Between brackets is the number of accepted extant species
Click on "-" to collapse/hide all child taxa
Shows the number of accepted extant species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- Biota (12 685)
- Kingdom Animalia (9 791)
- Phylum Acanthocephala (30)
- Phylum Annelida (617)
- Phylum Arthropoda (4 265)
- Phylum Brachiopoda (64)
- Phylum Bryozoa (363)
- Phylum Cephalorhyncha
- Phylum Chaetognatha (25)
- Phylum Chordata (1 415)
- Phylum Cnidaria (460)
- Phylum Ctenophora (11)
- Phylum Dicyemida (1)
- Phylum Echinodermata (638)
- Subphylum Asterozoa (412)
- Class Asteroidea (290)
- Subclass Ambuloasteroidea (290)
- Infraclass Neoasteroidea (290)
- Superorder Forcipulatacea (95)
- Order Brisingida (18)
- Order Forcipulatida (76)
- Family Asteriidae Gray, 1840 (48)
- Family Heliasteridae Viguier, 1879 (2)
- Family Pedicellasteridae Perrier, 1884 (4)
- Genus Anteliaster Fisher, 1923 (2)
- Genus Pedicellaster M. Sars, 1861 (1)
- Species Pedicellaster antarcticus Ludwig, 1903 accepted as Pedicellaster hypernotius antarcticus Ludwig, 1903
- Species Pedicellaster hypernotius Sladen, 1889
- Species Pedicellaster scaber E. A. Smith, 1876 accepted as Anteliaster scaber (E. A. Smith, 1876)
- Genus Tarsaster Sladen, 1889 (1)
- Family Stichasteridae Perrier, 1885 (15)
- Family Zoroasteridae Sladen, 1889 (7)
- Family Paulasteriidae Mah et al., 2015 (1)
- Superorder Spinulosacea (20)
- Superorder Valvatacea (138)
- Order Velatida (37)
- Class Ophiuroidea (122)
- Class Stelleroidea accepted as Asterozoa
- Subphylum Crinozoa (48)
- Subphylum Echinozoa (178)
- 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 (753)
- Phylum Nematoda (396)
- Phylum Nemertea (75)
- Phylum Nemertina represented as Nemertea
- Phylum Platyhelminthes (134)
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera (281)
- Phylum Priapulida (4)
- Phylum Rotifera (163)
- Phylum Tardigrada (80)
- Kingdom Archaea (1)
- Kingdom Bacteria (310)
- Kingdom Chromista (956)
- Kingdom Fungi (740)
- Kingdom Plantae (822)
- Kingdom Protozoa (65)
