Suborder Asteriadina Fisher 1928 (sea star)
Full reference: W. K. Fisher. 1928. Asteroidea of the North Pacific and adjacent waters. 3. Forcipulata. Bulletin of the United States National Museum 76:1-245
Parent taxon: Forcipulatida according to W. K. Spencer and C.W. Wright 1966
Sister taxa: Asteriidae, Brisingida, Heliasteridae, Labidiasteridae, Neomorphasteridae, Pedicellasteridae, Protothyraster, Terminasteridae, Zoroasteridae
Subtaxa: none
Ecology: slow-moving low-level epifaunal carnivore