Taxonomic names from P. De Wever et al. 2001
- Acaeniospongus, Kozur and Mostler 1981 [Oertlispongidae]
- Acaeniotylinae, subfamily, Yang 1993 [Parvivaccidae]
- Acanthobotrys, Popofsky 1913 [Cannobotryidae]
- Acanthodesmia, Müller 1857 [Acanthodesmiidae]
- Acanthodesmiacea, superfamily, Hertwig 1879 [Nassellaria]
- Acanthodesmiidae, family, Hertwig 1879 [Nassellaria]
- Acrocubus, Haeckel 1881 [Acanthodesmiidae]
- Acropyramididae, family, Haeckel 1881 [Nassellaria]
- Acropyramis, Haeckel 1881 [Acropyramididae]
- Actinosphaera, Hollande and Enjumet 1960 [Rhizosphaeridae]
- Albaillellaria, order, Deflandre 1953 [Albaillellaria]
- Albaillellidae, family, Deflandre 1953 [Albaillellaria]
- Albatrossidium, Sanfilippo and Riedel 1992 [Pterocorythidae]
- Amphimelissa, Jorgensen 1905 [Cannobotryidae]
- Amphiplecta, Haeckel 1881 [Lophophaenidae]
- Amphipternis, Foreman 1973 [Amphipyndacidae]
- Amphipyndacea, superfamily, Riedel 1967 [Nassellaria]
- Amphipyndacidae, family, Riedel 1967 [Nassellaria]
- Amphirhopalum, Haeckel 1881 [Spongodiscidae]
- Amphisphaerella, Haeckel 1887 [Saturnalidae]
- Amphispyris, Haeckel 1881 [Acanthodesmiidae]
- Anachoreta, O'Dogherty 1994 [Spongocapsulidae]
- Anakrusidae, family, Nazarov 1977 [Spumellaria]
- Androspyris, Haeckel 1881 [Triospyrididae]
- Angulobracchiidae, family, Baumgartner 1980 [Spumellaria]
- Anisicyrtis, Kozur and Mostler 1981 [Anisicyrtiidae]
- Annikaella, De Wever 1988 [Carpocaniidae]
- Annulotriassocampe, Kozur 1994 [Ruesticyrtiidae]
- Anthocyrtella, Haeckel 1887 [Theopiliidae]
- Aphetocyrtis, Sanfilippo and Caulet 1998 [Lophocyrtiidae]
- Apophysiactinia, Won 1997 [Archaeosemantidae]
- Apophysisphaera, Won 1997 [Entactiniidae]
- Apoplanius, Sanfilippo and Caulet 1998 [Lophocyrtiidae]
- Arachnocorallium, Haeckel 1887 [Lophophaenidae]
- Arachnocorys, Haeckel 1860 [Lophophaenidae]
- Arachnosphaera, Haeckel 1862 [Astrosphaeridae]
- Arachnostylus, Hollande and Enjumet 1960 [Centrocubidae]
- Archaeodictyomitracea, superfamily, Pessagno 1976 [Nassellaria]
- Archaeosemantidae, family, Kozur and Mostler 1981 [Nassellaria]
- Archaeospicularia, order, Dumitrica et al. 2000 [Radiolaria]
- Archaeospongoprunidae, family, Pessagno 1973 [Spumellaria]
- Archicapsa, Haeckel 1881 [Sethocapsidae]
- Archicircus, Haeckel 1887 [Acanthodesmiidae]
- Archiperidium, Haeckel 1881 [Lophophaenidae]
- Archiphaena, Haeckel 1881 [Triospyrididae]
- Archocyrtiidae, family, Kozur and Mostler 1981 [Nassellaria]
- Arcicubulus, Dumitrica 1983 [Centrocubidae]
- Artiscinae, subfamily, Haeckel 1881 [Coccodiscidae]
- Artobotrys, Petrushevskaya 1971 [Carpocaniidae]
- Artostobium, Haeckel 1887 [Artostrobiidae]
- Artostrobiidae, family, Riedel 1967 [Nassellaria]
- Astrosphaera, Haeckel 1887 [Astrosphaeridae]
- Astrosphaeridae, family, Haeckel 1881 [Spumellaria]
- Astrospongus, Mast 1910 [Astrosphaeridae]
- Aurisaturnalis, Dumitrica and Dumitrica-Jud 1994 [Saturnalidae]
- Austrisaturnalinae, subfamily, Kozur and Mostler 1983 [Multiarcusellidae]
- Axocorys, Haeckel 1881 [Theocotylidae]
- Axopruninae, subfamily, Dumitrica 1983 [Saturnalidae]
- Baratuna, Kozur and Mostler 1981 [Tripedurnulidae]
- Baumgartneria, Dumitrica 1982 [Oertlispongidae]
- Becus, Wu 1986 [Pseudoaulophacidae]
- Bekomidae, family, P. De Wever et al. 2001 [Nassellaria]
- Bekomiforma, Sanfilippo and Riedel 1974 [Bekomidae]
- Beleza, Hull 1997 [Archaeodictyomitridae]
- Belonozoum, Haeckel 1887 [Sphaerozoidae]
- Beothuca, Aitchison et al. 1998 [Secuicollactidae]
- Bisphaerocephalus, Popofsky 1908 [Cannobotryidae]
- Bogdanella, Kolar-Jurkovsek 1989 [Oertlispongidae]
- Botryocylinder, Petrushevskaya 1975 [Cannobotryidae]
- Botryometra, Petrushevskaya 1975 [Cannobotryidae]
- Botryopera, Haeckel 1887 [Lophophaenidae]
- Buccinosphaera, Haeckel 1887 [Collosphaeridae]
- Bulbocyrtiidae, family, Kozur and Mostler 1981 [Nassellaria]
- Bulbocyrtium, Kozur and Mostler 1981 [Bulbocyrtiidae]
- Cachecreekaria, Dumitrica and Carter 1999 [Kungalariidae]
- Callella, Won 1983 [Entactiniidae]
- Campylacantha, Jorgensen 1905 [Plagiacanthidae]
- Cannobotryidae, family, Haeckel 1881 [Nassellaria]
- Carinacyclia, Kozur and Mostler 1972 [Veghicycliidae]
- Carpocaniidae, family, Haeckel 1881 [Nassellaria]
- Carpocaniinae, subfamily, Haeckel 1881 [Carpocaniidae]
- Carposphaera, Haeckel 1881 [Actinommidae]
- Catenopyle, Dumitrica 1989 [Catenopylidae]
- Catenopylidae, family, Dumitrica 1989 [Spumellaria]
- Cauletella, Caridroit et al. 1999 [Cauletellidae]
- Cauletellidae, family, Caridroit et al. [Latentifistularia]
- Cavaspongiidae, family, Pessagno 1973 [Spumellaria]
- Cavidiscus, Pessagno 1976 [Cavaspongiidae]
- Cecryphalium, Haeckel 1881 [Theopiliidae]
- Celluronta, Sugiyama 1997 [Acropyramididae]
- Centracontium, Popofsky 1912 [Hexastylidae]
- Centrocubus, Haeckel 1887 [Centrocubidae]
- Centrolonche, Popofsky 1912 [Hexastylidae]
- Ceratocyrtis, Bütschli 1882 [Lophophaenidae]
- Ceratoikiscidae, family, Holdsworth 1969 [Albaillellaria]
- Ceratospyris, Ehrenberg 1847 [Triospyrididae]
- Circodiscinae, subfamily, Dumitrica 1989 [Larnacillidae]
- Circodiscus, Petrushevskaya and Kozlova 1972 [Larnacillidae]
- Circospyris, Haeckel 1881 [Acanthodesmiidae]
- Cladarachnium, Haeckel 1881 [Acropyramididae]
- Cladococcus, Mueller 1856 [Astrosphaeridae]
- Clathrobursa, Haeckel 1881 [Triospyrididae]
- Clathrocanium, Ehrenberg 1860 [Sethoperidae]
- Clathrocorys, Haeckel 1881 [Sethoperidae]
- Clathrocycloma, Haeckel 1887 [Eucyrtidiidae]
- Clavaxitus, Dumitrica 1997 [Xitidae]
- Clinorhabdus, Sanfilippo and Caulet 1998 [Lophocyrtiidae]
- Coccodiscidae, family, Haeckel 1862 [Spumellaria]
- Coccodiscinae, subfamily, Haeckel 1862 [Coccodiscidae]
- Collodaria, order, Haeckel 1881 [Radiolaria]
- Collosphaera, Müller 1855 [Collosphaeridae]
- Collosphaeridae, family, Müller 1858 [Collodaria]
- Collozoum, Haeckel 1862 [Sphaerozoidae]
- Coniforma, Pessagno 1969 [Neosciadiocapsidae]
- Conocaryommidae, family, Lipman 1969 [Spumellaria]
- Conospongocyrtis, Kozur and Mostler 1994 [Spongolophophenidae]
- Conostylus, Popofsky 1907 [Thalassothamnidae]
- Cornellus, Kozur and Mostler 1989 [Ormistonellidae]
- Cornum, Schwartzapfel and Holdsworth 1996 [Corythoecidae]
- Corythoecidae, family, Nazarov 1981 [Albaillellaria]
- Corythospyris, Haeckel 1881 [Triospyrididae]
- Cromyosphaera, Haeckel 1881 [Actinommidae]
- Cryptocarpium, Sanfilippo and Riedel 1992 [Pterocorythidae]
- Cryptogyrus, Sugiyama 1993 [Lophophaenidae]
- Cryptolarnaciinae, subfamily, Dumitrica 1989 [Larnacillidae]
- Cryptolarnacium, Dumitrica 1989 [Larnacillidae]
- Cuboctostylus, Bragnia 1999 [Polyentactiniidae]
- Cuniculiformidae, family, De Wever 1982 [Nassellaria]
- Curvalbaillella, Kozur and Mostler 1989 [Follicucullidae]
- Cymaetron, Caulet 1991 [Eucyrtidiidae]
- Cypassis, Haeckel 1887 [Coccodiscidae]
- Cyrtisphaeronemium, Deflandre 1972 [Archocyrtiidae]
- Cyrtolagena, Haeckel 1887 [Amphipyndacidae]
- Cytocladus, Schröder 1906 [Thalassothamnidae]
- Dactyliosphaeridae, family, Squinabol 1904 [Spumellaria]
- Deflandrecyrtiidae, family, Kozur and Mostler 1979 [Nassellaria]
- Deflantrica, Wakamatsu et al. 1990 [Palaeoscenidiidae]
- Diacanthocapsinae, subfamily, O'Dogherty 1994 [Carpocaniidae]
- Diceratigalea, Takemura and Nakaseko 1982 [Hilarisiregidae]
- Dicerosaturnalis, Dumitrica and Dumitrica-Jud 1994 [Saturnalidae]
- Dictyodedalus, O'Dogherty 1994 [Acropyramididae]
- Dictyospris, Ehrenberg 1847 [Acanthodesmiidae]
- Dimelissa, Campbell 1951 [Lophophaenidae]
- Diplocyclas, Haeckel 1881 [Theopiliidae]
- Diplosphaera, Haeckel 1860 [Astrosphaeridae]
- Diplospongus, Mast 1910 [Centrocubidae]
- Diplostrobus, Squinabol 1903 [Archaeodictyomitridae]
- Dipocoronis, Haeckel 1881 [Acanthodesmiidae]
- Dipylissa, Dumitrica 1988 [Pyloniidae]
- Dipylissinae, subfamily, Dumitrica 1988 [Pyloniidae]
- Discokatorella, Kozur and Mostler 1994 [Pyramispongiidae]
- Dispongotripus, Squinabol 1903 [Pseudoaulophacidae]
- Divatella, Kozur and Mostler 1981 [Eptingiidae]
- Drymosphaera, Haeckel 1881 [Astrosphaeridae]
- Dumetum, Popofsky 1908 [Plagiacanthidae]
- Dumitricaia, Pessagno 1976 [Cavaspongiidae]
- Duodecimentactinia, Won 1997 [Spongentactiniidae]
- Duosphaera, Won 1998 [Entactiniidae]
- Echidninacea, superfamily, Kozur et al. 1996 [Archaeospicularia]
- Elaphococcus, Haeckel 1881 [Astrosphaeridae]
- Elatommura, Haeckel 1887 [Rhizosphaeridae]
- Emiluviidae, family, Dumitrica 1995 [Spumellaria]
- Enneaphormis, Haeckel 1881 [Sethophormididae]
- Entapiidae, family, P. De Wever et al. 2001 [Spumellaria]
- Eoalbaillella, Feng and Liu 1993 [Holoeciscidae]
- Eospongosaturninus, Kozur and Mostler 1990 [Saturnalidae]
- Eoxitus, Kozur 1985 [Parvicingulidae]
- Etymalbaillella, Li 1995 [Proventocitidae]
- Eucyrtidiacea, superfamily, Ehrenberg 1847 [Nassellaria]
- Eucyrtidiidae, family, Ehrenberg 1847 [Nassellaria]
- Eucyrtiidae, family, Ehrenberg 1847 [Nassellaria]
- Eurystomoskevos, Caulet 1991 [Theopiliidae]
- Ewingium, Pessagno 1976 [Neosciadiocapsidae]
- Excentrococcus, Dumitrica 1978 [Heliodiscidae]
- Excentroconcha, Mast 1910 [Centrocubidae]
- Excentrodiscus, Hollande and Enjumet 1960 [Heliodiscidae]
- Excentropylomma, Dumitrica 1970 [Williriedellidae]
- Excentrosphaerella, Dumitrica 1978 [Heliodiscidae]
- Falcispongus, Dumitrica 1982 [Oertlispongidae]
- Follicucullidae, family, Ormiston and Babcock 1979 [Albaillellaria]
- Foremanconus, Kozur and Mostler 1989 [Follicucullidae]
- Foremanellina, Dumitrica 1982 [Foremanellinidae]
- Foremanhelena, De Wever and Caridroit 1984 [Cauletellidae]
- Fueloepicyrtis, Kozur and Mostler 1981 [Nabolellidae]
- Fukujus, Furutani 1990 [Palaeoscenidiidae]
- Fusalfanus, Furutani 1990 [Inaniguttidae]
- Gamospyris, Haeckel 1881 [Triospyrididae]
- Gedauia, Won 1983 [Palaeolithocycliidae]
- Gibberospongus, Kozur and Mostler 1996 [Oertlispongidae]
- Glanta, Wakamatsu et al. 1990 [Ceratoikiscidae]
- Gomberellidae, family, Kozur and Mostler 1981 [Spumellaria]
- Gonosphaera, Jorgensen 1905 [Centrocubidae]
- Goodbodium, Furutani 1990 [Palaeoscenidiidae]
- Gracilentactinia, Kozur and Mostler 1989 [Entactiniidae]
- Haeckeliella, Hollande and Enjumet 1960 [Astrosphaeridae]
- Haliommilla, Haeckel 1887 [Rhizosphaeridae]
- Haliphormartidium, Campbell 1951 [Acropyramididae]
- Haploaxon, Cordey 1998 [Ormistonellidae]
- Haplosphaera, Hollande and Enjumet 1960 [Astrosphaeridae]
- Heleninae, subfamily, Hull 1997 [Parvivaccidae]
- Heliodiscidae, family, Haeckel 1881 [Spumellaria]
- Heliosaturnalinae, subfamily, Kozur and Mostler 1972 [Saturnalidae]
- Heliosestrum, Haeckel 1881 [Coccodiscidae]
- Heptacladidae, family, Dumitrica et al. 1980 [Entactinaria]
- Heteracantha, Mast 1910 [Astrosphaeridae]
- Heterosoma, Mast 1910 [Hexalonchidae]
- Hexalonchidae, family, Haeckel 1881 [Entactinaria]
- Hexancistra, Haeckel 1881 [Astrosphaeridae]
- Hexaporobrachiidae, family, Kozur and Mostler 1979 [Spumellaria]
- Hexapyle, Haeckel 1881 [Pyloniidae]
- Hexapylocapsa, Dumitrica and Zuegel 1998 [Hexapylocapsidae]
- Hexapylocapsidae, family, Dumitrica and Zuegel 1998 [Nassellaria]
- Hexapyramis, Squinabol 1903 [Astrosphaeridae]
- Hexasaturnalinae, subfamily, Kozur and Mostler 1983 [Saturnalidae]
- Hexastylidae, family, Haeckel 1881 [Entactinaria]
- Hindeosphaeridae, family, Kozur and Mostler 1981 [Entactinaria]
- Histriastrinae, subfamily, Dumitrica 1989 [Larnacillidae]
- Holdsworthum, Furutani 1990 [Palaeoscenidiidae]
- Hollandosphaera, Deflandre 1973 [Hexalonchidae]
- Holocryptocanium, Dumitrica 1970 [Williriedellidae]
- Homoeoarchicorys, Empson-Morin 1981 [Sethocapsidae]
- Hungarosaturnalis, Kozur and Mostler 1983 [Multiarcusellidae]
- Imotoella, Kozur and Mostler 1989 [Albaillellidae]
- Inaequalientactinia, Won 1991 [Entactiniidae]
- Inaniguttidae, family, Nazarov and Ormiston 1984 [Entactinaria]
- Intermediella, Lahm 1984 [Pyramispongiidae]
- Intracorpus, Won 1997 [Pseudorotasphaeridae]
- Karnospongella, Kozur and Mostler 1981 [Gomberellidae]
- Katorella, Kozur and Mostler 1981 [Pyramispongiidae]
- Kitoconus, Kozur and Mostler 1989 [Follicucullidae]
- Komoella, Lahm 1984 [Heptacladidae]
- Kozuria, Zhang 1990 [Livarellidae]
- Kozurium, Pessagno 1977 [Williriedellidae]
- Kreutzstella, Empson-Morin 1981 [Emiluviidae]
- Kulacella, Kozur and Mostler 1981 [Pyramispongiidae]
- Kungalariidae, family, Dumitrica and Carter 1999 [Entactinaria]
- Lampromitra, Haeckel 1881 [Lophophaenidae]
- Lamprospyris, Haeckel 1881 [Triospyrididae]
- Lamprotripus, Haeckel 1881 [Lophophaenidae]
- Larnacilla, Haeckel 1887 [Larnacillidae]
- Larnacillidae, family, Haeckel 1887 [Spumellaria]
- Larnacillinae, subfamily, Haeckel 1887 [Larnacillidae]
- Larnacopylomma, Dumitrica 1989 [Larnacillidae]
- Latentibifistula, Nazarov and Ormiston 1983 [Ruzhencevispongidae]
- Latentifistularia, order, Caridroit et al. 1999 [Radiolaria]
- Latentifistulidae, family, Nazarov and Ormiston 1983 [Latentifistularia]
- Laxtorum, Blome 1984 [Canoptidae]
- Leptosphaera, Haeckel 1887 [Astrosphaeridae]
- Leugeoninae, subfamily, Yang and Wang 1990 [Parvivaccidae]
- Litharachnium, Haeckel 1860 [Acropyramididae]
- Litheliidae, family, Haeckel 1862 [Spumellaria]
- Lithocircus, Müller 1857 [Acanthodesmiidae]
- Lithotympanum, Haeckel 1881 [Acanthodesmiidae]
- Livarellidae, family, Kozur and Mostler 1981 [Nassellaria]
- Livinalongella, Lahm 1984 [Heptacladidae]
- Lobactinocapsa, Dumitrica 1978 [Pentactinocarpidae]
- Lonchosphaera, Popofsky 1908 [Centrocubidae]
- Longtanella, Sheng and Wang 1985 [Follicucullidae]
- Lophocyrtiidae, family, P. De Wever et al. 2001 [Nassellaria]
- Lophophaenidae, family, Haeckel 1881 [Nassellaria]
- Lophophaenoma, Haeckel 1887 [Lophophaenidae]
- Lychnosphaera, Haeckel 1881 [Astrosphaeridae]
- Magnentactinia, W 1997 [Entactiniidae]
- Magnisphaera, Won 1997 [Entactiniidae]
- Mallanites, O'Dogherty 1994 [Actinommidae]
- Miropyle, Dumitrica 1988 [Miropylidae]
- Miropylidae, family, Dumitrica 1988 [Spumellaria]
- Monicastericidae, family, Kozur and Mostler 1994 [Nassellaria]
- Monicasterix, Kozur and Mostler 1994 [Monicastericidae]
- Muellericyrtium, Kozur and Mostler 1981 [Ultranaporidae]
- Muelleritortis, Kozur 1988 [Hindeosphaeridae]
- Mulderella, Kozur and Mostler 1981 [Hindeosphaeridae]
- Multiarcusellidae, family, Kozur and Mostler 1979 [Entactinaria]
- Multiarcusellinae, subfamily, Kozur and Mostler 1979 [Multiarcusellidae]
- Multientactinia, Won 1997 [Spongentactiniidae]
- Myelastridae, family, Riedel 1971 [Spumellaria]
- Nabolella, Petrushevskaya 1981 [Nabolellidae]
- Nabolellidae, family, Kozur and Mostler 1979 [Nassellaria]
- Nanina, Kozur and Mostler 1982 [Hexalonchidae]
- Nazaromistonella, Furutani 1990 [Ceratoikiscidae]
- Nazarovispongus, Kozur 1980 [Ruzhencevispongidae]
- Neobotrys, Popofsky 1913 [Cannobotryidae]
- Neocanoptum, Zhang 1990 [Canoptidae]
- Neopaurinella, Kozur and Mostler 1981 [Pyramispongiidae]
- Nephrodictyum, Haeckel 1881 [Acanthodesmiidae]
- Nevanellus, Kozur and Mostler 1981 [Ruesticyrtiidae]
- Obeliscoites, O'Dogherty 1994 [Obeliscoitidae]
- Obeliscoitidae, family, O'Dogherty 1994 [Nassellaria]
- Obeliscus, Popofsky 1913 [Lophophaenidae]
- Octopyle, Haeckel 1881 [Pyloniidae]
- Oertlispongidae, family, Kozur and Mostler 1980 [Spumellaria]
- Ormistonellidae, family, De Wever and Caridroit 1984 [Latentifistularia]
- Ornatisaturnalis, Kozur and Mostler 1994 [Multiarcusellidae]
- Orodapis, Friend and Riedel 1967 [Orosphaeridae]
- Oropelex, Friend and Riedel 1967 [Orosphaeridae]
- Orosphaera, Haeckel 1887 [Orosphaeridae]
- Orostaurus, Friend and Riedel 1967 [Orosphaeridae]
- Pactarentinia, Furutani 1983 [Palaeoscenidiidae]
- Pacyoncus (Pessagno and Blome 1980) [Pantanelliidae]
- Palacantholithidae, family, Kozur and Mostler 1981 [Albaillellaria]
- Palaeoactinosphaera, Noble 1994 [Pseudorotasphaeridae]
- Palaeoastrocyclia, Kozur and Mostler 1972 [Palaeolithocycliidae]
- Palaeolithocyclia, Kozur and Mostler 1972 [Palaeolithocycliidae]
- Palaeolithocycliidae, family, Kozur and Mostler 1989 [Entactinaria]
- Palaeosaturnalis, Donofrio and Mostler 1978 [Saturnalidae]
- Palaeoscenidiidae, family, Riedel 1967 [Entactinaria]
- Palaeospongurus, Kozur and Mostler 1981 [Archaeospongoprunidae]
- Palaeotetrapyle, Dumitrica 1988 [Pyloniidae]
- Palaeotetrapylinae, subfamily, Dumitrica 1988 [Pyloniidae]
- Palaeoumbraculum, Amon et al. 1995 [Secuicollactidae]
- Palaeoxyphostylus, Won 1983 [Entactiniidae]
- Pantanelliinae, subfamily, Pessagno 1977 [Pantanelliidae]
- Paracystidium, Cachon and Cachon 1969 [Plagiacanthidae]
- Paradictyum, Haeckel 1881 [Acanthodesmiidae]
- Paralampterium, Sanfilippo 1990 [Lophocyrtiidae]
- Paramphibrachium, Kozur and Mostler 1978 [Palaeolithocycliidae]
- Pararchocyrtium, Deflandre 1972 [Archocyrtiidae]
- Paratriassocampe, Kozur and Mostler 1994 [Ruesticyrtiidae]
- Paratriposphaera, Kozur and Mostler 1989 [Entactiniidae]
- Paroertlispongus, Kozur and Mostler 1981 [Oertlispongidae]
- Parvicingulinae, subfamily, Pessagno 1977 [Parvicingulidae]
- Parvivaccinae, subfamily, Pessagno and Yang 1989 [Parvivaccidae]
- Patrickaella, Kozur and Mostler 1989 [Ruzhencevispongidae]
- Patruliidae, family, Dumitrica 1989 [Spumellaria]
- Patrulius, Dumitrica 1989 [Patruliidae]
- Paulianella, Kozur and Mostler 1989 [Ormistonellidae]
- Paurinella, Kozur and Mostler 1981 [Pyramispongiidae]
- Pentactinocapsa, Dumitrica 1978 [Pentactinocarpidae]
- Pentactinorbis, Dumitrica 1978 [Pentactinocarpidae]
- Pentactinosphaera, Nagata and Nishimura 1983 [Hexalonchidae]
- Pentaplagia, Cachon and Cachon 1969 [Plagiacanthidae]
- Pentaporobrachia, Kozur and Mostler 1981 [Hagiastridae]
- Pentapyloniinae, subfamily, P. De Wever et al. 2001 [Pseudoaulophacidae]
- Pentapylonium, Dumitrica 1991 [Pseudoaulophacidae]
- Pentaspyris, Haeckel 1881 [Triospyrididae]
- Pentatortis, Kozur 1988 [Hindeosphaeridae]
- Pentophiastrum, Haeckel 1887 [Myelastridae]
- Peripyramis, Haeckel 1881 [Acropyramididae]
- Perisphyridium, Dumitrica 1978 [Eptingiidae]
- Perispyris, Haeckel 1881 [Acanthodesmiidae]
- Pessagnocyrtium, Kozur and Mostler 1981 [Bulbocyrtiidae]
- Pessagnoella, Kozur and Mostler 1978 [Pseudoaulophacidae]
- Pessagnulus, Dumitrica 1983 [Centrocubidae]
- Petalospyrella, Haeckel 1887 [Triospyrididae]
- Petalospyris, Ehrenberg 1847 [Triospyrididae]
- Phacostaurus, Haeckel 1881 [Coccodiscidae]
- Phalangites, O'Dogherty 1994 [Eucyrtidiidae]
- Phaseliformidae, family, Pessagno 1972 [Spumellaria]
- Phormacantha, Jorgensen 1905 [Lophophaenidae]
- Phorticium, Haeckel 1881 [Pyloniidae]
- Phrenocodon, Haeckel 1887 [Theopiliidae]
- Picapora, Kozur and Mostler 1981 [Ultranaporidae]
- Plagiacantha, Claparede 1858 [Plagiacanthidae]
- Plagiacanthinae, subfamily, Hertwig 1879 [Plagiacanthidae]
- Plagiocarpa, Haeckel 1881 [Stephaniidae]
- Plagonium, Haeckel 1881 [Plagiacanthidae]
- Planispinocyrtiidae, family, Kozur and Mostler 1981 [Nassellaria]
- Planispinocyrtis, Kozur and Mostler 1981 [Planispinocyrtiidae]
- Plectacantha, Jorgensen 1905 [Lophophaenidae]
- Plectagonidium, Cachon and Cachon 1969 [Plagiacanthidae]
- Plectodiscus, Petrushevskaya and Kozlova 1972 [Larnacillidae]
- Plenoentactinia, Won 1997 [Spongentactiniidae]
- Ploechingerella, Kozur and Mostler 1983 [Spongosaturnaloididae]
- Polycystina, superorder (Ehrenberg 1867) [Radiolaria]
- Polyentactiniidae, family, Nazarov 1975 [Entactinaria]
- Polyplecta, Haeckel 1881 [Plagiacanthidae]
- Polypleuris, Haeckel 1887 [Acropyramididae]
- Popofskyellidae, family, Deflandre 1964 [Nassellaria]
- Porococcus, Hollande and Enjumet 1960 [Astrosphaeridae]
- Praeacanthocircus, Kozur and Mostler 1983 [Saturnalidae]
- Praecatenopyle, Dumitrica 1989 [Catenopylidae]
- Praeheliostaurus, Kozur and Mostler 1972 [Multiarcusellidae]
- Praeholdsworthella, Kozur and Mostler 1989 [Albaillellidae]
- Praesaturnalis, Li 1994 [Secuicollactidae]
- Praexitus, Dumitrica 1997 [Xitidae]
- Protoscenium, Jorgensen 1905 [Sethophormididae]
- Proventocitidae, family, Aitchison 1998 [Proventocitidae]
- Pseudacanthosphaera, O'Dogherty 1994 [Actinommidae]
- Pseudoalbaillella fusiformis (Holdsworth and Jones 1980) [Follicucullidae]
- Pseudoaulophacinae, subfamily, Riedel 1967 [Pseudoaulophacidae]
- Pseudocrolanium, Jud 1994 [Parvicingulidae]
- Pseudocubus, Haeckel 1887 [Lophophaenidae]
- Pseudodictyophimus, Petrushevskaya 1971 [Lophophaenidae]
- Pseudoertlispongus, Lahm 1984 [Oertlispongidae]
- Pseudoheptacladus, Lahm 1984 [Heptacladidae]
- Pseudohigumastra, Yang 1993 [Hagiastridae]
- Pseudohsuum, Zhang 1990 [Hsuidae]
- Pseudolitheliidae, family, Kozur and Mostler 1989 [Latentifistularia]
- Pseudolithelius, Kozur and Mostler 1989 [Pseudolitheliidae]
- Pseudorotasphaera, Noble 1994 [Pseudorotasphaeridae]
- Pseudorotasphaeridae, family, Noble 1994 [Archaeospicularia]
- Pseudosaturniformidae, family, Kozur and Mostler 1979 [Nassellaria]
- Pseudosepsagon, Kozur and Mostler 1994 [Heptacladidae]
- Pseudotriassocampe, Kozur and Mostler 1994 [Ruesticyrtiidae]
- Psychospyris, Riedel and Sanfilippo 1971 [Triospyrididae]
- Pterocorythidae, family, Haeckel 1881 [Nassellaria]
- Pteropilium, Haeckel 1881 [Sethoperidae]
- Pterospongus, Dumitrica 1982 [Oertlispongidae]
- Pylentonemidae, family, Deflandre 1963 [Entactinaria]
- Pylobotrys, Haeckel 1881 [Cannobotryidae]
- Pylodiscinae, subfamily, Haeckel 1887 [Pyloniidae]
- Pylodiscus, Haeckel 1887 [Pyloniidae]
- Pylolena, Haeckel 1887 [Pyloniidae]
- Pyloniacea, superfamily, Haeckel 1881 [Spumellaria]
- Pyloniidae, family, Haeckel 1881 [Spumellaria]
- Pyloniinae, subfamily, Dumitrica 1989 [Pyloniidae]
- Pylonium, Haeckel 1881 [Pyloniidae]
- Pyramispongiidae, family, Kozur and Mostler 1978 [Spumellaria]
- Quarticella, Takemura 1986 [Syringocapsidae]
- Quasipetasus, Blome 1984 [Bulbocyrtiidae]
- Quinquecapsulariidae, family, Dumitrica 1995 [Entactinaria]
- Radiobisphaera, Won 1997 [Entactiniidae]
- Raphidozoum, Haeckel 1862 [Sphaerozoidae]
- Recoaroella, Dumitrica 1982 [Foremanellinidae]
- Relindellidae, family, Kozur and Mostler 1980 [Spumellaria]
- Retentactinia, Won 1997 [Spongentactiniidae]
- Retisphaera, Won 1997 [Spongentactiniidae]
- Rhizosphaera, Haeckel 1860 [Rhizosphaeridae]
- Rhizosphaeridae, family, Haeckel 1881 [Entactinaria]
- Rhizospongus, Mast 1910 [Astrosphaeridae]
- Rhodospyris, Haeckel 1881 [Triospyrididae]
- Rhopalatractus, Haeckel 1881 [Eucyrtiidae]
- Rikivatella, Kozur and Mostler 1981 [Pyramispongiidae]
- Rotaformidae, family, Pessagno 1970 [Nassellaria]
- Ruzhencevispongidae, family, Kozur 1980 [Latentifistularia]
- Saccospyris, Haecker 1908 [Cannobotryidae]
- Saturnalbaillella, Kozur and Mostler 1989 [Albaillellidae]
- Saturnalidae, family, Deflandre 1953 [Entactinaria]
- Saturnalinae, subfamily, Deflandre 1953 [Saturnalidae]
- Savaryella, Jud 1994 [Hagiastridae]
- Scharfenbergia, Won 1983 [Latentifistulidae]
- Sciadiopeplus, Sanfilippo 1990 [Lophocyrtiidae]
- Scutispongus, Kozur and Mostler 1996 [Oertlispongidae]
- Secuicollactacea, superfamily, Nazarov and Ormiston 1984 [Archaeospicularia]
- Semantis, Haeckel 1887 [Acanthodesmiidae]
- Sethophormididae, family, Haeckel 1881 [Nassellaria]
- Sethophormis, Haeckel 1881 [Sethophormididae]
- Sethopyramis, Haeckel 1881 [Acropyramididae]
- Shana, Wu and Pessago 1993 [Pseudodictyomitridae]
- Solicubulus, Dumitrica 1983 [Centrocubidae]
- Solisaturnalis, Mostler and Kreiner 1994 [Multiarcusellidae]
- Spaerodiscus, Won 1983 [Palaeolithocycliidae]
- Sphaerozoidae, family, Haeckel 1862 [Collodaria]
- Spinodeflandrella, Kozur 1981 [Albaillellidae]
- Spongentactiniidae, family, Nazarov 1975 [Entactinaria]
- Spongodiscacea, superfamily, Haeckel 1862 [Spumellaria]
- Spongoliva, Haeckel 1887 [Coccodiscidae]
- Spongolophophaena, Kozur and Mostler 1994 [Spongolophophenidae]
- Spongolophophenidae, family, Kozur and Mostler 1994 [Nassellaria]
- Spongopyramis, Haeckel 1887 [unclassified genus]
- Spongosaturnaloididae, family, Kozur and Mostler 1983 [Entactinaria]
- Spongosaturninus, Campbell and Clark 1944 [Saturnalidae]
- Spongoserrula, Dumitrica 1980 [Oertlispongidae]
- Spongosilicarmigeridae, family, P. De Wever et al. 2001 [Nassellaria]
- Spongostephanidium, Dumitrica 1978 [Eptingiidae]
- Sponguracea, superfamily, Haeckel 1862 [Spumellaria]
- Staurentactinia, Schwartzapfel and Holdsworth 1996 [Pseudolitheliidae]
- Stauropylissa, Dumitrica 1989 [Heptacladidae]
- Staurosphaeretta, Squinabol 1904 [Actinommidae]
- Steganocubus, Sugiyama 1993 [Lophophaenidae]
- Steigerispongus, Kozur and Mostler 1996 [Oertlispongidae]
- Stephaniidae, family, Haeckel 1887 [Nassellaria]
- Stephanospyris, Haeckel 1881 [Triospyrididae]
- Sticholagena, Haeckel 1887 [Amphipyndacidae]
- Stichophaetna, Haeckel 1881 [Amphipyndacidae]
- Stichophormiscus, Haeckel 1887 [Amphipyndacidae]
- Stichophormium, Haeckel 1887 [Amphipyndacidae]
- Stigmosphaerusa, Hollande and Enjumet 1960 [Hexastylidae]
- Stigmostylus, Hollande and Enjumet 1960 [Hexastylidae]
- Stolbergia, Kozur and Mostler 1989 [Palaeolithocycliidae]
- Striatotriassocampe, Kozur and Mostler 1994 [Ruesticyrtiidae]
- Stuermeria, Deflandre 1964 [Actinommidae]
- Stygmosphaerostylus, Rüst 1892 [Entactiniidae]
- Stylacontarium, Popofsky 1912 [Saturnalidae]
- Stylactinosphaera, Noble 1994 [Pseudorotasphaeridae]
- Stylosphaeridae, family, Haeckel 1881 [Spumellaria]
- Suttoniidae, family, Schaaf 1976 [Spumellaria]
- Suttonium, Schaaf 1976 [unclassified genus]
- Svinitzium, Dumitrica 1997 [Parvicingulidae]
- Syscioscenium, Sugiyama 1992 [Lophophaenidae]
- Tamnospyris, Haeckel 1881 [Triospyrididae]
- Taurospyris, Haeckel 1881 [Triospyrididae]
- Tetracanthellipsis, Squinabol 1903 [Actinommidae]
- Tetracranastrum, Haeckel 1887 [Myelastridae]
- Tetracubus, Haeckel 1887 [Acanthodesmiidae]
- Tetrapetalon, Hollande and Enjumet 1960 [Hexalonchidae]
- Tetraplagia, Haeckel 1881 [Plagiacanthidae]
- Tetraplecta, Haeckel 1881 [Plagiacanthidae]
- Tetraspongoactinia, Won 1998 [Pseudolitheliidae]
- Tetratholura, Dumitrica 1989 [Patruliidae]
- Thalassoplegma, Hollande and Enjumet 1960 [Astrosphaeridae]
- Thalassoraphis, Campbell 1953 [Thalassosphaeridae]
- Thalassosphaera, Haeckel 1862 [Thalassosphaeridae]
- Thalassosphaeridae, family, Haeckel 1862 [Collodaria]
- Thalassothamnidae, family, Haecker 1906 [Entactinaria]
- Thalassothamnus, Haecker 1906 [Thalassothamnidae]
- Thalassoxantium, Haeckel 1881 [Thalassosphaeridae]
- Theocorythium, Haeckel 1887 [Pterocorythidae]
- Theocotylidae, family, Petrushevskaya 1981 [Nassellaria]
- Theoperidae, family, Haeckel 1881 [Eucyrtiidae]
- Theophaena, Haeckel 1881 [Eucyrtiidae]
- Theopiliidae, family, Haeckel 1881 [Nassellaria]
- Theopilium, Haeckel 1881 [Theopiliidae]
- Therospyris, Haeckel 1881 [Triospyrididae]
- Tholocubus, Haeckel 1887 [Tholoniidae]
- Tholodiscus, Petrushevskaya and Kozlova 1972 [Spongodiscidae]
- Tholoniidae, family, Haeckel 1887 [Spumellaria]
- Tholospyridium, Haeckel 1887 [Triospyrididae]
- Tirodella, Kozur and Mostler 1981 [Ultranaporidae]
- Tlecerina, Furutani 1983 [Palaeoscenidiidae]
- Torculum, O'Dogherty 1995 [Spongocapsulidae]
- Totollum, Schwarzapfel and Holdsworth 1996 [Popofskyellidae]
- Toxarium, Haeckel 1887 [Acanthodesmiidae]
- Transylvanaria, Dumitrica and Carter 1999 [Kungalariidae]
- Triacanthofenestrella, Nazarov and Ormiston 1984 [Ruzhencevispongidae]
- Triassistephanidium, Dumitrica 1978 [Eptingiidae]
- Triassospongocyrtis, Kozur and Mostler 1994 [Spongolophophenidae]
- Triassospongosphaera, Kozur and Mostler 1981 [Pyramispongiidae]
- Triassothamnus, Kozur and Mostler 1981 [Thalassothamnidae]
- Triastrum, Cleve 1901 [Myelastridae]
- Tricolospyris, Haeckel 1881 [Acanthodesmiidae]
- Tricyclidium, Haeckel 1881 [Acanthodesmiidae]
- Trigonastrum, Haeckel 1887 [Spongodiscidae]
- Trimanicula, Dumitrica 1991 [Patulibracchiidae]
- Triospyrididae, family, Haeckel 1881 [Nassellaria]
- Triospyrium, Haeckel 1887 [Triospyrididae]
- Tripedocassis, Dumitrica 1991 [Tripedurnulidae]
- Tripedurnula, Dumitrica 1991 [Tripedurnulidae]
- Triplanospongus, Sashida and Tonishi 1988 [Cauletellidae]
- Tripocubus, Haeckel 1881 [Acanthodesmiidae]
- Trissocircus, Haeckel 1881 [Acanthodesmiidae]
- Trissocyclus, Haeckel 1881 [Acanthodesmiidae]
- Trisulcus, Popofsky 1913 [Lophophaenidae]
- Tritortis, Kozur 1988 [Hindeosphaeridae]
- Tritrabidae, family, Baumgartner 1980 [Spumellaria]
- Tubilustrium, O'Dogherty 1994 [Spongocapsulidae]
- Tubotriassocyrtis, Kozur and Mostler 1994 [Monicastericidae]
- Tugurium, O'Dogherty 1994 [Xitidae]
- Turbocapsula, O'Dogherty 1994 [Unumidae]
- Turospongus, Kozur and Mostler 1994 [Oertlispongidae]
- Tympanidium, Haeckel 1881 [Acanthodesmiidae]
- Tympaniscus, Haeckel 1887 [Acanthodesmiidae]
- Unumidae, family, Kozur 1984 [Nassellaria]
- Vallupinae, subfamily, Pessagno and MacLeod 1987 [Pantanelliidae]
- Veghicycliidae, family, Kozur and Mostler 1972 [Spumellaria]
- Wangia, Feng 1993 [Ormistonellidae]
- Weverisphaera, Kozur and Mostler 1981 [Heptacladidae]
- Wonella, Kozur and Mostler 1989 [Latentifistulidae]
- Xiphosphaerella, Haeckel 1887 [Saturnalidae]
- Xiphostyletta, Haeckel 1887 [Saturnalidae]
- Yamatoum, Takemura 1986 [Syringocapsidae]
- Yaoconus, Kozur and Mostler 1989 [Follicucullidae]
- Yaosaturnalis, Kozur and Mostler 1983 [Saturnalidae]
- Zamolxinae, subfamily, Dumitrica 1982 [Plagiacanthidae]
- Zealithapium, O'Connor 1999 [Entapiidae]