Superorder Valvatacea McKnight 1975 (sea star)
Full reference: D.G. McKnight. 1975. Classification of somasteroids and asteroids (Asteroidea: Echinodermata). Journal of the Royal Society of New Zealand 5:13-19
Parent taxon: Neoasteroidea according to D. B. Blake et al. 2017
See also Blake 1989, McKnight 1975 and Villier et al. 2007
Sister taxa: Forcipulatacea, Henricia venturana, Migmasteridae, Pentasteria (Archastropecten) hastingiae, Surculifera
Subtaxa: Carniaster Notomyotida Paxillosida Valvatida
Ecology: slow-moving low-level epifaunal carnivore