Gymnolaemata Allman, 1856
Acanthoporella Davis, 1934
Acoraniidae López-Fé, 2006
Acoscinopleura Voigt, 1956
Actisecidae Harmer, 1957
Adeonellidae
Adeonidae Busk, 1884
Aegyptopora Ziko, 1988
Aeolopora Lang, 1916
Aeteidae Smitt, 1867
Alysidiidae Levinsen, 1909
Anaptopora Lang, 1916
Andriopora Lang, 1916
Andrioporidae
Angelopora Lang, 1916
Anotopora Lang, 1916
Antroporidae Vigneaux, 1949
Arachnopusiidae Jullien, 1888
Ascosiidae Jullien, 1883
Aspidostomatidae Jullien, 1888
Atactoporidra Canu & Bassler, 1931
Auchenopora Lang, 1916
Baptopora Lang, 1916
Bathystomella Strand, 1928
Batoporidae Neviani, 1901
Batrachopora Lang, 1916
Beaniidae Canu & Bassler, 1927
Beisselinopsis Voigt, 1951
Belluloporidae
Biavicularium Cheetham, 1968
Bicornifera Lindenberg, 1965
Bicorniferidae
Bifaxariidae Busk, 1884
Bifissurinella Poignant & de Lourdes Ubaldo, 1973
Bimicroporella Canu, 1904
Biporidae
Bitectiporidae MacGillivray, 1895
Boreasina Voigt & Hillmer, 1983
Brydonella Berthelsen, 1962
Brydonellidae Taylor, Casadío & Gordon, 2008
Bryobaculidae
Bryocryptellidae Vigneaux, 1949
Bryopastoridae d'Hondt & Gordon, 1999
Bubnoffiella Voigt, 1959
Buchneriidae
Buffonellodidae Gordon & d'Hondt, 1997
Bugulidae Gray, 1848
Buskia Tenison-Woods, 1877
Caberoides Canu, 1908
Calescharidae Cook & Bock, 2001
Calloporidae Norman, 1903
Calpensiidae Canu & Basler, 1923
Calpidopora Lang, 1916
Calvetina Canu, 1908
Calvina Willems, 1973
Calwelliidae Macgillivray, 1887
Candidae d'Orbigny, 1851
Canupora Kuehn, 1930
Carydiopora Lang, 1916
Catenicellidae Busk, 1852
Cellariidae Lamouroux, 1821
Cellarinidra Canu & Bassler, 1927
Celleporariidae
Celleporidae Lamouroux, 1821
Chaperiellidae
Chaperiidae Jullien, 1888
Cheethamia Shaw, 1967
Cheilhorneropsidae
Cheilohorneropsis
Cheiloporinidae Bassler, 1936
Chlidoniidae Busk, 1884
Chlidoniopsidae Harmer, 1957
Chorizoporidae Vigneaux, 1949
Cianotremella Canu, 1911
Cillia Kühn, 1954
Cleidochasmatidae Cheetham & Sandberg, 1964
Clithriellum Brown, 1948
Colatooeciidae Winston, 2005
Collura Jullien, 1882
Concatenellidae
Conescharellinidae Levinsen, 1909
Cookinella d'Hondt, 1981
Corymboporella Lang, 1917
Corynostylidae
Coscinopleuridae
Costula Jullien, 1886
Cothurnicellidae
Craspedoporina Plaziat & Balavoine, 1965
Crepidacanthidae Levinsen, 1909
Cribrilinidae Hincks, 1880
Crisina van Beneden, 1850
Cryptosulidae Vigneaux, 1949
Ctenopora Lang, 1916
Cupuladriidae Lagaaij, 1952
Cuvillieridae
Cyclicoporidae Hincks, 1884
Cyclopora Jullien & Calvet, 1903
Cycloporella Neviani, 1895
Dacryonella Canu & Bassler, 1917
Decurtaria Jullien, 1886
Desmacystidae
Dhondtiscidae Gordon, 1989
Diancopora Lang, 1916
Diceratopora Lang, 1916
Dictuonia Jullien, 1882
Didymosellidae Brown, 1952
Dightonia Brown, 1948
Dimorphocellaria Voigt, 1930
Dimorphostylus Voigt, 1928
Dionella Medd, 1965
Diplobeisselina Voigt, 1987
Diplopholeous
Diplorula
Discosella Canu, 1926
Discovibracella Voigt, 1964
Dishelopora Lang, 1916
Distefanella Cipolla, 1922
Disteginopora d'Orbigny, 1852
Ditaxiporina Stach, 1935
Doryporellidae Grischenko, Taylor & Mawatari, 2004
Duvergiera
Duvergieriidae
Dysnoetocella Voigt, 1964
Dysnoetopora Canu & Bassler, 1926
Dysnoetoporidae
Echinovadomidae Tilbrook, 2001
Electridae d'Orbigny, 1851
Ellisinidra Canu & Bassler, 1933
Eminooeciidae Hayward & Thorpe, 1988
Encicellaria
Entomaria Canu & Lecointre, 1927
Eohippotha
Eoscrupocellaria Voigt, 1991
Epistomiidae Gregory, 1893
Escharellidae Levinsen, 1909
Escharicellaria Voigt, 1924
Escharinidae Tilbrook, 2006
Eucrateidae Hincks, 1880
Euoplozoidae Harmer, 1926
Eurystomellidae Levinsen, 1909
Euthyrisellidae Bassler, 1953
Euthyroididae Levinsen, 1909
Exechonellidae Harmer, 1957
Exochellidae Bassler, 1935
Farciminariidae Busk, 1852
Fissuricella Voigt, 1959
Flustrella d'Orbigny, 1852
Flustridae Lamouroux, 1821
Foveolariidae Gordon & Winston, 2005
Francopora Lang, 1916
Fusicellaria d'Orbigny, 1851
Fusicellariidae
Gastropella Canu & Bassler, 1917
Gaudryanella Canu, 1907
Geisopora Lang, 1916
Gemelliporellidae Vigneaux, 1949
Gigantoporidae Bassler, 1935
Grammella Canu, 1917
Grammothoa Voigt & Hillmer, 1983
Graptoporella Bassler, 1953
Haplocephalopora Lang, 1916
Haplopomella Buge, 1954
Haplopomidae Gordon in De Blauwe, 2009
Hapsidopora Lang, 1917
Heliodomidae Vigneaux, 1949
Helix
Hemicosciniopsis Vigneaux, 1949
Hemiphlactella
Hemismittina Vigneaux, 1949
Hemistylus Voigt, 1928
Hesperopora Lang, 1916
Hexacanthopora Lang, 1916
Hiantoporidae Gregory, 1893
Hincksinidae
Hincksiporidae Powell, 1968
Hippaliosinidae Winston, 2005
Hipperechonella
Hippiopora Lang, 1916
Hippoexechonella
Hippophylactella Vigneaux, 1949
Hippopodinidae Levinsen, 1909
Hippoponellidae Kluge, 1962
Hippoporidridae Vigneaux, 1949
Hippoporinidae Bassler, 1935
Hipposera Vigneaux, 1949
Hippothoidae Fischer, 1866
Hippozeugosella Canu & Bassler, 1917
Hoeverella Taylor & Voigt, 1992
Holostegopora Lang, 1916
Homalostega Marsson, 1887
Hoplitaechmella Voigt, 1949
Hopora
Hormerella
Hystricopora Lang, 1916
Ichnopora Lang, 1916
Inversiulidae Vigneaux, 1949
Jaculinidae Zabala, 1986
Jubellidae Reverter-Gil & Fernández-Pulpeiro, 2001
Kankopora Lang, 1916
Kelestoma Marsson, 1887
Kionidella Koschinsky, 1885
Kunradina Voigt, 1981
Kylonisa Keij, 1972
Lacernidae Jullien, 1888
Lagynopora Lang, 1916
Lanceoporidae Harmer, 1957
Latereschara d'Orbigny, 1852
Lateroflustrellaria d'Orbigny, 1852
Laterotecatia Voigt, 1979
Leiosalpingidae d'Hondt & Gordon, 1996
Leiosella Canu & Bassler, 1917
Lekythoglena Marsson, 1887
Lekythoglenidae
Lekythoporidae Levinsen, 1909
Lepraliellidae Vigneaux, 1949
Lepralina Kuehn, 1925
Lobopora Levinsen, 1902
Lunulariidae Levinsen, 1909
Lunulitidae Lagaaij, 1952
Macroporidae Uttley, 1949
Macroporina Uttley, 1949
Magnea Vigneaux, 1949
Mamilloporidae Canu & Bassler, 1927
Marcusadorea Vieira, Migotto & Winston, 2010
Margarettidae Harmer, 1957
Marquetta
Mawatariidae Gordon, 1990
Membranicellariidae Levinsen, 1909
Membraniporidae Busk, 1854
Meniscopora Gregory, 1893
Metrabdotosidae
Metrarabdotosidae Vigneaux, 1949
Microporellidae Hincks, 1879
Microporidae Gray, 1948
Mixtopeltidae Gordon, 1994
Monocerina Neviani, 1901
Monoporellidae Hincks, 1882
Monsella Canu, 1900
Monticellaria Voigt, 1987
Morphasmopora Lang, 1916
Mosathoa Voigt & Hillmer, 1983
Mourellinidae Reverter-Gil, Souto & Fernández-Pulpeiro, 2011
Mucronellidae Levinson, 1902
Mumiella Jullien, 1886
Murinopsia Jullien, 1886
Myagropora Lang, 1916
Myriaporidae Gray, 1841
Myrioporidae
Myriozoidae Smitt, 1868
Mystriopora Lang, 1915
Nannopora Lang, 1916
Neliella
Nematoporella Canu & Bassler, 1927
Neoflustra Lopez Gappa, 1982
Nephropora Marsson, 1887
Nephroporidae
Notamia Fleming, 1828
Nudonychocella Voigt & Ernst, 1985
Obliquostoma Thoelen, 1968
Ochetosellina Berthelsen, 1962
Ogiva Jullien, 1882
Ogivalina Canu & Bassler, 1917
Oligotopora Lang, 1916
Onchoporidae
Onychocellaria Voigt, 1957
Onychocellidae Jullien, 1882
Orbituliporidae Canu & Bassler, 1923
Orbituloporidae
Otionellidae Bock & Cook, 1998
Otopora Lang, 1916
Pachycraspedon Koschinsky, 1885
Pacificincolidae Liu & Liu, 1999
Pancheilopora Lang, 1916
Paravinella Mayoral, 1987
Parmulariidae
Parobeisselina
Pasytheidae Vigneaux, 1949
Pavobeisselina Voigt, 1964
Pavolunuites
Pelmatoporidae
Peristomellidae
Petalostegas
Petalostegidae Gordon, 1984
Petraliellidae Harmer, 1957
Petraliidae Levinsen, 1909
Phidoloporidae Gabb & Horn, 1862
Phoceanidae Vigneaux, 1949
Phorioppniidae Gordon & d'Hondt, 1997
Phrynopora Lang, 1916
Phylactellidae
Platyglena Marsson, 1887
Platyglenidae
Pleurolyrula Vigneaux, 1949
Pleuroschizella Canu, 1919
Pnictopora Lang, 1916
Pnictoporopsis Voigt, 1975
Polliciporidae Moyano, 2000
Polycephalopora Lang, 1916
Polyceratopora Lang, 1916
Poricellariidae Harmer, 1926
Porinidae d'Orbigny, 1852
Porismittina Buge, 1957
Porometra Cheetham, 1968
Prattia d'Archiac, 1848
Prodromopora Lang, 1916
Prosotopora Lang, 1916
Prostomariidae MacGillivray, 1895
Pseudobeisselma
Pseudolepraliidae Silén, 1942
Pseudolunulites Cook & Voigt, 1989
Pseudostega Brydone, 1910
Pseudostege Bassler, 1935
Pyriporella Canu, 1911
Quadricellariidae Gordon, 1984
Radulopora Voigt, 1968
Reptescharipora d'Orbigny, 1852
Reptolunites
Reteporidae Smitt, 1868
Revssirella
Rhabdopora Lang, 1916
Rhabdotometra Cheetham, 1968
Rhabdozoidae MacGillivray, 1887
Rhacheopora Lang, 1916
Rhacheoporidae
Rhagasostoma Koschinsky, 1885
Rhammatopora Lang, 1915
Rhamphostomellidae
Rhebasia Jullien, 1882
Rhiniopora Lang, 1916
Rimulostoma Vigneaux, 1949
Robertsonidridae Rosso, 2010
Romancheinidae Jullien, 1888
Rotoporina
Sadkoidae Kluge, 1962
Sandalopora Lang, 1916
Savignyellidae Levinsen, 1909
Schismoporidae
Schistacanthopora Lang, 1916
Schizaropsis Canu & Bassler, 1917
Schizemiella Canu & Bassler, 1917
Schizemiellopsis Voigt, 1987
Schizoporellidae Jullien, 1883
Schizorthosecos Canu & Bassler, 1917
Schizotrema Vigneaux, 1948
Schizotremopora Vigneaux, 1949
Sclerodomidae Levinsen, 1909
Scorioporidae
Scorpiodina Jullien, 1886
Scrupariidae Busk, 1852
Scrupocellariidae Levinsen, 1909
Selenariidae Busk, 1854
Setosellidae Levinsen, 1909
Setosellinidae
Setosinella Canu & Bassler, 1933
Sinoflustridae Gordon, 2009
Siphonicytaridae Harmer, 1957
Skylonia Thomas, 1961
Skyloniidae
Smittinidae Levinsen, 1909
Smittistoma Canu, 1908
Solenonychocella
Solenophragma Marsson, 1887
Sparsiporina d'Orbigny, 1852
Sphenella Duvergier, 1924
Spinicharixa Taylor, 1986
Staurosteginopora Voigt, 1991
Steginopora d'Orbigny, 1852
Steginoporellidae Hincks, 1884
Stenosipora Canu & Bassler, 1927
Stephanotrema Vigneaux, 1949
Stichocados Marsson, 1887
Stichomicropora Voigt, 1939
Stichtostega
Stomachetosellidae Canu & Bassler, 1917
Sylonika Keij, 1972
Taeniocellana
Taenioporella Voigt, 1987
Taphrostoma Canu, 1908
Taractopora Lang, 1916
Tendridae Vigneaux, 1949
Tessaradomidae Jullien, 1903
Tetraplariidae Harmer, 1957
Teuchoporidae Neviani, 1895
Thalamoporellidae Levinsen, 1909
Thecatia
Thoracopora Lang, 1916
Thornipora
Torquatellidae Tilbrook, 2006
Tremocoscinopleura Voigt, 1956
Tremolyrula Vigneaux, 1949
Tremotoichos Canu & Bassler, 1917
Tricolpopora Lang, 1916
Tricornicella Hakansson & Jurgensen, 1987
Trilophopora Lang, 1916
Trypematella Canu & Bassler, 1920
Trypostegidae Gordon, Tilbrook & Winston, 2005
Tshokrakopora Bejs, 1988
Tubescharina Buge, 1957
Tubucellariidae
Turbicellopora
Tylopora Lang, 1917
Ubaghsia Jullien, 1886
Umbonulidae Canu, 1904
Uniavicularia
Urceoliporidae Bassler, 1936
Verminaria Jullien, 1888
Vibracella Waters, 1891
Vibraculina Neviani, 1895
Vicidae Gordon, 1988
Vinculariidae Busk, 1852
Virgocella Voigt, 1957
Vittaticellidae
Volviflustrellaria Brydone, 1936
Voorthuyseniella Szczechura, 1969
Watersiporidae Vigneaux, 1949
Wawalia Dzik, 1975
Wawaliidae
Xaveropora Malecki, 1964
Ybryozoon