PaleoDB taxon number: 31341
Full reference: H.-M. D. de Blainville. 1830. Zoophytes. Dictionnaire de Sciences Naturelles 60:1-546
Parent taxon: Asterozoa according to D. B. Blake 2013
Sister taxa: Catervaparmasteridae, Eopentaroida, Falloasteridae, Ophiuroidea, Phragmactinidae, Somasteroidea, Stenuroidea, Auluroidea
Subtaxa: Ambuloasteroidea, Arthrasteridae, Cryptozonia, Eriaster, Euasteroidea, Euaxosida, Fandasteridae, Hemizonida, Hudsonasteridae, Kermasida, Lepidasteridae, Neopalaeasteridae, Omanasteridae, Petraster, Phanerozoma, Phanerozonida, Platyasterida, Pleiadeaster, Pleuraster, Promopalaeaster, Promopalaeasteridae, Protasteracanthion, Pustulosida, Spinulosacea, Trichotaster, Uranasteridae
Ecology: slow-moving low-level epifaunal carnivore