Full reference: C. Schuchert. 1915. Revision of Paleozoic Stelleroidea with special reference to North American Asteroidea. Bulletin of the American Museum of Natural History 88:1-311
Parent taxon: Asteroidea according to D. B. Blake and D. R. Elliott 2003
Sister taxa: Ambuloasteroidea, Arthrasteridae, Cryptozonia, Embolasteridae, Eriaster, Euasteroidea, Fandasteridae, Hemizonida, Hudsonasteridae, Lepidasteridae, Neoasteroidea, Neopalaeasteridae, Palasterinidae, Petraster, Phanerozonida, Platyasterida, Pleiadeaster, Pleuraster, Promopalaeaster, Promopalaeasteridae, Protasteracanthion, Pustulosida, Spinulosacea, Trichotaster, Uranasteridae, Zorocallida
Subtaxa: Monaster
Type: Palaeaster (Monaster)
Ecology: slow-moving low-level epifaunal carnivore