belongs to Pilodius' according to Dana 1852
- 'Pilodius vulgaris belongs to Pilodius' according to Glaessner 1928
- 'Pilumninae belongs to Pilumnidae'
- 'Pilumnoidea belongs to Brachyura'
- 'Pilumnoididae belongs to Pilumnoidoidea'
- 'Pilumnoidoidea belongs to Brachyura'
- 'Pilumnomimus belongs to Xanthoidea'
- 'Pilumnomimus planidentatus belongs to Pilumnomimus' according to Muller and Collins 1991
- 'Pilumnopeus belongs to Pilumninae'
- 'Pilumnopeus dilatatus belongs to Pilumnopeus' according to Muller 1993
- 'Pilumnopeus paratethyensis belongs to Pilumnopeus' according to Muller 1984
- 'Pilumnopeus tetenyensis belongs to Pilumnopeus' according to Muller 1984
- 'Pilumnus belongs to Pilumninae'
- 'Pilumnus fookimensis belongs to Pilumnus' according to Collins 2003
- 'Pilumnus hirtellus belongs to Pilumnus' according to Linnaeus 1761
- 'Pilumnus mediterraneus belongs to Pilumnus' according to Lorenthey 1898
- 'Pilumnus olivellai belongs to Pilumnus' according to Muller 1993
- 'Pilumnus pannosus belongs to Pilumnus' according to Rathbun 1898
- 'Pilumnus ristorii belongs to Pilumnus' according to De Angeli 2009
- 'Pilumnus sayi belongs to Pilumnus' according to Rathbun 1897
- 'Pilumnus scaber belongs to Pilumnus' according to Gatt and De Angeli 2010
- 'Pilumnus spinossimus belongs to Pilumnus' according to Rathbun 1898
- 'Pilumnus subequus belongs to Pilumnus' according to Rathbun 1919
- 'Pilumnus villosissimus belongs to Pilumnus' according to Rafinesque 1814
- 'Pinnacaris belongs to Decapoda'
- 'Pinnacaris dentata belongs to Pinnacaris' according to Garassino and Teruzzi 1993
- 'Pinnixa belongs to Pinnothereliinae'
- 'Pinnixa aequipunctata belongs to Pinnixa' according to Morris and Collins 1991
- 'Pinnixa faba belongs to Pinnixa' according to Dana 1851
- 'Pinnixa galliheri belongs to Pinnixa' according to Rathbun 1932
- 'Pinnixa microgranulosa belongs to Pinnixa' according to Collins 2003
- 'Pinnixa miocenica belongs to Pinnixa' according to Rathbun 1932
- 'Pinnixa montereyensis belongs to Pinnixa' according to Rathbun 1932
- 'Pinnixa omega belongs to Pinnixa' according to Morris and Collins 1991
- 'Pinnothereliinae belongs to Pinnotheridae'
- 'Pinnotheres belongs to Pinnotherinae'
- 'Pinnotheres araucana belongs to Pinnotheres' according to Philippi 1887
- 'Pinnotheres elatus belongs to Pinnotheres' according to A. Milne-Edwards 1873
- 'Pinnotheres promaucanaus belongs to Pinnotheres' according to Philippi 1887
- 'Pinnotheridae belongs to Pinnotheroidea'
- 'Pinnotherinae belongs to Pinnotheridae'
- 'Pinnotheroidea belongs to Brachyura'
- 'Pirimela belongs to Pirimelidae'
- 'Pirimela lorentheyi belongs to Pirimela' according to Muller 1974
- 'Pirimelidae belongs to Portunoidea'
- 'Pisa belongs to Pisinae'
- 'Pisa armata belongs to Pisa' according to Latreille 1803
- 'Pisa oroszyi belongs to Pisa' according to Bachmayer 1953
- 'Pisidia belongs to Porcellanidae'
- 'Pisidia dorsosinuosa belongs to Pisidia' according to De Angeli and Garassino 2002
- 'Pisidia kokayi belongs to Pisidia' according to Muller 1974
- 'Pisidia viai belongs to Pisidia' according to Muller 1984
- 'Pisinae belongs to Epialtidae'
- 'Pisoides belongs to Pisinae'
- 'Pisoides bidentatus belongs to Pisoides' according to A. Milne-Edwards 1873
- 'Pisoides ortmanni belongs to Pisoides' according to Balss 1924
- 'Pisomaja belongs to Micromaiinae'
- 'Pisomaja tuberculata belongs to Pisomaja' according to Lorenthey 1929
- 'Pitho belongs to Pisinae'
- 'Pitho anisodon belongs to Pitho' according to Von Martens 1872
- 'Pithonoton belongs to Goniodromitidae'
- 'Pithonoton bourgeati belongs to Pithonoton' according to Van Straelen 1924
- 'Pithonoton hypocritum belongs to Pithonoton' according to Etallon 1861
- 'Pithonoton incisum belongs to Pithonoton' according to Van Straelen 1924
- 'Pithonoton iyonofutanajima belongs to Pithonoton' according to Karasawa and Kato 2007
- 'Pithonoton moutieri belongs to Pithonoton' according to Hee 1924
- 'Pithonoton obtusum belongs to Pithonoton' according to Von Meyer 1860
- 'Pithonoton rotundum belongs to Pithonoton' according to Beurlen 1925
- 'Plagiophthalmous belongs to Goniodromitidae'
- 'Plagiophthalmous collinsi belongs to Plagiophthalmous' according to R. Feldmann et al. 1993
- 'Plagiophthalmous nitonensis belongs to Plagiophthalmous' according to Wright and Wright 1950
- 'Plagiophthalmous oviformis belongs to Plagiophthalmous' according to Bell 1863
- 'Plagusiidae belongs to Grapsoidea'
- 'Planes belongs to Grapsidae'
- 'Planes prior belongs to Planes' according to Smirnov 1929
- 'Planobranchia belongs to Majinae'
- 'Planobranchia egyptensis belongs to Planobranchia' according to R. Feldmann et al. 2010
- 'Planobranchia laevis belongs to Planobranchia' according to Lorenthey 1909
- 'Planobranchia simplex belongs to Planobranchia' according to Remy 1959
- 'Planoprosopon belongs to Longodromitidae'
- 'Planoprosopon kashimaensis belongs to Planoprosopon' according to Kato et al. 2010
- 'Planoprosopon quadratum belongs to Planoprosopon' according to Schweigert and Koppka 2010
- 'Planoprosopon thiedeae belongs to Planoprosopon' according to Schweigert and Koppka 2010
- 'Platepistoma belongs to Cancrinae'
- 'Platepistoma imamurae belongs to Platepistoma' according to Imaizumi 1962
- 'Platepistoma kaedei belongs to Platepistoma' according to Karasawa 1992
- 'Platychela belongs to Platychelidae'
- 'Platychela trauthi belongs to Platychela' according to Glaessner 1931
- 'Platychelidae belongs to Glypheoidea'
- 'Platykotta belongs to Eocarcinoidea'
- 'Platykottidae belongs to Eocarcinoidea'
- 'Platypleon belongs to Platychelidae'
- 'Platypleon nevadensis belongs to Platypleon' according to Van Straelen 1936
- 'Platypodia belongs to Zosiminae'
- 'Platypodia granulosa belongs to Platypodia' according to Ruppell 1830
- 'Platyxanthidae belongs to Eriphioidea'
- 'Pleocyemata belongs to Decapoda' according to Burkenroad 1963
- 'Pleocyemata belongs to Decapoda'
- 'Pleolobites belongs to Macropipidae'
- 'Pleolobites erinaceus belongs to Pleolobites' according to Remy 1960
- 'Pleopteryx belongs to Pleopteryxidae'
- 'Pleopteryx kuempeli belongs to Pleopteryx' according to Schweigert and Garassino 2004
- 'Pleopteryxidae belongs to Pleopteryxoidea'
- 'Pleopteryxoidea belongs to Caridea'
- 'Plioaxius belongs to Axiidae'
- 'Plioaxius lineadactylus belongs to Plioaxius' according to Fraaije et al. 2010
- 'Pliopirimela belongs to Pirimelidae'
- 'Pliopirimela deconincki belongs to Pliopirimela' according to Van Bakel et al. 2003
- 'Pliosomatinae belongs to Epialtidae'
- 'Podocallichirus belongs to Callianassidae'
- 'Podocallichirus grandis belongs to Podocallichirus' according to Karasawa and Goda 1996
- 'Podocatactes belongs to Atelecyclidae'
- 'Podocatactes hamifer belongs to Podocatactes' according to Ortmann 1893
- 'Podocatactes ujiharai belongs to Podocatactes' according to Karasawa 1993
- 'Podophthalminae belongs to Portunidae'
- 'Podophthalmus defrancei belongs to Podophthalmus' according to Desmarest 1822
- 'Podophthalmus fusiformis belongs to Podophthalmus' according to Morris and Collins 1991
- 'Podophthalmus taiwanicus belongs to Podophthalmus' according to Hu and Tao 1985
- 'Polybiinae belongs to Carcinidae'
- 'Polychelidae belongs to Eryonoidea'
- 'Polycnemidium belongs to Necrocarcinidae'
- 'Polycnemidium pustulosus belongs to Polycnemidium' according to Reuss 1845
- 'Polydectinae belongs to Xanthidae'
- 'Polyonyx belongs to Porcellanidae'
- 'Polyonyx arcuatus belongs to Polyonyx' according to Muller and Collins 1991
- 'Ponotus belongs to Notopodinae'
- 'Ponotus shirahamensis belongs to Ponotus' according to Karasawa and Ohara 2009
- 'Porcellana belongs to Porcellanidae'
- 'Porcellana antiqua belongs to Porcellana' according to A. Milne-Edwards 1862
- 'Porcellanidae belongs to Galatheoidea'
- 'Pororaria belongs to Macropipidae'
- 'Pororaria eocenica belongs to Pororaria' according to Glaessner 1980
- 'Portufuria belongs to Macropipidae'
- 'Portufuria enigmatica belongs to Portufuria' according to Collins et al. 2005
- 'Portumnus belongs to Carcinidae'
- 'Portumnus tricarinatus belongs to Portumnus' according to Lorenthey 1929
- 'Portunidae belongs to Portunoidea'
- 'Portuninae belongs to Portunidae'
- 'Portunites belongs to Macropipidae'
- 'Portunites angustata belongs to Portunites' according to Collins et al. 1999
- 'Portunites eocenica belongs to Portunites' according to Lorenthey 1929
- 'Portunites hoepfneri belongs to Portunites' according to Moths 2005
- 'Portunites incerta belongs to Portunites' according to Bell 1858
- 'Portunites kattachiensis belongs to Portunites' according to Karasawa 1992
- 'Portunites nodosus belongs to Portunites' according to C. Schweitzer and R. Feldmann 2000
- 'Portunites rosenfeldi belongs to Portunites' according to De Angeli and Garassino 2006
- 'Portunites stintoni belongs to Portunites' according to Quayle 1984
- 'Portunites sylviae belongs to Portunites' according to Quayle and Collins 1981
- 'Portunoidea belongs to Brachyura'
- 'Portunus belongs to Portuninae'
- 'Portunus alphonsei belongs to Portunus' according to Karasawa et al. 2008
- 'Portunus arcuatus belongs to Portunus' according to A. Milne-Edwards 1860
- 'Portunus brouveri belongs to Portunus' according to Van Straelen 1924
- 'Portunus catalanicus belongs to Portunus' according to Via 1941
- 'Portunus delgadoi belongs to Portunus' according to Fontannes 1884
- 'Portunus edwardsi belongs to Portunus' according to Sismonda 1861
- 'Portunus gabbi belongs to Portunus' according to Rathbun 1919
- 'Portunus gallicus belongs to Portunus' according to A. Milne-Edwards 1873
- 'Portunus gibbesii belongs to Portunus' according to Stimpson 1862
- 'Portunus haitensis belongs to Portunus' according to Rathbun 1923
- 'Portunus hastatus belongs to Portunus' according to Linnaeus 1767
- 'Portunus incertus belongs to Portunus' according to A. Milne-Edwards 1860
- 'Portunus kisslingi belongs to Portunus' according to Studer 1892
- 'Portunus kochi belongs to Portunus' according to Bittner 1893
- 'Portunus krambergeri belongs to Portunus' according to Bittner 1893
- 'Portunus larteti belongs to Portunus' according to A. Milne-Edwards 1860
- 'Portunus levigatus belongs to Portunus' according to Rathbun 1945
- 'Portunus miocaenicus belongs to Portunus' according to Muller 1984
- 'Portunus miyaku belongs to Portunus' according to Karasawa and Nobuhara 2008
- 'Portunus monspeliensis belongs to Portunus' according to A. Milne-Edwards 1860
- 'Portunus neogenicus belongs to Portunus' according to Muller 1978
- 'Portunus oblongus belongs to Portunus' according to Rathbun 1920
- 'Portunus obtusus belongs to Portunus' according to A. Milne-Edwards 1860
- 'Portunus obvallatus belongs to Portunus' according to Morris and Collins 1991
- 'Portunus pelagicus belongs to Portunus' according to Linnaeus 1758
- 'Portunus pirabaensis belongs to Portunus' according to Martins-Neto 2001
- 'Portunus radobojanus belongs to Portunus' according to Bittner 1884
- 'Portunus regulensis belongs to Portunus' according to Van Straelen 1929
- 'Portunus ristorii belongs to Portunus' according to Karasawa et al. 2008
- 'Portunus sanshianus belongs to Portunus' according to Hu 1984
- 'Portunus sebae belongs to Portunus' according to H. Milne-Edwards 1834
- 'Portunus sijuensis belongs to Portunus' according to Satsangi and Parida 1980
- 'Portunus spinimanus belongs to Portunus' according to Latreille 1819
- 'Portunus stenaspis belongs to Portunus' according to Bittner 1884
- 'Portunus straeleni belongs to Portunus' according to Via 1948
- 'Portunus suessi belongs to Portunus' according to Bittner 1875
- 'Portunus tenuis belongs to Portunus' according to Rathbun 1919
- 'Portunus thalae belongs to Portunus' according to Macarovici 1970
- 'Portunus tongfai belongs to Portunus' according to Hu 1981
- 'Portunus vectensis belongs to Portunus' according to Carter 1898
- 'Portunus vicentinus belongs to Portunus' according to A. Milne-Edwards 1860
- 'Portunus withersi belongs to Portunus' according to Glaessner 1933
- 'Portunus woodwardi belongs to Portunus' according to Morris and Collins 1991
- 'Portunus wynneanus belongs to Portunus' according to Stoliczka 1871
- 'Portunus xantusii belongs to Portunus' according to Stimpson 1862
- 'Potamidae belongs to Potamoidea'
- 'Potaminae belongs to Potamidae'
- 'Potamiscinae belongs to Potamidae'
- 'Potamoidea belongs to Brachyura'
- 'Potamon belongs to Potaminae'
- 'Potamon antiquum belongs to Potamon' according to Szombathy 1916
- 'Potamon castellinense belongs to Potamon' according to Szombathy 1916
- 'Potamon ibericum belongs to Potamon' according to Bachmayer and Pretzmann 1971
- 'Potamon quenstedti belongs to Potamon' according to Zittel 1885
- 'Potamon sivalense belongs to Potamon' according to Glaessner 1933
- 'Potamon speciosum belongs to Potamon' according to Von Meyer 1862
- 'Potamonautes belongs to Potamonautinae'
- 'Potamonautes niloticus belongs to Potamonautes' according to H. Milne-Edwards 1837
- 'Potamonautes tugenensis belongs to Potamonautes' according to Morris 1976
- 'Potamonautidae belongs to Brachyura'
- 'Potamonautinae belongs to Potamonautidae'
- 'Poupiniidae belongs to Homoloidea'
- 'Praealbunea belongs to Albuneidae'
- 'Praealbunea rickorum belongs to Praealbunea' according to Fraaije 2002
- 'Praeatya belongs to Mecochiridae'
- 'Praeatya scabrosa belongs to Praeatya' according to Woodward 1868
- 'Preclarocarcinus belongs to Homolodromiidae'
- 'Preclarocarcinus parvus belongs to Preclarocarcinus' according to C. Schweitzer et al. 2009
- 'Pregeryona belongs to Xanthoidea'
- 'Pregeryona taiwanica belongs to Pregeryona' according to Hu and Tao 1996
- 'Prehepatus belongs to Aethridae'
- 'Prehepatus lenolensis belongs to Prehepatus' according to Rathbun 1935
- 'Priabonella belongs to Aethridae'
- 'Priabonella violatii belongs to Priabonella' according to Beschin et al. 2006
- 'Priabonocarcinus belongs to Pseudoziidae'
- 'Priabonocarcinus gallicus belongs to Priabonocarcinus' according to Muller and Collins 1991
- 'Priscinachidae belongs to Majoidea'
- 'Priscinachus belongs to Priscinachidae'
- 'Priscinachus elongatus belongs to Priscinachus' according to Breton 2009
- 'Pristinaspina belongs to Chirostylidae'
- 'Pristinaspina gelasina belongs to Pristinaspina' according to C. Schweitzer and R. Feldmann 2000
- 'Procambarus primaevus belongs to Procambarus' according to Packard 1880
- 'Procarididae belongs to Caridea'
- 'Procaridoidea belongs to Caridea'
- 'Processidae belongs to Processoidea'
- 'Processoidea belongs to Caridea'
- 'Prochlorodius belongs to Xanthoidea'
- 'Prochlorodius ellipticus belongs to Prochlorodius' according to Muller and Collins 1991
- 'Proeryon belongs to Coleiidae'
- 'Proeryon giganteus belongs to Proeryon' according to Van Straekeb 1923
- 'Proeryon hartmanni belongs to Proeryon' according to Von Meyer 1835
- 'Proeryon laticaudatus belongs to Proeryon' according to Beurlen 1928
- 'Proeryon stoddarti belongs to Proeryon' according to Woodward 1881
- 'Proeryon viluensis belongs to Proeryon' according to Chernyshev 1930
- 'Progeryonidae belongs to Goneplacoidea'
- 'Prohomola belongs to Homolidae'
- 'Prohomola japonica belongs to Prohomola' according to Yokoyama 1911
- 'Prohomola katunai belongs to Prohomola' according to Blow and Manning 1996
- 'Propalaemon belongs to Palaemonidae'
- 'Propalaemon longispinata belongs to Propalaemon' according to Martins-Neto and Mezzalira 1991
- 'Propalaemon minor belongs to Propalaemon' according to Woodward 1903
- 'Propalaemon osborniensis belongs to Propalaemon' according to Woodward 1903
- 'Prosopon belongs to Prosopidae'
- 'Prosopon dzhafarberdensis belongs to Prosopon' according to Ilyin 2005
- 'Prosopon jocosum belongs to Prosopon' according to Thurman and Etallon 1859
- 'Protastacidae belongs to Nephropoidea'
- 'Protastacidae antiquus belongs to Protastacidae' according to Harbort 1905
- 'Protastacus belongs to Protastacidae'
- 'Protastacus politus belongs to Protastacus' according to Schluter 1868
- 'Protaxius belongs to Axiidae'
- 'Protaxius betajurensis belongs to Protaxius' according to Quenstedt 1858
- 'Protaxius eocenicus belongs to Protaxius' according to Secretan 1975
- 'Protaxius isochelus belongs to Protaxius' according to Woodward 1876
- 'Protaxius suevicus belongs to Protaxius' according to Beurlen 1930
- 'Protocallianassa belongs to Callianassidae'
- 'Protocallianassa antiqua belongs to Protocallianassa' according to Roemer 1841
- 'Protocallianassa archiaci belongs to Protocallianassa' according to A. Milne-Edwards 1860
- 'Protocallianassa australica belongs to Protocallianassa' according to Glaessner 1956
- 'Protocallianassa bohemica belongs to Protocallianassa' according to Fritsch 1867
- 'Protocallianassa brevis belongs to Protocallianassa' according to Fritsch 1867
- 'Protocallianassa caucasica belongs to Protocallianassa' according to Aliev and Aliev 1980
- 'Protocallianassa cenomanensis belongs to Protocallianassa' according to A. Milne-Edwards 1860
- 'Protocallianassa cliffwoodensis belongs to Protocallianassa' according to Roberts 1962
- 'Protocallianassa elongata belongs to Protocallianassa' according to Fritsch 1867
- 'Protocallianassa faujasi belongs to Protocallianassa' according to Desmarest 1822
- 'Protocallianassa gracilis belongs to Protocallianassa' according to Fritsch 1867
- 'Protocallianassa klofi belongs to Protocallianassa' according to Bishop 1983
- 'Protocallianassa mortoni belongs to Protocallianassa' according to Pilsbry 1901
- 'Protocallianassa patagonica belongs to Protocallianassa' according to Aguirre Urreta 1982
- 'Protocallianassa pilsbryi belongs to Protocallianassa' according to Rathbun 1935
- 'Protocallianassa pleuralum belongs to Protocallianassa' according to Beikirch and R. Feldmann 1980
- 'Protocallianassa praecepta belongs to Protocallianassa' according to Roberts 1962
- 'Protocallianassa russelli belongs to Protocallianassa' according to Bishop 1985
- 'Protocallianassa sarysuensis belongs to Protocallianassa' according to Aliev and Aliev 1980
- 'Protocallianassa tourtiae belongs to Protocallianassa' according to Fritsch 1867
- 'Protomunida belongs to Galatheidae'
- 'Protomunida munidoides belongs to Protomunida' according to Segerberg 1900
- 'Protomunida pentacantha belongs to Protomunida' according to Muller and Collins 1991
- 'Proxicarpilius planifrons belongs to Proxicarpilius' according to Collins and Morris 1978
- 'Psalidopodoidea belongs to Caridea'
- 'Psammocarcinidae belongs to Portunoidea'
- 'Psammocarcinus belongs to Psammocarcinidae'
- 'Psammocarcinus hericarti belongs to Psammocarcinus' according to Desmarest 1822
- 'Psammograpsus belongs to Grapsoidea'
- 'Psammograpsus parisiensis belongs to Psammograpsus' according to A. Milne-Edwards 1860
- 'Pseudastacus belongs to Chilenophoberidae'
- 'Pseudastacus hakelensis belongs to Pseudastacus' according to Fraas 1878
- 'Pseudastacus minor belongs to Pseudastacus' according to Fraas 1878
- 'Pseudastacus mucronatus belongs to Pseudastacus' according to Phillips 1836
- 'Pseudastacus pusillus belongs to Pseudastacus' according to Van Straelen 1924
- 'Pseudastacus pustulosus belongs to Pseudastacus' according to Munster 1839
- 'Pseudoachelous belongs to Portuninae'
- 'Pseudoachelous schindleri belongs to Pseudoachelous' according to Portell and Collins 2004
- 'Pseudobombur belongs to Penaeoidea'
- 'Pseudobombur nummuliticus belongs to Pseudobombur' according to Secretan 1975
- 'Pseudocarcinus belongs to Oziidae'
- 'Pseudocarcinus gigas belongs to Pseudocarcinus' according to Lamarck 1818
- 'Pseudocaridinella belongs to Palaemonidae'
- 'Pseudocaridinella roxoi belongs to Pseudocaridinella' according to Beurlen 1950
- 'Pseudocaridinella tremembeensis belongs to Pseudocaridinella' according to Beurlen 1950
- 'Pseudochelidae belongs to Bresilioidea'
- 'Pseudocoleia mazzolenii belongs to Pseudocoleia' according to Garassino and Teruzzi 1993
- 'Pseudodaranyia belongs to Grapsoidea'
- 'Pseudodaranyia carinata belongs to Pseudodaranyia' according to Tessier et al. 1999
- 'Pseudodromilites belongs to Dromiinae'
- 'Pseudodromilites hilarionis belongs to Pseudodromilites' according to Bittner 1883
- 'Pseudodromilites pentagonalis belongs to Pseudodromilites' according to Beurlen 1928
- 'Pseudodusa belongs to Penaeoidea'
- 'Pseudodusa frattigianii belongs to Pseudodusa' according to Schweigert and Garassino 2004
- 'Pseudoglyphea belongs to Mecochiridae'
- 'Pseudoglyphea alpina belongs to Pseudoglyphea' according to Forster 1971
- 'Pseudoglyphea amalthea belongs to Pseudoglyphea' according to Oppel 1861
- 'Pseudoglyphea etalloni belongs to Pseudoglyphea' according to Oppel 1862
- 'Pseudoglyphea eximia belongs to Pseudoglyphea' according to Oppel 1861
- 'Pseudoglyphea foersteri belongs to Pseudoglyphea' according to Feldmann 2002
- 'Pseudoglyphea friulana belongs to Pseudoglyphea' according to Garassino and Rigo 2008
- 'Pseudoglyphea gigantea belongs to Pseudoglyphea' according to Garassino and Teruzzi 1993
- 'Pseudoglyphea grandis belongs to Pseudoglyphea' according to Von Meyer 1837
- 'Pseudoglyphea hamifera belongs to Pseudoglyphea' according to Tate 1876
- 'Pseudoglyphea jourdani belongs to Pseudoglyphea' according to Dumortier 1867
- 'Pseudoglyphea mulleri belongs to Pseudoglyphea' according to Van Straelen 1936
- 'Pseudoglyphea numismalis belongs to Pseudoglyphea' according to Oppel 1854
- 'Pseudoglyphea paronae belongs to Pseudoglyphea' according to Colosi 1921
- 'Pseudoglyphea straeleni belongs to Pseudoglyphea' according to Theobald 1953
- 'Pseudoglyphea terquemi belongs to Pseudoglyphea' according to Oppel 1861
- 'Pseudohepatiscus belongs to Aethridae'
- 'Pseudohepatiscus marinoi belongs to Pseudohepatiscus' according to Blow and Manning 1996
- 'Pseudohepatiscus silvanoi belongs to Pseudohepatiscus' according to De Angeli and Beschin 1999
- 'Pseudohomarus belongs to Nephropidae'
- 'Pseudohomarus umsinenensis belongs to Pseudohomarus' according to Van Hoepen 1962
- 'Pseudomicippella belongs to Grapsoidea'
- 'Pseudomicippella granulosa belongs to Pseudomicippella' according to Pelseneer 1886
- 'Pseudonecrocarcinus belongs to Necrocarcinidae'
- 'Pseudonecrocarcinus biscissus belongs to Pseudonecrocarcinus' according to Wright and Collins 1972
- 'Pseudonecrocarcinus gamma belongs to Pseudonecrocarcinus' according to Roberts 1962
- 'Pseudonecrocarcinus quadriscissus belongs to Pseudonecrocarcinus' according to Noetling 1881
- 'Pseudonecrocarcinus scotti belongs to Pseudonecrocarcinus' according to Stenzel 1945
- 'Pseudonecrocarcinus stenzeli belongs to Pseudonecrocarcinus' according to Bishop 1983
- 'Pseudopemphix belongs to Pemphicidae'
- 'Pseudopemphix albertii belongs to Pseudopemphix' according to Von Meyer 1840
- 'Pseudopemphix fritschi belongs to Pseudopemphix' according to Wust 1840
- 'Pseudopemphix meyeri belongs to Pseudopemphix' according to Alberti 1864
- 'Pseudophilyra belongs to Ebaliinae'
- 'Pseudophilyra elongatella belongs to Pseudophilyra' according to Hu and Tao 1996
- 'Pseudophilyra granulimarginata belongs to Pseudophilyra' according to Karasawa 2008
- 'Pseudophlyctenodes belongs to Actaeinae'
- 'Pseudophlyctenodes hantkeni belongs to Pseudophlyctenodes' according to Lorenthey 1897
- 'Pseudorhombila belongs to Panopeidae'
- 'Pseudorhombila patagonica belongs to Pseudorhombila' according to Glaessner 1933
- 'Pseudothelphusidae belongs to Pseudothelphusoidea'
- 'Pseudothelphusoidea belongs to Brachyura'
- 'Pseudoziidae belongs to Eriphioidea'
- 'Psopheticus belongs to Goneplacidae'
- 'Psopheticus shujenae belongs to Psopheticus' according to Hu and Tao 1996
- 'Psopheticus stridulans belongs to Psopheticus' according to Wood-Mason 1892
- 'Psygmophthalmus bifurcatus belongs to Psygmophthalmus' according to Collins 2009
- 'Pterocarcinus belongs to Leucosiidae'
- 'Pterocarcinus baileyi belongs to Pterocarcinus' according to Blow 2003
- 'Pugettia belongs to Epialtinae'
- 'Pugettia incisa belongs to Pugettia' according to De Haan 1839
- 'Pugettia producta belongs to Pugettia' according to Randall 1839
- 'Pugettia richii belongs to Pugettia' according to Dana 1851
- 'Pugettia yamafui belongs to Pugettia' according to Karasawa and Kitamura 2003
- 'Pulalius belongs to Tumidocarcinidae'
- 'Pulalius dunhamorum belongs to Pulalius' according to C. Schweitzer 2000
- 'Pulalius vulgaris belongs to Pulalius' according to Rathbun 1926
- 'Pustulina belongs to Erymidae'
- 'Pustulina calloviensis belongs to Pustulina' according to Forster 1966
- 'Pustulina elegans belongs to Pustulina' according to Mechin 1901
- 'Pustulina granulata belongs to Pustulina' according to Bell 1863
- 'Pustulina minuta belongs to Pustulina' according to Schlotheim 1822
- 'Pustulina perroni belongs to Pustulina' according to Etallon 1861
- 'Pustulina pseudobabeaui belongs to Pustulina' according to Dollfus 1863
- 'Pustulina scabra belongs to Pustulina' according to Bell 1863
- 'Pustulina sinemuriana belongs to Pustulina' according to Garassino 1996
- 'Pustulina spinulata belongs to Pustulina' according to Secretan 1964
- 'Pustulina suevica belongs to Pustulina' according to Quenstedt 1857
- 'Pustulina tuberculata belongs to Pustulina' according to Bell 1863
- 'Pylochelidae belongs to Anomura'
- 'Pylopagurus belongs to Paguridae'
- 'Pylopagurus corallinus belongs to Pylopagurus' according to Muller 1996
- 'Pylopagurus leganyii belongs to Pylopagurus' according to Muller 1984
- 'Pyromaia belongs to Inachoididae'
- 'Pyromaia inflata belongs to Pyromaia' according to Collins and Morris 1978
- 'Pyromaia tuberculata belongs to Pyromaia' according to Lockington 1877
- 'Quasilaeviranina belongs to Raninoidinae'
- 'Quasilaeviranina arzignanensis belongs to Quasilaeviranina' according to Beschin et al. 1988
- 'Quasilaeviranina keyesi belongs to Quasilaeviranina' according to R. Feldmann and Maxwell 1990
- 'Quasilaeviranina ombonii belongs to Quasilaeviranina' according to Fabiani 1910
- 'Quasilaeviranina ovalis belongs to Quasilaeviranina' according to Rathbun 1935
- 'Quasilaeviranina pororariensis belongs to Quasilaeviranina' according to Glaessner 1980
- 'Quasilaeviranina simplicissima belongs to Quasilaeviranina' according to Bittner 1883
- 'Rakosia belongs to Carupinae'
- 'Rakosia carupoides belongs to Rakosia' according to Muller 1984
- 'Rakosia rectifrons belongs to Rakosia' according to Muller 1996
- 'Randallia belongs to Ebaliinae'
- 'Randallia jingomao belongs to Randallia' according to Hu and Tao 2004
- 'Randallia ornata belongs to Randallia' according to Randall 1839
- 'Randallia pleistocenica belongs to Randallia' according to Rathbun 1926
- 'Randallia prolanata belongs to Randallia' according to Hu and Tao 1996
- 'Randallia saitoensis belongs to Randallia' according to Karasawa 1993
- 'Randallia strouhali belongs to Randallia' according to Bachmayer 1953
- 'Ranidina belongs to Notopodinae'
- 'Ranidina rosaliae belongs to Ranidina' according to Bittner 1893
- 'Ranilia belongs to Notopodinae'
- 'Ranilia constricta belongs to Ranilia' according to Beschin et al. 1988
- 'Ranilia vareolata belongs to Ranilia' according to Lorenthey 1929
- 'Raniliformis belongs to Notopodinae'
- 'Raniliformis baltica belongs to Raniliformis' according to Segerberg 1900
- 'Raniliformis bellini belongs to Raniliformis' according to De Angeli 2010
- 'Raniliformis chevrona belongs to Raniliformis' according to Fraaye and Van Bakel 1998
- 'Raniliformis eocaenica belongs to Raniliformis' according to Beschin et al. 1988
- 'Raniliformis occlusa belongs to Raniliformis' according to Collins et al. 1995
- 'Raniliformis ornata belongs to Raniliformis' according to De Angeli and Beschin 2007
- 'Raniliformis prebaltica belongs to Raniliformis' according to Fraaye and Van Bakel 1998
- 'Raniliformis rugosa belongs to Raniliformis' according to De Angeli and Beschin 2007
- 'Ranina americana belongs to Ranina' according to Withers 1924
- 'Ranina bouilleana belongs to Ranina' according to A. Milne-Edwards 1872
- 'Ranina brevispina belongs to Ranina' according to Lorenthey 1898
- 'Ranina burleighensis belongs to Ranina' according to Holland and Cvancara 1958
- 'Ranina cuspidata belongs to Ranina' according to Guppy 1909
- 'Ranina elegans belongs to Ranina' according to Rathbun 1945
- 'Ranina granulosa belongs to Ranina' according to A. Milne-Edwards 1872
- 'Ranina haszlinskyi belongs to Ranina' according to Reuss 1859
- 'Ranina hirsuta belongs to Ranina' according to Schafhautl 1863
- 'Ranina lamiensis belongs to Ranina' according to Rathbun 1945
- 'Ranina molengraaffi belongs to Ranina' according to Van Straelen 1924
- 'Ranina oblonga belongs to Ranina' according to Munster 1840
- 'Ranina palmea belongs to Ranina' according to E. Sismonda 1846
- 'Ranina propinqua belongs to Ranina' according to Ristori 1891
- 'Ranina ranina belongs to Ranina' according to Linnaeus 1758
- 'Ranina speciosa belongs to Ranina' according to Munster 1840
- 'Ranina tejoniana belongs to Ranina' according to Rathbun 1926
- 'Raninella belongs to Ranininae'
- 'Raninella armata belongs to Raninella' according to Rathbun 1935
- 'Raninella atava belongs to Raninella' according to Carter 1898
- 'Raninella carlilensis belongs to Raninella' according to R. Feldmann and Maxey 1980
- 'Raninella eocenica belongs to Raninella' according to Rathbun 1935
- 'Raninella griesbachi belongs to Raninella' according to Noetling 1897
- 'Raninella libyca belongs to Raninella' according to Van Straelen 1935
- 'Raninella manningi belongs to Raninella' according to Bishop and Williams 2000
- 'Raninella mucronata belongs to Raninella' according to Rathbun 1935
- 'Raninella oaheensis belongs to Raninella' according to Bishop 1978
- 'Raninella quadrispinosus belongs to Raninella' according to Collins et al. 1995
- 'Raninella starkvillensis belongs to Raninella' according to Rathbun 1935
- 'Raninella testacea belongs to Raninella' according to Rathbun 1926
- 'Raninella trechmanni belongs to Raninella' according to Withers 1927
- 'Raninella tridens belongs to Raninella' according to Roberts 1962
- 'Raninella trigeri belongs to Raninella' according to A. Milne-Edwards 1862
- 'Raninidae belongs to Palaeocorystidae'
- 'Ranininae belongs to Palaeocorystidae'
- 'Raninoides acaucana belongs to Raninoides' according to Philippi 1887
- 'Raninoides asper belongs to Raninoides' according to Rathbun 1926
- 'Raninoides barnardi belongs to Raninoides' according to Sakai 1974
- 'Raninoides borealis belongs to Raninoides' according to Collins and Rasmussen 1992
- 'Raninoides budapestiniensis belongs to Raninoides' according to Lorenthey 1897
- 'Raninoides dickersoni belongs to Raninoides' according to Rathbun 1926
- 'Raninoides eugenensis belongs to Raninoides' according to Rathbun 1926
- 'Raninoides fabianii belongs to Raninoides' according to Lorenthey 1929
- 'Raninoides fulgidus belongs to Raninoides' according to Rathbun 1926
- 'Raninoides fulungensis belongs to Raninoides' according to Hu and Tao 1999
- 'Raninoides glabra belongs to Raninoides' according to Woodward 1871
- 'Raninoides goedertorum belongs to Raninoides' according to Tucker 1998
- 'Raninoides gottschei belongs to Raninoides' according to Bohm 1927
- 'Raninoides hollandica belongs to Raninoides' according to Collins 1997
- 'Raninoides javanus belongs to Raninoides' according to Bohm 1922
- 'Raninoides madurensis belongs to Raninoides' according to Beets 1950
- 'Raninoides mexicanus belongs to Raninoides' according to Rathbun 1930
- 'Raninoides morrisi belongs to Raninoides' according to Collins 2003
- 'Raninoides nodai belongs to Raninoides' according to Karasawa 1992
- 'Raninoides notopoides belongs to Raninoides' according to Bittner 1883
- 'Raninoides oregonensis belongs to Raninoides' according to Rathbun 1926
- 'Raninoides perarmata belongs to Raninoides' according to Glaessner 1960
- 'Raninoides pliocenicus belongs to Raninoides' according to De Angeli 2009
- 'Raninoides pulchra belongs to Raninoides' according to Beschin et al. 1988
- 'Raninoides rangiferus belongs to Raninoides' according to Fraaye 1995
- 'Raninoides rathbunae belongs to Raninoides' according to Van Straelen 1933
- 'Raninoides sinuosus belongs to Raninoides' according to Collins and Morris 1978
- 'Raninoides treldenaesensis belongs to Raninoides' according to Collins and Jakobsen 2003
- 'Raninoides vaderensis belongs to Raninoides' according to Rathbun 1926
- 'Raninoides washburnei belongs to Raninoides' according to Rathbun 1926
- 'Raninoidinae belongs to Palaeocorystidae'
- 'Rathbunites belongs to Portuninae'
- 'Rathbunites pentaspinosa belongs to Rathbunites' according to Collins 2009
- 'Rathbunopon atherfieldensis belongs to Rathbunopon' according to Wright 1997
- 'Rathbunopon obesum belongs to Rathbunopon' according to Van Straelen 1944
- 'Rathbunopon oblitum belongs to Rathbunopon' according to Carter 1898
- 'Rathbunopon polyakron belongs to Rathbunopon' according to Stenzel 1945
- 'Rathbunopon schrattenkalkensis belongs to Rathbunopon' according to Klompmaker et al. 2010
- 'Rathbunopon woodsi belongs to Rathbunopon' according to Withers 1951
- 'Rauna belongs to Penaeoidea'
- 'Rauna angusta belongs to Rauna' according to Munster 1839
- 'Remia africana belongs to Remia' according to Remy 2003
- 'Remyranina belongs to Ranininae'
- 'Remyranina ornata belongs to Remyranina' according to Remy 1960
- 'Reschia belongs to Laomediidae'
- 'Reschia barbarae belongs to Reschia' according to Schweigert 2010
- 'Retrocypoda belongs to Retroplumidae'
- 'Retrocypoda almelai belongs to Retrocypoda' according to Via 1959
- 'Retropluma borealis belongs to Retropluma' according to Fraaife et al. 2005
- 'Retropluma gallica belongs to Retropluma' according to Artal et al. 2006
- 'Retropluma laurentae belongs to Retropluma' according to Collins 2003
- 'Retroplumidae belongs to Retroplumoidea'
- 'Retroplumoidea belongs to Brachyura'
- 'Retrorsichela belongs to Retrorsichelidae'
- 'Retrorsichela laevis belongs to Retrorsichela' according to R. Feldmann et al. 1993
- 'Retrorsichelidae belongs to Galatheoidea'
- 'Rhachiosoma belongs to Macropipidae'
- 'Rhachiosoma bispinosa belongs to Rhachiosoma' according to Woodward 1871
- 'Rhachiosoma echinata belongs to Rhachiosoma' according to Woodward 1871
- 'Rhinodromia belongs to Homolodromiidae'
- 'Rhinodromia richardsoni belongs to Rhinodromia' according to Woodward 1896
- 'Rhinolambrus belongs to Parthenopinae'
- 'Rhinolambrus pelagicus belongs to Rhinolambrus' according to Ruppell 1830
- 'Rhinolambrus sublitoralis belongs to Rhinolambrus' according to Morris and Collins 1991
- 'Rhinopoupinia belongs to Poupiniidae'
- 'Rhinopoupinia bicornis belongs to Rhinopoupinia' according to R. Feldmann et al. 1993
- 'Rhizopinae belongs to Pilumnidae'
- 'Rhodanicaris belongs to Penaeoidea'
- 'Rhodanicaris depereti belongs to Rhodanicaris' according to Van Straelen 1924
- 'Rhynchocinetidae belongs to Nematocarcinoidea'
- 'Rocacarcinus gerthi belongs to Rocacarcinus' according to Glaessner 1930
- 'Rochinia belongs to Pisinae'
- 'Roemerus belongs to Grapsoidea'
- 'Rogueus belongs to Lyreidinae'
- 'Rogueus johnsoni belongs to Rogueus' according to Rathbun 1935
- 'Rogueus orri belongs to Rogueus' according to Berglund and R. Feldmann 1989
- 'Romaleon belongs to Cancrinae'
- 'Romaleon antennarium belongs to Romaleon' according to Stimpson 1873
- 'Romaleon branneri belongs to Romaleon' according to Rathbun 1926
- 'Romaleon dereki belongs to Romaleon' according to Natinos 1975
- 'Romaleon gibbosulum belongs to Romaleon' according to De Haan 1833
- 'Romaleon jordani belongs to Romaleon' according to Rathbun 1900
- 'Romaleon nakagawaensis belongs to Romaleon' according to Kato and Hikida 2002
- 'Romaleon polyodon belongs to Romaleon' according to Poeppig 1836
- 'Romaleon sakamotoi belongs to Romaleon' according to Kato 1996
- 'Romaleon sanbonsugii belongs to Romaleon' according to Imaizumi 1962
- 'Romaleon urbanus belongs to Romaleon' according to Rathbun 1917
- 'Rosenfeldia belongs to Eryonidae'
- 'Rosenfeldia oppeli belongs to Rosenfeldia' according to Woodward 1866
- 'Rosenfeldia triasica belongs to Rosenfeldia' according to Garassino et al. 1996
- 'Rugafarius belongs to Palinuridae'
- 'Rugafarius fredrichi belongs to Rugafarius' according to Bishop 1985
- 'Sabahranina belongs to Palaeocorystidae'
- 'Sabahranina trushidupensis belongs to Sabahranina' according to Collins 2003
- 'Sabellidromites belongs to Goniodromitidae'
- 'Sandomingia belongs to Podophthalminae'
- 'Sandomingia yaquiensis belongs to Sandomingia' according to Rathbun 1919
- 'Santeecarcinus belongs to Cancrinae'
- 'Santeecarcinus harmatuki belongs to Santeecarcinus' according to Blow and Manning 1996
- 'Santeella belongs to Eumedoninae'
- 'Santeella lillyae belongs to Santeella' according to Blow and Manning 1996
- 'Santeexanthus belongs to Pseudoziidae'
- 'Santeexanthus wardi belongs to Santeexanthus' according to Blow and Manning 1996
- 'Sarahcarcinus belongs to Cancrinae'
- 'Sarahcarcinus campbellorum belongs to Sarahcarcinus' according to Blow and Manning 1996
- 'Saratunus belongs to Podophthalminae'
- 'Saratunus karasawai belongs to Saratunus' according to Collins 2003
- 'Saratunus longiorbis belongs to Saratunus' according to Collins 2003
- 'Satyrocaris belongs to Penaeoidea'
- 'Satyrocaris cristatus belongs to Satyrocaris' according to Garassino and Teruzzi 1993
- 'Scalopidiidae belongs to Goneplacoidea'
- 'Scapheus ancylochelis is recombined as Pseudoglyphea ancylochelis'
- 'Schizophroida belongs to Majinae'
- 'Schizophroida tertiaria belongs to Schizophroida' according to Jenkins 1985
- 'Schizophrys belongs to Majinae'
- 'Schizophrys visegradensis belongs to Schizophrys' according to Muller 1984
- 'Schlueteria belongs to Axiidae'
- 'Schlueteria carinata belongs to Schlueteria' according to Taylor 1979
- 'Schlueteria menabensis belongs to Schlueteria' according to Secretan 1964
- 'Schlueteria tetracheles belongs to Schlueteria' according to Fritsch and Kafka 1887
- 'Schlueteria tuberculosa belongs to Schlueteria' according to Secretan 1964
- 'Schmelingia belongs to Palaemonidae'
- 'Schmelingia wulfi belongs to Schmelingia' according to Schweigert 2002
- 'Sculptoplax belongs to Xanthidae'
- 'Sculptoplax rigida belongs to Sculptoplax' according to Muller and Collins 1991
- 'Scylla belongs to Necronectinae'
- 'Scylla costata belongs to Scylla' according to Rathbun 1919
- 'Scylla floridana belongs to Scylla' according to Rathbun 1935
- 'Scylla hassiaca belongs to Scylla' according to Ebert 1887
- 'Scylla laevis belongs to Scylla' according to Bohm 1922
- 'Scylla marianae belongs to Scylla' according to Hu and Tao 1996
- 'Scylla michelini belongs to Scylla' according to A. Milne-Edwards 1860
- 'Scylla molassica belongs to Scylla' according to Studer 1898
- 'Scylla ozawai belongs to Scylla' according to Glaessner 1933
- 'Scylla serrata belongs to Scylla' according to Forskal 1775
- 'Scylla sindensis belongs to Scylla' according to Stoliczka 1871
- 'Scyllarella belongs to Scyllaridae'
- 'Scyllarella aspera belongs to Scyllarella' according to Rathbun 1935
- 'Scyllarella gardneri belongs to Scyllarella' according to Woods 1925
- 'Scyllarella gibbera belongs to Scyllarella' according to Rathbun 1935
- 'Scyllaridae belongs to Palinuroidea'
- 'Scyllarides belongs to Scyllaridae'
- 'Scyllarides aequinoctialis belongs to Scyllarides' according to Lund 1793
- 'Scyllarides bolcensis belongs to Scyllarides' according to De Angeli and Garassino 2008
- 'Scyllarides koenigi belongs to Scyllarides' according to Bell 1858
- 'Scyllarides punctatus belongs to Scyllarides' according to Woods 1925
- 'Scyllarides tuberculatus belongs to Scyllarides' according to Konig 1825
- 'Scyllarus belongs to Scyllaridae'
- 'Scyllarus junghumi belongs to Scyllarus' according to Bohm 1922
- 'Scyllarus mantelli belongs to Scyllarus' according to Desmarest 1833
- 'Scyra belongs to Pisinae'
- 'Scyra acutifrons belongs to Scyra' according to Dana 1851
- 'Secretanella belongs to Etyidae'
- 'Secretanella arcuata belongs to Secretanella' according to Secretan 1964
- 'Selenisca belongs to Mecochiridae'
- 'Selenisca gratiosa belongs to Selenisca' according to Von Meyer 1847
- 'Seorsus belongs to Ibericancridae'
- 'Seorsus millerae belongs to Seorsus' according to Bishop 1922
- 'Seorsus wadei belongs to Seorsus' according to Bishop 1988
- 'Sereneopeus belongs to Panopeidae'
- 'Sereneopeus humilis belongs to Sereneopeus' according to Beschin et al. 2007
- 'Sereneopeus kempi belongs to Sereneopeus' according to Quayle and Collins 1981
- 'Serenius belongs to Zosiminae'
- 'Serenius ceylonicus belongs to Serenius' according to Laurie 1906
- 'Sergestoidea belongs to Dendrobranchiata'
- 'Sergio belongs to Callianassidae'
- 'Sergio trilobatus belongs to Sergio' according to Biffar 1970
- 'Sesarma belongs to Sesarmidae'
- 'Sesarma paraensis belongs to Sesarma' according to Beurlen 1958
- 'Sesarma primigenium belongs to Sesarma' according to Collins 2009
- 'Sesarmidae belongs to Grapsoidea'
- 'Sestrostoma belongs to Gaeticinae'
- 'Sestrostoma hichiro belongs to Sestrostoma' according to Karasawa and Tanaka 2005
- 'Sharnia belongs to Etyidae'
- 'Sharnia burnhamensis belongs to Sharnia' according to Collins and Saward 2006
- 'Shazella belongs to Necrocarcinidae'
- 'Shazella abbotsensis belongs to Shazella' according to Collins and Williams 2004
- 'Shinkaia belongs to Galatheidae'
- 'Sicyonia roemeri belongs to Sicyonia' according to Von der Marck 1858
- 'Sicyoniidae belongs to Penaeoidea'
- 'Silvacarcinus laurae belongs to Silvacarcinus' according to Collins and Smith 1992
- 'Simonellia belongs to Euryplacidae'
- 'Simonellia quircensis belongs to Simonellia' according to Vinassa Regny 1897
- 'Sinopemphix belongs to Pemphicidae'
- 'Sinopemphix quizhouensis belongs to Sinopemphix' according to Fenglin 1975
- 'Sodakus belongs to Ibericancridae'
- 'Sodakus mexicanus belongs to Sodakus' according to Vega et al. 1995
- 'Sodakus tatankayotankaensis belongs to Sodakus' according to Bishop 1978
- 'Solenoceridae belongs to Penaeoidea'
- 'Spathagalathea belongs to Galatheidae'
- 'Spathagalathea minuta belongs to Spathagalathea' according to De Angeli and Garassino 2002
- 'Speocarcininae belongs to Xanthidae'
- 'Speocarcinus belongs to Speocarcininae'
- 'Speocarcinus berglundi belongs to Speocarcinus' according to Tucker 1994
- 'Sphaerodromiidae belongs to Dromioidea'
- 'Spinipalicus belongs to Palicidae'
- 'Spinipalicus italicus belongs to Spinipalicus' according to Beschin and De Angeli 2003
- 'Spongicolidae belongs to Stenopodidea'
- 'Spongicolidae belongs to Stenopodidea' according to Schram 1996
- 'Squamosoglyphea belongs to Glypheidae'
- 'Squamosoglyphea redenbacheri belongs to Squamosoglyphea' according to Schweigert and Garassino 2005
- 'Squamosoglyphea rogeri belongs to Squamosoglyphea' according to Schweigert and Garassino 2005
- 'Squamosoglyphea squamosa belongs to Squamosoglyphea' according to Munster 1839
- 'Squamosoglyphea udressieri belongs to Squamosoglyphea' according to Von Meyer 1840
- 'Stemonopa belongs to Albuneidae'
- 'Stemonopa prisca belongs to Stemonopa' according to De Angeli et al. 2005
- 'Stenochiridae belongs to Nephropoidea'
- 'Stenochirus belongs to Stenochiridae'
- 'Stenochirus angustus belongs to Stenochirus' according to Munster 1839
- 'Stenochirus mayeri belongs to Stenochirus' according to Oppel 1862
- 'Stenochirus vahldieki belongs to Stenochirus' according to Schweigert et al. 2006
- 'Stenocionops belongs to Mithracinae'
- 'Stenocionops dyeri belongs to Stenocionops' according to Blow 2003
- 'Stenocionops primus belongs to Stenocionops' according to Rathbun 1935
- 'Stenocionops suwanneeana belongs to Stenocionops' according to Rathbun 1935
- 'Stenodactylina belongs to Erymidae'
- 'Stenodactylina liasina belongs to Stenodactylina' according to Beurlen 1928
- 'Stenodromia belongs to Calappidae'
- 'Stenodromia calasanctii belongs to Stenodromia' according to Via 1959
- 'Stenodromia gibbosa belongs to Stenodromia' according to A. Milne-Edwards 1873
- 'Stenopodidae belongs to Stenopodidea'
- 'Stenopodidea belongs to Pleocyemata'
- 'Stenopodidea belongs to Pleocyemata' according to Claus 1872
- 'Stenorhynchus belongs to Inachidae'
- 'Stenorhynchus lethaeus belongs to Stenorhynchus' according to Smirnov 1929
- 'Stephanometopon belongs to Dromioidea'
- 'Stephanometopon granulatum belongs to Stephanometopon' according to Bosquet 1854
- 'Stintonius belongs to Cheiragonidae'
- 'Stintonius subovata belongs to Stintonius' according to Quayle and Collins 1981
- 'Stoaplax belongs to Euryplacidae'
- 'Stoaplax nandachare belongs to Stoaplax' according to Vega and Cosma 2001
- 'Strahlaxiidae belongs to Callianassoidea'
- 'Striadiogenes belongs to Diogenidae'
- 'Striadiogenes frigerioi belongs to Striadiogenes' according to Garassino et al. 2009
- 'Stylodactyloidea belongs to Caridea'
- 'Styrioplax belongs to Rhizopinae'
- 'Styrioplax exiguus belongs to Styrioplax' according to Glaessner 1928
- 'Sylviocarcinus belongs to Dilocarcininae'
- 'Sylviocarcinus piriformis belongs to Sylviocarcinus' according to Pretzmann 1968
- 'Syphaxiella belongs to Xanthoidea'
- 'Syphaxiella crassus belongs to Syphaxiella' according to A. Milne-Edwards 1864
- 'Szaboa belongs to Matutidae'
- 'Szaboa inermis belongs to Szaboa' according to Brocchi 1883
- 'Szaboa lamarei belongs to Szaboa' according to C. Schweitzer and R. Feldmann 2010
- 'Tanaocheleidae belongs to Xanthoidea'
- 'Tanidromites lithuanicus belongs to Tanidromites' according to Schweigert and Koppka 2010
- 'Tanidromites montreuilense belongs to Tanidromites' according to Cronier and Bouriscot 2009
- 'Tanidromites pustulosus belongs to Tanidromites' according to Von Meyer 1860
- 'Tanidromites scheffnerae belongs to Tanidromites' according to Schweigert and Koppka 2010
- 'Tanidromites sculpta belongs to Tanidromites' according to Quenstedt 1857
- 'Tanzanonautes belongs to Potamonautinae'
- 'Tanzanonautes tuerkai belongs to Tanzanonautes' according to R. Feldmann 2007
- 'Tasadia carniolica belongs to Tasadia' according to Bittner 1884
- 'Tehuacana belongs to Mathildellidae'
- 'Tehuacana meridionalis belongs to Tehuacana' according to Secretan 1961
- 'Tehuacana schweitzerae belongs to Tehuacana' according to Vega 2008
- 'Tehuacana tehuacana belongs to Tehuacana' according to Stenzel 1944
- 'Telamonocarcinus belongs to Dorippidae'
- 'Telamonocarcinus binodosus belongs to Telamonocarcinus' according to Collins et al. 1993
- 'Teleophrys belongs to Mithracinae'
- 'Teleophrys acornis belongs to Teleophrys' according to Portell and Collins 2004
- 'Tepexicarcinus tlayuaensis belongs to Tepexicarcinus' according to R. Feldmann et al. 1998
- 'Tetracarcinus belongs to Dakoticancridae'
- 'Tetracarcinus subquadratus belongs to Tetracarcinus' according to Weller 1905
- 'Tetrachelidae belongs to Eryonoidea'
- 'Tetralia belongs to Tetraliidae'
- 'Tetralia loerentheyi belongs to Tetralia' according to Muller 1975
- 'Tetraliidae belongs to Xanthoidea'
- 'Tetraxanthus belongs to Panopeinae'
- 'Tetraxanthus rathbunae belongs to Tetraxanthus' according to Chace 1939
- 'Thalamita belongs to Thalamitinae'
- 'Thalamita admete belongs to Thalamita' according to Herbst 1803
- 'Thalamita crenata belongs to Thalamita' according to Latreille 1829
- 'Thalamita fani belongs to Thalamita' according to Hu and Tao 1996
- 'Thalamita pleistocenica belongs to Thalamita' according to Hu and Tao 1979
- 'Thalamita truncatata belongs to Thalamita' according to Hu and Tao 1996
- 'Thalamitinae belongs to Portunidae'
- 'Thalamitoides belongs to Thalamitinae'
- 'Thalamitoides quadridens belongs to Thalamitoides' according to A. Milne-Edwards 1869
- 'Thalassina belongs to Thalassinidae'
- 'Thalassina anomala belongs to Thalassina' according to Herbst 1804
- 'Thalassina grandidactylus belongs to Thalassina' according to Robineau Desvoidy 1849
- 'Thalassinidae belongs to Gebiidea'
- 'Thalassocarididae belongs to Pandaloidea'
- 'Thalassograpsinae belongs to Varunidae'
- 'Thaumastochelidae belongs to Nephropoidea'
- 'Thelecarcinus belongs to Xanthoidea'
- 'Thelecarcinus guembeli belongs to Thelecarcinus' according to Bohm 1922
- 'Thelphusograpsus belongs to Xanthoidea'
- 'Thelphusograpsus laevis belongs to Thelphusograpsus' according to Lorenthey 1902
- 'Thia belongs to Thiidae'
- 'Thia simplex belongs to Thia' according to Rathbun 1945
- 'Thiidae belongs to Portunoidea'
- 'Thoe belongs to Mithracinae'
- 'Thoe vanuaensis belongs to Thoe' according to Rathbun 1935
- 'Thomassiniidae belongs to Callianassoidea'
- 'Tiche belongs to Grapsoidea'
- 'Tiche astaciformis belongs to Tiche' according to Vonder Marck 1863
- 'Tillocheles belongs to Chilenophoberidae'
- 'Tillocheles kaoriae belongs to Tillocheles' according to Yokoi and Karasawa 2000
- 'Tillocheles shannonae belongs to Tillocheles' according to Woods 1957
- 'Titanocarcinus belongs to Tumidocarcinidae'
- 'Titanocarcinus euglyphos belongs to Titanocarcinus' according to Bittner 1875
- 'Titanocarcinus mammilatus belongs to Titanocarcinus' according to Secretan 1964
- 'Titanocarcinus polonicus belongs to Titanocarcinus' according to Fraaye 1994
- 'Titanocarcinus sismondae belongs to Titanocarcinus' according to A. Milne-Edwards 1864
- 'Titanocarcinus zoellneri belongs to Titanocarcinus' according to Bachmayer and Mundlos 1968
- 'Titanodorippe belongs to Dorippidae'
- 'Titanodorippe eocenica belongs to Titanodorippe' according to Blow and Manning 1996
- 'Tokoyo belongs to Ebaliinae'
- 'Tokoyo eburnea belongs to Tokoyo' according to Alcock 1896
- 'Tokoyo trinuclodea belongs to Tokoyo' according to Hu and Tao 1996
- 'Tonellocaris belongs to Oplophoridae'
- 'Tonellocaris brevirostrata belongs to Tonellocaris' according to Garassino 1998
- 'Tongapapaka belongs to Pseudoziidae'
- 'Torynomma australis belongs to Torynomma' according to R. Feldmann et al. 1993
- 'Torynomma densus belongs to Torynomma' according to Bishop 1983
- 'Torynomma dentatum belongs to Torynomma' according to Glaessner 1980
- 'Torynomma flemingi belongs to Torynomma' according to Glaessner 1980
- 'Torynomma planata belongs to Torynomma' according to R. Feldmann 1993
- 'Torynomma quadrata belongs to Torynomma' according to Woods 1953
- 'Torynommidae belongs to Torynommoidea'
- 'Trachynotocarcinus belongs to Goniodromitidae'
- 'Trachynotocarcinus naglei belongs to Trachynotocarcinus' according to Bishop 1983
- 'Trachynotocarcinus sulcatus belongs to Trachynotocarcinus' according to Bell 1863
- 'Trachypirimela belongs to Pirimelidae'
- 'Trachypirimela grippi belongs to Trachypirimela' according to Muller 1974
- 'Trachysoma belongs to Glypheidae'
- 'Trachysoma alpina belongs to Trachysoma' according to Oppel 1861
- 'Trachysoma antipodum belongs to Trachysoma' according to Glaessner 1960
- 'Trachysoma bronnii belongs to Trachysoma' according to Vosinsky 1848
- 'Trachysoma cretacea belongs to Trachysoma' according to McCoy 1849
- 'Trachysoma etalloni belongs to Trachysoma' according to Oppel 1861
- 'Trachysoma granulosa belongs to Trachysoma' according to Beurlen 1928
- 'Trachysoma heeri belongs to Trachysoma' according to Oppel 1861
- 'Trachysoma lundgreni belongs to Trachysoma' according to Schluter 1874
- 'Trachysoma ornata belongs to Trachysoma' according to Quenstedt 1858
- 'Trachysoma pustulosa belongs to Trachysoma' according to Von Meyer 1840
- 'Trachysoma rostrata belongs to Trachysoma' according to Phillips 1829
- 'Trachysoma scabra belongs to Trachysoma' according to Bell 1858
- 'Trachysoma terquemi belongs to Trachysoma' according to Oppel 1861
- 'Trachysoma tomesi belongs to Trachysoma' according to Woodward 1868
- 'Trapezia belongs to Trapeziidae'
- 'Trapezia brevispinosa belongs to Trapezia' according to Karasawa 1993
- 'Trapezia digitalis belongs to Trapezia' according to Latreille 1828
- 'Trapezia glaessner belongs to Trapezia' according to Muller 1975
- 'Trapezia prisca belongs to Trapezia' according to Portell and Collins 2004
- 'Trechmannius belongs to Goniodromitidae'
- 'Trechmannius circularis belongs to Trechmannius' according to Collins and Donovan 2006
- 'Tribolocephalus belongs to Lyreidinae'
- 'Tribolocephalus laevis belongs to Tribolocephalus' according to Ristori 1886
- 'Trichodactylidae belongs to Trichodactyloidea'
- 'Trichodactyloidea belongs to Brachyura'
- 'Trichopeltarion berglundorum belongs to Trichopeltarion' according to C. Schweitzer and R. Feldmann 1999
- 'Trichopeltarion decorus belongs to Trichopeltarion' according to Rathbun 1945
- 'Trichopeltarion granulosa belongs to Trichopeltarion' according to C. Schweitzer and Salva 2000
- 'Trichopeltarion huziokai belongs to Trichopeltarion' according to Imaizumi 1951
- 'Trichopeltarion inflatus belongs to Trichopeltarion' according to Kato 1996
- 'Trichopeltarion merrinae belongs to Trichopeltarion' according to C. Schweitzer and Salva 2000
- 'Tritodynamia belongs to Tritodynamiinae'
- 'Tritodynamia miocaenica belongs to Tritodynamia' according to Muller 2006
- 'Tritodynamiinae belongs to Macrophthalmidae'
- 'Trogloplacinae belongs to Chasmocarcinidae'
- 'Tropifer belongs to Coleiidae'
- 'Tropifer laevis belongs to Tropifer' according to Gould 1857
- 'Trypaea belongs to Callianassidae'
- 'Trypaea mizunamiensis belongs to Trypaea' according to Karasawa 1993
- 'Tumidocarcinus dentatus belongs to Tumidocarcinus' according to Glaessner 1960
- 'Tumidocarcinus foesteri belongs to Tumidocarcinus' according to Aguirre-Urreta 1995
- 'Tumidocarcinus tumidus belongs to Tumidocarcinus' according to Woodward 1876
- 'Tumidocarcinus victoriensis belongs to Tumidocarcinus' according to Crespin 1947
- 'Tumidomaia belongs to Majinae'
- 'Tumidomaia batalleri belongs to Tumidomaia' according to Via 1959
- 'Tumidomaia mokattamensis belongs to Tumidomaia' according to R. Feldmann et al. 2010
- 'Tumidomaia priabonensis belongs to Tumidomaia' according to Oppenheim 1901
- 'Tutankhamen belongs to Parthenopinae'
- 'Tutankhamen hieracodes belongs to Tutankhamen' according to Jenkins 1985
- 'Tutus belongs to Calappidae'
- 'Tychinae belongs to Epialtidae'
- 'Tylocarcinus belongs to Pisinae'
- 'Tylocarcinus styx belongs to Tylocarcinus' according to Herbst 1803
- 'Tymolus belongs to Cyclodorippinae'
- 'Tymolus ingens belongs to Tymolus' according to Takeda and Tomida 1984
- 'Tymolus itoigawai belongs to Tymolus' according to Takeda and Tomida 1984
- 'Tymolus kamadai belongs to Tymolus' according to Imaizumi 1952
- 'Typhlocarcinus belongs to Rhizopinae'
- 'Typhlocarcinus galenoformis belongs to Typhlocarcinus' according to Hu and Tao 1996
- 'Typhlocarcinus obtusus belongs to Typhlocarcinus' according to Karasawa 1993
- 'Typhlocarcinus taiwanicus belongs to Typhlocarcinus' according to Hu 1983
- 'Typhlocarididae belongs to Palaemonoidea'
- 'Typilobus alponensis belongs to Typilobus' according to Beschin et al. 2009
- 'Typilobus belli belongs to Typilobus' according to Quayle and Collins 1981
- 'Typilobus birshteinyi belongs to Typilobus' according to Forster and Mundlos 1982
- 'Typilobus boscoi belongs to Typilobus' according to Via 1959
- 'Typilobus corrodatus belongs to Typilobus' according to Noetling 1885
- 'Typilobus johnfeni belongs to Typilobus' according to Hu and Tao 1996
- 'Typilobus kishimotoi belongs to Typilobus' according to Karasawa 1998
- 'Typilobus marginatus belongs to Typilobus' according to Morris and Collins 1991
- 'Typilobus modregoi belongs to Typilobus' according to Via 1959
- 'Typilobus moralejai belongs to Typilobus' according to Muller 1993
- 'Typilobus obscurus belongs to Typilobus' according to Quayle and Collins 1981
- 'Typilobus prevostianus belongs to Typilobus' according to Desmarest 1822
- 'Typilobus sadeki belongs to Typilobus' according to Withers 1925
- 'Typilobus semseyanus belongs to Typilobus' according to Lorenthey 1898
- 'Typilobus trispinosus belongs to Typilobus' according to Lorenthey 1909
- 'Typilobus unispinatus belongs to Typilobus' according to Martins-Neto 2001
- 'Tyrynomma belongs to Torynommidae'
- 'Uca belongs to Ucinae'
- 'Uca antiqua belongs to Uca' according to Brito 1972
- 'Uca galapagensis belongs to Uca' according to Rathbun 1902
- 'Uca hamlini belongs to Uca' according to Rathbun 1926
- 'Uca inaciobritoi belongs to Uca' according to Martins-Neto 2001
- 'Uca maracoani belongs to Uca' according to Latreille 1803
- 'Uca marinae belongs to Uca' according to Dominguez-Alonso 2008
- 'Uca nitida belongs to Uca' according to Desmarest 1822
- 'Uca oldroydi belongs to Uca' according to Rathbun 1926
- 'Uca pugnax belongs to Uca' according to Smith 1870
- 'Uca subcylindrica belongs to Uca' according to Stimpson 1862
- 'Ucididae belongs to Ocypodoidea'
- 'Ucinae belongs to Ocypodidae'
- 'Udora belongs to Procaridoidea'
- 'Udora bigoti belongs to Udora' according to Van Straelen 1924
- 'Udora brevispina belongs to Udora' according to Munster 1839
- 'Udora gevreyi belongs to Udora' according to Van Straelen 1923
- 'Udora koschnyi belongs to Udora' according to Schweigert and Garassino 2004
- 'Udora minuta belongs to Udora' according to Van Straelen 1923
- 'Udorella belongs to Udorellidae'
- 'Udorella agassizi belongs to Udorella' according to A. Oppel 1862
- 'Udorellidae belongs to Procaridoidea'
- 'Uhlias belongs to Ebaliinae'
- 'Uhlias limbatus belongs to Uhlias' according to Stimpson 1871
- 'Umalia belongs to Notopodinae'
- 'Umalia guinotae belongs to Umalia' according to De Angeli and Beschin 2007
- 'Umalia misakiensis belongs to Umalia' according to Sakai 1937
- 'Uncina belongs to Uncinidae'
- 'Uncina alpina belongs to Uncina' according to Schweigert 2003
- 'Uncina ollerenshawi belongs to Uncina' according to Feldmann and Copeland 1988
- 'Uncina pacifica belongs to Uncina' according to Schweigert 2003
- 'Uncina posidoniae belongs to Uncina' according to Quenstedt 1851
- 'Uncinidae belongs to Enoplometopoidea'
- 'Upogebia belongs to Upogebiidae'
- 'Upogebia affinis belongs to Upogebia' according to Say 1818
- 'Upogebia barti belongs to Upogebia' according to Fraaije and Van Bakel 2006
- 'Upogebia boehmi belongs to Upogebia' according to Glaessner 1930
- 'Upogebia clypeata belongs to Upogebia' according to Carter 1898
- 'Upogebia controversa belongs to Upogebia' according to Tribolet 1874
- 'Upogebia digitata belongs to Upogebia' according to Robineau-Desvoidy 1849
- 'Upogebia eocenica belongs to Upogebia' according to Rathbun 1926
- 'Upogebia hibiki belongs to Upogebia' according to Ando and Karasawa 2010
- 'Upogebia imperfecta belongs to Upogebia' according to Sakai 1982
- 'Upogebia lambrechtsi belongs to Upogebia' according to Fraaije and Van Bakel 2006
- 'Upogebia meyeri belongs to Upogebia' according to Robineau-Desvoidy 1849
- 'Upogebia midwayensis belongs to Upogebia' according to Rathbun 1935
- 'Upogebia miocenica belongs to Upogebia' according to Garassino et al. 2009
- 'Upogebia mizunamiensis belongs to Upogebia' according to Karasawa 1989
- 'Upogebia munsteri belongs to Upogebia' according to Robineau-Desvoidy 1849
- 'Upogebia obscura belongs to Upogebia' according to Von Meyer 1834
- 'Upogebia perarolensis belongs to Upogebia' according to De Angeli and Messina 1992
- 'Upogebia rhacheochir belongs to Upogebia' according to Stenzel 1945
- 'Upogebia scabra belongs to Upogebia' according to Muller 1874
- 'Upogebia striata belongs to Upogebia' according to Karasawa and Kishimoto 1996
- 'Upogebia tanegashimensis belongs to Upogebia' according to Karasawa and Inoue 1992
- 'Upogebiidae belongs to Gebiidea'
- 'Urnalana belongs to Leucosiinae'
- 'Urnalana parhaematostica belongs to Urnalana' according to Galil 2005
- 'Utica belongs to Varuninae'
- 'Utica haswelli belongs to Utica' according to Wintle 1886
- 'Utica yarraensis belongs to Utica' according to Wintle 1886
- 'Vanua belongs to Grapsoidea'
- 'Vanua linearius belongs to Vanua' according to Rathbun 1945
- 'Varunidae belongs to Grapsoidea'
- 'Varuninae belongs to Varunidae'
- 'Vectis belongs to Glaessneropsidae'
- 'Vectis caseyi belongs to Vectis' according to Wright and Collins 1972
- 'Vectis echinorum belongs to Vectis' according to Wright and Collins 1972
- 'Vectis wrighti belongs to Vectis' according to Withers 1946
- 'Vegarthron belongs to Callianassidae'
- 'Vegarthron santiago belongs to Vegarthron' according to C. Schweitzer and R. Feldmann 2002
- 'Venipaguridae belongs to Venipaguroidea'
- 'Venipaguroidea belongs to Anomura'
- 'Venipagurus belongs to Venipaguridae'
- 'Venipagurus mariae belongs to Venipagurus' according to Collins 2010
- 'Verrucarcinus cutifrontis belongs to Verrucarcinus' according to Frantescu 2010
- 'Verrucoides stenohedra belongs to Verrucoides' according to Vega and Cosma 2001
- 'Verrucoides verrucoides belongs to Verrucoides' according to Collins and Rasmussen 1992
- 'Vespridromites dawsonensis belongs to Vespridromites' according to Bishop 1973
- 'Vespridromites hearttailensis belongs to Vespridromites' according to Bishop 1985
- 'Vespridromites scotti belongs to Vespridromites' according to Bishop 1983
- 'Viacarcinus belongs to Eumedoninae'
- 'Viacarcinus druidi belongs to Viacarcinus' according to Blow and Manning 1996
- 'Viaophthalmus belongs to Podophthalminae'
- 'Viaophthalmus zariqueyi belongs to Viaophthalmus' according to Via 1959
- 'Viapinnixa belongs to Pinnotherinae'
- 'Viapinnixa alvarezi belongs to Viapinnixa' according to Vega and Cosma 2001
- 'Viapinnixa nodosa belongs to Viapinnixa' according to Collins and Rasmussen 1992
- 'Viapinnixa perrilliatae belongs to Viapinnixa' according to Vega and Nyborg 2007
- 'Viaplax belongs to Euryplacidae'
- 'Viaplax urpiniana belongs to Viaplax' according to Via 1959
- 'Vultocinidae belongs to Goneplacoidea'
- 'Willemoesiocaris belongs to Polychelidae'
- 'Willemoesiocaris ovalis belongs to Willemoesiocaris' according to Van Straelen 1923
- 'Wilmingtonia belongs to Bucculentidae'
- 'Wilmingtonia satyrica belongs to Wilmingtonia' according to Wright and Collins 1972
- 'Wilsonimaia belongs to Majinae'
- 'Wilsonimaia schneiderorum belongs to Wilsonimaia' according to Blow and Manning 1996
- 'Withersella belongs to Torynommidae'
- 'Withersella crepitans belongs to Withersella' according to Wright and Collins 1972
- 'Wongastacia belongs to Nephropidae'
- 'Wongastacia taiwanica belongs to Wongastacia' according to Hu 1984
- 'Woodbinax belongs to Xanthoidea'
- 'Wulaicarcinus belongs to Grapsoidea'
- 'Wulaicarcinus micronus belongs to Wulaicarcinus' according to Hu and Tao 1996
- 'Xaiva belongs to Carcinidae'
- 'Xaiva bachmayeri belongs to Xaiva' according to Muller 1984
- 'Xandarocarcinus belongs to Xandarocarcinidae'
- 'Xandarocarcinus sternbergi belongs to Xandarocarcinus' according to Rathbun 1926
- 'Xanthias belongs to Xanthinae'
- 'Xanthias maculatus belongs to Xanthias' according to Forskal 1775
- 'Xanthias miocenicus belongs to Xanthias' according to Collins 2003
- 'Xanthias similis belongs to Xanthias' according to Hu 1983
- 'Xanthilites bowerbanki belongs to Xanthilites' according to Bell 1858
- 'Xanthilites interpunctatus belongs to Xanthilites' according to Schafhautl 1863
- 'Xanthilites traubi belongs to Xanthilites' according to Forster 1970
- 'Xanthinae belongs to Xanthidae'
- 'Xantho belongs to Xanthinae'
- 'Xantho agassizi belongs to Xantho' according to Robineau-Desvoidy 1849
- 'Xantho edwardsi belongs to Xantho' according to Sismonda 1846
- 'Xantho hydrophilus belongs to Xantho' according to Herbst 1790
- 'Xantho lovisatoi belongs to Xantho' according to Lorenthey 1907
- 'Xantho moldavicus belongs to Xantho' according to Yanakevich 1977
- 'Xantho vitiensis belongs to Xantho' according to Rathbun 1945
- 'Xanthodius belongs to Xanthinae'
- 'Xanthodius kambaraensis belongs to Xanthodius' according to Rathbun 1945
- 'Xanthoidea belongs to Brachyura'
- 'Xanthosia belongs to Etyidae'
- 'Xanthosia americana belongs to Xanthosia' according to Rathbun 1930
- 'Xanthosia buchii belongs to Xanthosia' according to Reuss 1945
- 'Xanthosia buteonis belongs to Xanthosia' according to Wright and Collins 1972
- 'Xanthosia danielae belongs to Xanthosia' according to Collins and Breton 2009
- 'Xanthosia fischeri belongs to Xanthosia' according to A. Milne-Edwards 1862
- 'Xanthosia gibbosa belongs to Xanthosia' according to Bell 1863
- 'Xanthosia gracilis belongs to Xanthosia' according to Jakobsen and Collins 1997
- 'Xanthosia granulosa belongs to Xanthosia' according to McCoy 1854
- 'Xanthosia occidentalis belongs to Xanthosia' according to Bishop 1991
- 'Xanthosia robertsi belongs to Xanthosia' according to Secretan 1982
- 'Xanthosia sakoi belongs to Xanthosia' according to Karasawa et al. 2008
- 'Xanthosia semiornata belongs to Xanthosia' according to Jagt 1991
- 'Xanthosia similis belongs to Xanthosia' according to Bell 1863
- 'Xanthosia socialis belongs to Xanthosia' according to Van Bakel et al. 2005
- 'Xanthosia zoquiapensis belongs to Xanthosia' according to Fraaije et al. 2006
- 'Xanthosioides belongs to Xanthoidea'
- 'Xanthosioides delicata belongs to Xanthosioides' according to Fraaye 1996
- 'Xeinostoma belongs to Xeinostomatinae'
- 'Xeinostoma antiqua belongs to Xeinostoma' according to C. Schweitzer 2001
- 'Xeinostomatinae belongs to Cyclodorippidae'
- 'Xenograpsidae belongs to Grapsoidea'
- 'Xenophthalmidae belongs to Ocypodoidea'
- 'Xenophthalmus belongs to Xenophthalmidae'
- 'Xenophthalmus subitus belongs to Xenophthalmus' according to Morris and Collins 1991
- 'Xiphocarididae belongs to Nematocarcinoidea'
- 'Yongjicaris belongs to Palaemonidae'
- 'Yongjicaris zhejiangensis belongs to Yongjicaris' according to Garassino 2002
- 'Zalasiinae belongs to Xanthidae'
- 'Zanthopsis bispinosa belongs to Zanthopsis' according to Bell 1858
- 'Zanthopsis dufourii belongs to Zanthopsis' according to H. Milne-Edwards 1850
- 'Zanthopsis errans belongs to Zanthopsis' according to Woods 1922
- 'Zanthopsis jacobi belongs to Zanthopsis' according to Van Straelen 1925
- 'Zanthopsis leachii belongs to Zanthopsis' according to Desmarest 1822
- 'Zanthopsis milleri belongs to Zanthopsis' according to Roberts 1955
- 'Zanthopsis minor belongs to Zanthopsis' according to Stolley 1890
- 'Zanthopsis multispinosa belongs to Zanthopsis' according to Remy 1960
- 'Zanthopsis nodosa belongs to Zanthopsis' according to McCoy 1849
- 'Zanthopsis peytoni belongs to Zanthopsis' according to Stenzel 1934
- 'Zanthopsis unispinosa belongs to Zanthopsis' according to McCoy 1849
- 'Zaops belongs to Pinnotherinae'
- 'Zaops ostreus belongs to Zaops' according to Say 1817
- 'Zosiminae belongs to Xanthidae'
- 'Zosimus belongs to Zosiminae'
- 'Zosimus aeneus belongs to Zosimus' according to Linnaeus 1758
- 'Zosimus jeneweni belongs to Zosimus' according to Hu and Tao 2000
- 'Zosimus poxus belongs to Zosimus' according to Hu and Tao 1996
- 'Zygastrocarcinus mendryki belongs to Zygastrocarcinus' according to Bishop 1982
- 'Zygopa belongs to Albuneidae'
- 'Zygopa galantensis belongs to Zygopa' according to De Angeli and Marangon 2001