Asteroidea - Valvatida

Full reference: E. Perrier. 1893. Traité de Zoologie. Librairie S. Savy, Paris 1(2):1-864

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, Ophidiasteridae, Oreasteridae, Pycinasteridae, Sphaerasteridae, Stauranderasteridae, Tumulosina

Subtaxa: Noriaster, Sphaeriaster

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Ecology: slow-moving low-level epifaunal carnivore