†family Xenasteridae Gregory 1899 (sea star)
Asteroidea - Hadrosida - Xenasteridae
Full reference: J. W. Gregory. 1899. On Lindstromaster and the classification of Palaeasterids. Geological Magazine 6:341-354
Parent taxon: Hadrosida according to D. B. Blake 2018
See also Blake 1989, Owen 1965, Schuchert 1915, Spencer 1916 and Spencer and Wright 1966
Sister taxa: Aulacolatiaster, Fandasteridae, Hudsonasteridae, Miomaster, Palaeasteridae, Pleiadeaster, Promopalaeasteridae, Spaniaster, Urasterellidae
Subtaxa: Agalmaster Devonaster Eifelaster Palaenectria Palaeostella Rhenaster Trimeraster Xenaster
Type: Xenaster
Ecology: slow-moving low-level epifaunal carnivore
Distribution: