Between brackets is the number of accepted marine extant species
1 Click on "-" to collapse/hide all child taxa
2 Shows the number of accepted marine extant species within the taxon
3 The last expanded taxon is highlighted
4 Click on "+" to expand/show all child taxa
5 Click to see the taxon details page
- Biota (8 433)
- Kingdom Animalia (7 790)
- Phylum Acanthocephala (30)
- Phylum Annelida (592)
- Phylum Arthropoda (3 093)
- Phylum Brachiopoda (64)
- Phylum Bryozoa (333)
- Class Gymnolaemata (275)
- Order Cheilostomatida (269)
- Suborder Anasca accepted as Flustrina
- Suborder Ascophora accepted as Flustrina
- Suborder Ascophorina accepted as Ascophora
- Suborder Cheilostomatida incertae sedis (6)
- Suborder Flustrina (259)
- Infraorder Acanthostega
- Infraorder Hippothoomorpha
- Infraorder Lepraliomorpha
- Infraorder Umbonulomorpha (1)
- Section Acanthostegomorpha
- Superfamily Adeonoidea Busk, 1884 (1)
- Superfamily Arachnopusioidea Jullien, 1888 (10)
- Superfamily Batoporoidea accepted as Conescharellinoidea Levinsen, 1909
- Superfamily Buguloidea Gray, 1848 (44)
- Superfamily Calloporoidea Norman, 1903 (23)
- Superfamily Cellarioidea Fleming, 1828 (18)
- Superfamily Celleporoidea Johnston, 1838 (30)
- Superfamily Conescharellinoidea Levinsen, 1909 (5)
- Superfamily Cribrilinoidea Hincks, 1879 (6)
- Superfamily Flustroidea Fleming, 1828 (6)
- Superfamily Hippothooidea Busk, 1859 (6)
- Superfamily Lepralielloidea Vigneaux, 1949 (34)
- Family Bryocryptellidae Vigneaux, 1949 (1)
- Family Escharellidae Levinsen, 1909 (2)
- Family Exochellidae Bassler, 1935 (8)
- Family Metrarabdotosidae Vigneaux, 1949 (1)
- Family Romancheinidae Jullien, 1888 (5)
- Genus Antarcticaetos Hayward & Thorpe, 1988 (1)
- Genus Bostrychopora Hayward & Thorpe, 1988 (1)
- Genus Lageneschara Hayward & Thorpe, 1988 (1)
- Genus Romancheina Jullien, 1888 (2)
- Family Sclerodomidae Levinsen, 1909 (17)
- Superfamily Microporoidea Gray, 1848 (7)
- Superfamily Schizoporelloidea Jullien, 1883 (35)
- Superfamily Smittinoidea Levinsen, 1909 (33)
- Suborder Malacostegina accepted as Membraniporina
- Suborder Membraniporina (2)
- Suborder Neocheilostomatina accepted as Flustrina
- Suborder Scrupariina (2)
- Order Ctenostomatida (6)
- Class Stenolaemata (58)
- Phylum Cephalorhyncha
- Phylum Chaetognatha (18)
- Phylum Chordata (829)
- Phylum Cnidaria (434)
- Phylum Ctenophora (11)
- Phylum Dicyemida (1)
- Phylum Echinodermata (627)
- Phylum Ectoprocta accepted as Bryozoa
- Phylum Entoprocta
- Phylum Gastrotricha (1)
- Phylum Gnathostomulida
- Phylum Hemichordata (6)
- Phylum Kinorhyncha (9)
- Phylum Loricifera
- Phylum Mesozoa accepted as Dicyemida
- Phylum Mollusca (728)
- Phylum Nematoda (312)
- Phylum Nemertea (72)
- Phylum Nemertina represented as Nemertea
- Phylum Platyhelminthes (129)
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera (496)
- Phylum Priapulida (4)
- Phylum Rotifera (1)
- Phylum Tardigrada
- Kingdom Bacteria (1)
- Kingdom Chromista (513)
- Kingdom Fungi (3)
- Kingdom Plantae (88)
- Kingdom Protozoa (38)
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