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 (247 578)
- Kingdom Animalia (211 542)
- Subkingdom Animalia incertae sedis
- Subkingdom Metazoa accepted as Animalia
- Phylum Acanthocephala (516)
- Phylum Annelida (14 107)
- Superclass Annelida incertae sedis (204)
- Class Clitellata (1 055)
- Class Gephyrea
- Class Polychaeta (12 678)
- Subclass Aciculata accepted as Errantia
- Subclass Echiura (173)
- Subclass Errantia (6 487)
- Subclass Polychaeta incertae sedis (352)
- Subclass Sedentaria (5 666)
- Infraclass Canalipalpata (4 305)
- Order Sabellida (1 419)
- Family Eriographidae Malmgren, 1866 accepted as Myxicolinae Rioja, 1923
- Family Fabriciidae Rioja, 1923 (84)
- Family Sabellidae Latreille, 1825 (550)
- Subfamily Fabricinae Rioja, 1923 accepted as Fabriciidae Rioja, 1923
- Subfamily Myxicolinae Rioja, 1923 (145)
- Subfamily Sabellinae Chamberlin, 1919 (405)
- Genus Acromegalomma Gil & Nishi, 2017 (38)
- Genus Anamobaea Krøyer, 1856 (2)
- Genus Aracia Nogueira, Fitzhugh & Rossi, 2010 (3)
- Genus Aspeira (Bush, 1905) accepted as Potamilla Malmgren, 1866
- Genus Bispira Krøyer, 1856 (25)
- Genus Branchiomma Kölliker, 1858 (30)
- Genus Calcisabella Perkins, 1991 accepted as Glomerula Nielsen, 1931
- Genus Caobangia Giard, 1893 (6)
- Genus Chaponella Rullier, 1972
- Genus Claviramus Fitzhugh, 2002 (5)
- Genus Clymeneis Rathke, 1843 (1)
- Genus Corallina [sensu Ellis, 1755]
- Genus Dasychone Sars, 1862 accepted as Branchiomma Kölliker, 1858
- Genus Dasychonopsis Bush, 1905 accepted as Branchiomma Kölliker, 1858
- Genus Demonax Kinberg, 1867 accepted as Parasabella Bush, 1905
- Genus Desdemona Banse, 1957 (5)
- Genus Distylia Quatrefages, 1866 accepted as Bispira Krøyer, 1856
- Genus Distylidia Hartman, 1961 accepted as Parasabella Bush, 1905
- Genus Euchoneira Licciano, Giangrande & Gambi, 2009 (1)
- Genus Euchonella Fauchald, 1972 accepted as Euchone Malmgren, 1866
- Genus Euchonoides Magalhães, Bailey-Brock & Tovar-Hernández, 2020 (3)
- Genus Eudistylia Bush, 1905 (6)
- Genus Euratella Chamberlin, 1919 (2)
- Genus Eurato Saint-Joseph, 1894 accepted as Notaulax Tauber, 1879 (1)
- Genus Fucus Ellis in McIntosh, 1922 accepted as Fucus Linnaeus, 1753
- Genus Glomerula Nielsen, 1931 (1)
- Genus Gorbunovia Annenkova, 1952 accepted as Potamethus Chamberlin, 1919
- Genus Gymnosoma Quatrefages, 1866
- Genus Hypsicomatides Augener, 1922 accepted as Notaulax Tauber, 1879
- Genus Hypsicomatopsis Augener, 1922 accepted as Notaulax Tauber, 1879
- Genus Hypsicomus Grube, 1870 (4)
- Genus Jasmineira Langerhans, 1880 (17)
- Genus Kirkia Nogueira, López & Rossi, 2004 accepted as Aracia Nogueira, Fitzhugh & Rossi, 2010
- Genus Laonome Malmgren, 1866 (10)
- Genus Megachone Johnson, 1901 accepted as Chone Krøyer, 1856
- Genus Megalomma Johansson, 1926 accepted as Acromegalomma Gil & Nishi, 2017
- Genus Metachone Bush, 1905 accepted as Chone Krøyer, 1856
- Genus Metalaonome Bush, 1905 accepted as Bispira Krøyer, 1856
- Genus Notaulax Tauber, 1879 (23)
- Genus Oria Quatrefages, 1866 accepted as Amphicorina Claparède, 1864
- Genus Oriopsis Caullery & Mesnil, 1896 accepted as Amphicorina Claparède, 1864 (3)
- Genus Panoumethus Fitzhugh, 2002 (1)
- Genus Panousea Rullier & Amoureux, 1970 (1)
- Genus Parachonia Kinberg, 1867 accepted as Chone Krøyer, 1856
- Genus Paradialychone Tovar-Hernández, 2008 (16)
- Genus Paralaonome Bush, 1904 accepted as Sabellastarte Krøyer, 1856
- Genus Parasabella Bush, 1905 (28)
- Genus Penicillus [Rondelet, 1555] accepted as Sabella Linnaeus, 1767
- Genus Penicillus Guettard, 1770
- Genus Perkinsiana Knight-Jones, 1983 (15)
- Genus Potamethus Chamberlin, 1919 (12)
- Genus Potamilla Malmgren, 1866 (12)
- Genus Potamis Ehlers, 1887 accepted as Potamethus Chamberlin, 1919
- Genus Potaspina Hartman, 1969 (2)
- Genus Pothametus [auct. misspelling] accepted as Potamethus Chamberlin, 1919
- Genus Protulides Webster, 1884 accepted as Notaulax Tauber, 1879
- Genus Pseudobranchiomma Jones, 1962 (18)
- Genus Pseudopotamilla Bush, 1905 (20)
- Genus Sabella Linnaeus, 1767 (70)
- Genus Sabellastarte Krøyer, 1856 (8)
- Genus Sabellata Quatrefages, 1850 accepted as Sabella Linnaeus, 1767
- Species Sabellata flabellata [auct. genus misspelling in Quatrefages, 1850] accepted as Sabella flabellata Savigny, 1822
- Genus Sabellina Dujardin, 1839
- Genus Sabellomma Nogueira, Fitzhugh & Rossi, 2010 (4)
- Genus Sabellonga Hartman, 1969 (1)
- Genus Sabina Williams, 1851
- Genus Schizobranchia Bush, 1905 (2)
- Genus Spirographis Viviani, 1805 accepted as Sabella Linnaeus, 1767 (4)
- Genus Stylomma Knight-Jones, 1997 (2)
- Genus Terebrasabella Fitzhugh & Rouse, 1999 (3)
- Family Sabellongidae Hartman, 1969 accepted as Sabellidae Latreille, 1825
- Family Serpulidae Rafinesque, 1815 (577)
- Family Siboglinidae Caullery, 1914 (208)
- Family Spirorbidae Chamberlin, 1919 represented as Spirorbinae Chamberlin, 1919
- Order Spionida (745)
- Order Terebellida (1 989)
- Family Hermellidae Malmgren, 1867 accepted as Sabellariidae Johnston, 1865
- Family Sabellariidae Johnston, 1865 (152)
- Infraclass Scolecida (1 278)
- Suborder Chaetopteriformia
- Family Chaetopteridae Audouin & Milne Edwards, 1833 (83)
- Order Sipuncula (170)
- Phylum Arthropoda (59 758)
- Phylum Aschelminthes
- Phylum Brachiopoda (408)
- Phylum Bryozoa (6 545)
- Phylum Cephalorhyncha
- Phylum Chaetognatha (132)
- Phylum Chordata (24 096)
- Phylum Cnidaria (12 578)
- Phylum Ctenophora (184)
- Phylum Cycliophora (2)
- Phylum Dicyemida (122)
- Phylum Echinodermata (7 646)
- 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 (52 040)
- 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 (13 497)
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera (9 475)
- 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 (20 791)
- Kingdom Fungi (1 432)
- Kingdom Monera represented as Bacteria
- Kingdom Plantae (10 581)
- Kingdom Protozoa (766)
- Kingdom Viruses (115)
