Asteroidea - Valvatida - Goniasteridae
Full reference: W. Stimpson. 1857. On the Crustacea and Echinodermata of the Pacific shores of North America . Boston Journal of Natural History 6:444-532
Parent taxon: Goniasteridae according to A. M. Clark and M.E. Downey 1992
Sister taxa: Bugarachaster, Buterminaster, Caletaster, Calliaster, Calliderma, Capellia, Cenomanaster, Ceramaster, Chomataster, Cladaster, Codellaster, Comptonia, Comptoniaster, Cottreauaster, Crateraster, Cymbaster, Fayoumaster, Fomalhautia, Forbesiaster, Fredaster, Galbaster, Goniasterinae, Haccourtaster, Hessaster, Hippasteria, Hippasteriinae, Huroeaster, Leptogonium, Marocaster, Mastaster, Metopaster, Miopentagonaster, Nehalemia, Noviaster, Nymphaster, Ocalaster, Ogmaster, Ophryaster, Oyenaster, Pachyaster, Paragonaster, Parametopaster, Peltaster, Pseudarchasterinae, Pulcinellaster, Spenceraster, Sucia, Talecaster, Teichaster, Tesselaster, Tomidaster, Tosia, Tylasteria, Pentetagonaster malbosii
Subtaxa: Mediaster hayi
Ecology: epifaunal detritivore