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, Blake 2018, Dean Shackleton 2005, Owen 1965, Schuchert 1915, Sepkoski 2002, Spencer and Wright 1966 and von Zittel 1895
Sister taxa: Catervaparmasteridae, Eopentaroida, Falloasteridae, Ophiocistioidea, Ophiuroidea, Phragmactinidae, Somasteroidea, Stenuroidea, Auluroidea
Subtaxa: Ambuloasteroidea Arthrasteridae Cryptozonia Euasteroidea Euaxosida Hadrosida Hemizonida Hunsrueckaster Kermasida Lepidasterella Neopalaeasteridae Petrasteridae Phanerozoma Phanerozonida Platyasterida Pleuraster Proactis Protarthraster Pustulosida Schuchertiidae Silicaster Spinulosacea Trichotaster Yarravaster
Ecology: slow-moving low-level epifaunal carnivore