†family Pentacerotidae (sea star)
Asteroidea - Phanerozoma - Pentacerotidae
Parent taxon: Phanerozoma according to W. B. Clark and M. W. Twitchell 1915
Sister taxa: Atheneidae, Pentagonasteridae
Subtaxa: none
Ecology: slow-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Pentacerotidae in the database