Between brackets is the number of accepted marine extant species
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Shows the number of accepted marine extant species within the taxon
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- Biota (247 559)
- Kingdom Animalia (211 524)
- Subkingdom Animalia incertae sedis
- Subkingdom Metazoa accepted as Animalia
- Phylum Acanthocephala (516)
- Phylum Annelida (14 107)
- Phylum Arthropoda (59 759)
- Phylum Aschelminthes
- Phylum Brachiopoda (408)
- Phylum Bryozoa (6 539)
- Class Gymnolaemata (5 881)
- Order Cheilostomata accepted as Cheilostomatida
- Order Cheilostomatida (5 540)
- Suborder Aeteina accepted as Inovicellina (19)
- Suborder Ascophora accepted as Flustrina (1)
- Suborder Ascophorina accepted as Ascophora
- Suborder Belluloporina (1)
- Suborder Cheilostomatida incertae sedis (23)
- Suborder Flustrina (5 237)
- Infraorder Acanthostega
- Infraorder Hippothoomorpha
- Infraorder Lepraliomorpha
- Infraorder Umbonulomorpha (44)
- Section Acanthostegomorpha
- Superfamily Adeonoidea Busk, 1884 (138)
- Superfamily Arachnopusioidea Jullien, 1888 (95)
- Superfamily Bifaxarioidea Busk, 1884 (49)
- Superfamily Buguloidea Gray, 1848 (661)
- Superfamily Calloporoidea Norman, 1903 (548)
- Superfamily Catenicelloidea Busk, 1852 (115)
- Superfamily Cellarioidea Fleming, 1828 (127)
- Superfamily Celleporoidea Johnston, 1838 (844)
- Superfamily Chlidoniopsoidea Harmer, 1957 (1)
- Superfamily Conescharellinoidea Levinsen, 1909 (135)
- Superfamily Cribrilinoidea Hincks, 1879 (192)
- Superfamily Didymoselloidea Brown, 1952 (8)
- Superfamily Euthyriselloidea Bassler, 1953 (6)
- Superfamily Flustrina incertae sedis (3)
- Superfamily Flustroidea Fleming, 1828 (102)
- Superfamily Hippothooidea Busk, 1859 (118)
- Superfamily Lepralielloidea Vigneaux, 1949 (316)
- Superfamily Lunulitoidea Lagaaij, 1952 (36)
- Superfamily Mamilloporoidea Canu & Bassler, 1927 (58)
- Superfamily Microporoidea Gray, 1848 (137)
- Family Alysidiidae Levinsen, 1909 (3)
- Family Aspidostomatidae Jullien, 1888 (13)
- Family Calescharidae Cook & Bock, 2001 (7)
- Family Chlidoniidae Busk, 1884 (2)
- Family Granomuridae Gordon, 2021 (2)
- Family Microporidae Gray, 1848 (70)
- Genus Andreella Jullien, 1888 (4)
- Genus Bryobifallax Rosso, Gerovasileiou & Di Martino, 2020 (1)
- Genus Calpensia Jullien, 1888 (2)
- Genus Coronellina Prenant & Bobin, 1966 (2)
- Genus Flustrapora Moyano, 1970 (1)
- Genus Foraminella Levinsen, 1909 accepted as Opaeophora Brown, 1948
- Genus Manzonella Jullien, 1888 † (1)
- Genus Metamicropora Arakawa, 2016 (1)
- Genus Micropora Gray, 1848 (34)
- Species Micropora acorecia Berning & Wisshak, 2024
- Species Micropora aculeata (d'Orbigny, 1852)
- Species Micropora acuminata Winston, 2005
- Species Micropora africana d'Orbigny, 1852
- Species Micropora amapaensis Ramalho & Moraes, 2021
- Species Micropora angusta MacGillivray, 1887
- Species Micropora angustiscapulis Winston, Vieira & Woollacott, 2014
- Species Micropora aspinosa De Blauwe & Gordon, 2014
- Species Micropora biopesiula Pica & Berning, 2022
- Species Micropora borealis (d'Orbigny, 1852)
- Species Micropora brevissima Waters, 1904
- Species Micropora candeana (d'Orbigny, 1852)
- Species Micropora cervicornis d'Hondt & Mascarell, 2010
- Species Micropora complanata (Norman, 1864) accepted as Watersipora complanata (Norman, 1864)
- Species Micropora coriacea (Johnston, 1847)
- Species Micropora coriacea (Esper, 1791)
- Species Micropora depressa (Moll, 1803) accepted as Calpensia nobilis (Esper, 1796)
- Species Micropora elegans Maplestone, 1901
- Species Micropora equilateralis d'Hondt & Gordon, 1999
- Species Micropora erecta Boonzaaier-Davids, Florence & Gibbons, 2020
- Species Micropora finisterrae Moyano, 1994
- Species Micropora fissurata Waters, 1927
- Species Micropora gracilis (Uttley, 1949)
- Species Micropora inaequalis (d'Orbigny, 1852)
- Species Micropora inexpectata Moyano, 2002
- Species Micropora karukinkaensis Moyano, 1994
- Species Micropora latiavicula Florence, Hayward & Gibbons, 2007
- Species Micropora mawatarii Arakawa, 2016
- Species Micropora mortenseni Livingstone, 1929
- Species Micropora nodimagna Ramalho & Calliari, 2015
- Species Micropora normani Levinsen, 1909
- Species Micropora notialis Hayward & Ryland, 1993
- Species Micropora peruviana d'Orbigny, 1842
- Species Micropora plana Arakawa, 2016
- Species Micropora rimulata Canu & Bassler, 1929
- Species Micropora robusta Cook, 1985
- Species Micropora sagittata d'Hondt, 1986 accepted as Micropora angusta MacGillivray, 1887
- Species Micropora santacruzana Soule, Soule & Chaney, 1995
- Species Micropora selknami Moyano, 1994
- Species Micropora similis Hayward & Cook, 1983
- Species Micropora stenostoma (Busk, 1854)
- Species Micropora uncifera Busk, 1884 accepted as Andreella uncifera (Busk, 1884)
- Species Micropora variperforata Waters, 1887
- Genus Microporina Levinsen, 1909 (5)
- Genus Mollia Lamouroux, 1816 (9)
- Genus Opaeophora Brown, 1948 (4)
- Genus Otomicropora Gordon, 2014 (1)
- Genus Peneclausa Jullien, 1888 accepted as Micropora Gray, 1848
- Genus Promicroa d'Hondt & Gordon, 1999 (1)
- Genus Rectimicropora Hayward & Winston, 2011 (1)
- Genus Reussina Kluge, 1962 accepted as Reussinella Gordon, 2009
- Genus Rosemariella Gordon, 2014 (1)
- Genus Scriblitopora Hayward & Winston, 2011 (1)
- Genus Steraechmella Lagaaij, 1952 (1)
- Family Onychocellidae Jullien, 1882 (31)
- Family Poricellariidae Harmer, 1926 (1)
- Family Setosellidae Levinsen, 1909 (8)
- Superfamily Monoporelloidea Hincks, 1882 (27)
- Superfamily Pseudolepralioidea Silén, 1942 (2)
- Superfamily Schizoporelloidea Jullien, 1883 (799)
- Superfamily Siphonicytaroidea Harmer, 1957 (13)
- Superfamily Smittinoidea Levinsen, 1909 (659)
- Superfamily Urceoliporoidea Bassler, 1936 (4)
- Suborder Inovicellina
- Suborder Malacostegina accepted as Membraniporina
- Suborder Membraniporina (134)
- Suborder Neocheilostomatina accepted as Flustrina
- Suborder Scrupariina (8)
- Suborder Tendrina (4)
- Suborder Thalamoporellina (113)
- Order Ctenostomata accepted as Ctenostomatida
- Order Ctenostomatida (341)
- Class Phylactolaemata (2)
- Class Stenolaemata (656)
- Phylum Cephalorhyncha
- Phylum Chaetognatha (132)
- Phylum Chordata (24 095)
- Phylum Cnidaria (12 578)
- Phylum Ctenophora (184)
- Phylum Cycliophora (2)
- Phylum Dicyemida (122)
- Phylum Echinodermata (7 644)
- Phylum Ectoprocta accepted as Bryozoa
- Phylum Entoprocta (202)
- Phylum Gastrotricha (523)
- Phylum Gnathostomulida (100)
- Phylum Hemichordata (137)
- Phylum Kinorhyncha (348)
- Phylum Loricifera (46)
- Phylum Mesozoa accepted as Dicyemida
- Phylum Mollusca (52 038)
- Phylum Nematoda (6 758)
- Phylum Nematomorpha (5)
- Phylum Nemertea (1 335)
- Phylum Nemertina represented as Nemertea
- Phylum Nemertini accepted as Nemertea
- Phylum Orthonectida (24)
- Phylum Pentastomida accepted as Pentastomida
- Phylum Phoronida (13)
- Phylum Placozoa (4)
- Phylum Platyhelminthes (13 493)
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera (9 471)
- Phylum Priapulida (22)
- Phylum Rotatoria accepted as Rotifera
- Phylum Rotifera (219)
- Phylum Sipunculida accepted as Sipuncula
- Phylum Tardigrada (263)
- Phylum Xenacoelomorpha (437)
- Kingdom Archaea (117)
- Kingdom Bacteria (2 223)
- Kingdom Chromista (20 790)
- Kingdom Fungi (1 432)
- Kingdom Monera represented as Bacteria
- Kingdom Plantae (10 581)
- Kingdom Protozoa (766)
- Kingdom Viruses (115)
