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
See also Barnes 1998, Blake 1989, Dean Shackleton 2005, Owen 1965, Schuchert 1915, Sepkoski 2002, Spencer and Wright 1966 and von Zittel 1895
Sister taxa: Eopentaroida, Ophiuroidea, Phragmactinidae, Somasteroidea, Stenuroidea, Auluroidea
Subtaxa: Ambuloasteroidea Arthrasteridae Cryptozonia Eriaster Euasteroidea Fandasteridae Hemizonida Hudsonasteridae Lepidasteridae Monasteridae Neopalaeasteridae Omanasteridae Palasterinidae Petraster Phanerozonida Platyasterida Pleiadeaster Pleuraster Promopalaeaster Promopalaeasteridae Protasteracanthion Pustulosida Spinulosacea Trichotaster Uranasteridae Zorocallida
Ecology: slow-moving low-level epifaunal carnivore