(Valvatida) (Valvatida) is a biological order of the phylum Echinodermata (Echinoderms) and class Asteroidea (Starfish).
Archasteridae
Asterodiscididae
Asteropseidae
Chaetasteridae
Acanthasteridae
Asterinidae
Ganeriidae
Goniasteridae
Leilasteridae
Mithrodiidae
Odontasteridae
Ophidiasteridae
Oreasteridae
Podosphaerasteridae
Poraniidae
Solasteridae
Brisingida
Forcipulatida
Notomyotida
Paxillosida
Peripodida
Spinulosida
Valvatida
Velatida