Parent taxon: Stenolaemata according to E. H. Gilmour and E. M. Snyder 2000
Sister taxa: Archaeomeson, Assatkinella, Bajolla, Basslederella, Brestopora, Cryptostomata, Cryptostomida, Cyclophaenopora, Cyclostomata, Cystoporata, Cystoporida, Fenestrata, Fenestrida, Glossotrypa, Magnederella, Niigaella, Orbiporidae, Pycnobasis, Radiotrypa, Rhabdomesida, Rhenanerella, Schischatella, Tubuliporata
Subtaxa: Acantholaminatus, Acanthotrypa, Acanthotrypina, Aisenvergia, Amphiporella, Amplexopora, Amplexoporina, Amplexoporoidea, Amsassipora, Anaphragma, Anisotrypa, Anisotrypidae, Annunziopora, Anomalotoechus, Aostipora, Araxoporidae, Arcticoporidae, Armillopora, Asperopora, Aspidopora, Astralochoma, Astroviella, Astroviellina, Atactopora, Atactoporella, Atactotoechus, Balticopora, Balticoporella, Batostoma, Batostomella, Batostomellina, Bimuropora, Bythopora, Calacanthopora, Calamotrypa, Calloporella, Callotrypa, Calopora, Capillapora, Champlainopora, Chondraulus, Crustopora, Crustoporidae, Cyclopora, Cycloporella, Cyphotrypa, Dekayella, Dekayia, Dianulites, Diazipora, Diplostenopora, Diplotrypa, Discotrypa, Discotrypina, Dittopora, Dybowskites, Dyoidophragma, Eodyscritella, Eostenopora, Eostenoporella, Eridocamplyus, Eridotrypa, Eridotrypella, Eridotrypellina, Esthoniopora, Esthoniporella, Flustra, Geinitzella, Gortanipora, Hallopora, Helenoporidae, Hemieridotrypa, Hemiphragma, Heterotrypa, Heterotrypidae, Hexaporites, Hinaclema, Homotrypa, Homotrypella, Hubeipora, Hunanopora, Idioclema, Idiotrypa, Jifarahpora, Jordanopora, Kalevipora, Kielcepora, Kysylschinopora, Lamottopora, Leeporina, Leptotrypa, Leptotrypella, Lioclemella, Lioporida, Loxophragma, Maychellinidae, Mesotrypa, Mesotrypina, Microcampylus, Minussina, Mojczatrypa, Mongoloclema, Monotrypa, Monotrypella, Monticulipora, Multiphragma, Nekhorosheviella, Nekhoroshoviella, Neotrematopora, Newportopora, Nicholsonella, Nikiforopora, Nipponstenopora, Orbignyella, Orbipora, Orbiramus, Paleoatactoechus, Paratrachytoechus, Parvohallopora, Pedrogopora, Permoleioclema, Peronopora, Persiopora, Petalotrypa, Petigopora, Phragmopora, Phragmotrypa, Polycylindricus, Polyspinopora, Polyteichus, Prasopora, Prasoporina, Proutella, Pycnopora, Qilianopora, Revalotrypa, Rhombotrypa, Salairia, Schulgina, Sinoatactoechus, Sonninopora, Spatiopora, Stenocladia, Stenoporellidae, Stereotoechus, Stigmatella, Stromatotrypa, Tabuliporella, Tarphophragma, Tetratoechus, Trachytoechus, Trematella, Trematopora, Trematoporina, Triplopora, Tubulitrypa, Volnovachia, Yichangopora, Yunnanopora, Zlambachia, Zozariellidae
Ecology: stationary epifaunal suspension feeder