Full reference: A. E. Verrill. 1870. Notes on the Radiata in the Museum of Yale College, 3. On the geographical distribution of echinoderms of the Pacific Coast of America. Transactions of the Connecticut Academy of Arts and Sciences 1(2):323-351
Parent taxon: Valvatida according to D. B. Blake 1989
Sister taxa: Acanthasteridae, Archasteridae, Arthraster, Asteriaceros, Asterinidae, Asterodiscididae, Asteropseidae, Chaetasteridae, Ganeriidae, Geinitzaster, Goniasteridae, Goniasteroidea, Granulosina, Leptaster, Mithrodiidae, Odontasteridae, Oreasteridae, Poraniidae, Pycinasteridae, Sphaerasteridae, Stauranderasteridae, Tumulosina
Subtaxa: Altairia, Certonardoa, Chariaster, Denebia, Linckia, Nardoa, Ophidiaster, Sladenia
Type: Ophidiaster
Ecology: epifaunal omnivore