MarBEF Data System - European Register of Marine Species (ERMS)

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 (32 254)
Kingdom Animalia (26 732)
Phylum Acanthocephala (64)
Phylum Annelida (2 172)
Phylum Arthropoda (7 690)
Phylum Brachiopoda (39)
Phylum Bryozoa (786)
Phylum Cephalorhyncha
Phylum Chaetognatha (41)
Phylum Chordata (2 245)
Phylum Cnidaria (1 469)
Phylum Coelenterata
Phylum Ctenophora (37)
Phylum Cycliophora (1)
Phylum Dicyemida (17)
Phylum Echinodermata (650)
Phylum Ectoprocta accepted as Bryozoa
Phylum Entoprocta (59)
Phylum Gastrotricha (257)
Phylum Gnathostomulida (25)
Phylum Hemichordata (17)
Phylum Kinorhyncha (83)
Phylum Loricifera (2)
Phylum Mesozoa accepted as Dicyemida
Phylum Mollusca (4 737)
Phylum Nematoda (1 847)
Phylum Nematomorpha (3)
Phylum Nemertea (372)
Phylum Nemertina represented as Nemertea
Phylum Orthonectida (19)
Phylum Pentastomida accepted as Pentastomida
Phylum Phoronida (9)
Phylum Placozoa (1)
Phylum Platyhelminthes (2 192)
Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
Phylum Porifera (1 514)
Class Calcarea (104)
Class Demospongiae (1 338)
Class Hexactinellida (46)
Subclass Amphidiscophora (5)
Subclass Hexasterophora (41)
Order Aulocalycoida accepted as Aulocalycidae Ijima, 1927
Order Fieldingida accepted as Fieldingiidae Tabachnick & Janussen, 2004
Order Hexactinosa accepted as Hexactinosida
Order Hexactinosida accepted as Sceptrulophora
Order Hexasterophora incertae sedis (1)
Order Lyssacinosa accepted as Lyssacinosida
Order Lyssacinosida (25)
Order Sceptrulophora (15)
Family Aphrocallistidae Gray, 1867 (1)
Family Auloplacidae Schrammen, 1912 (1)
Family Euretidae Zittel, 1877 (5)
Family Farreidae Gray, 1872 (4)
Family Fieldingiidae Tabachnick & Janussen, 2004 (1)
Family Sceptrulophora incertae sedis
Family Tretodictyidae Schulze, 1886 (3)
Genus Hexactinella Carter, 1885 (1)
Species Hexactinella filholi Topsent, 1904 accepted as Auloplax filholi (Topsent, 1904)
Species Hexactinella grimaldii Topsent, 1890
Species Hexactinella tubulosa (Schulze, 1886) accepted as Tretodictyum tubulosum Schulze, 1886
Genus Tretodictyum Schulze, 1886 (2)
Class Homoscleromorpha (26)
Class Porifera incertae sedis
Phylum Priapulida (7)
Phylum Rotifera (105)
Phylum Sipunculida accepted as Sipuncula
Phylum Tardigrada (83)
Phylum Xenacoelomorpha (189)
Kingdom Bacteria (157)
Kingdom Chromista (3 254)
Kingdom Fungi (374)
Kingdom Monera represented as Bacteria
Kingdom Plantae (1 473)
Kingdom Protozoa (264)