†Arthraster Forbes 1848 (sea star)
Full reference: E. Forbes. 1848. On the Asteriadae found fossil in British strata. Memoirs of the Geological Survey of Great Britain, and of the Museum of Practical Geology in London 2(2):457-482
Parent taxon: Valvatida according to L. Villier 2010
Sister taxa: Acanthasteridae, Archasteridae, Asteriaceros, Asterinidae, Asterodiscididae, Asteropseidae, Chaetasteridae, Ganeriidae, Geinitzaster, Goniasteridae, Goniasteroidea, Granulosina, Leptaster, Mithrodiidae, Odontasteridae, Ophidiasteridae, Oreasteridae, Poraniidae, Pycinasteridae, Sphaerasteridae, Stauranderasteridae, Tumulosina
Subtaxa: Arthraster cristatus, Arthraster dixoni, Arthraster spenceri
Ecology: epifaunal carnivore