Full reference: C. Schuchert. 1914. Fossilium Catalogus. 1: Animalia, pars 3, Stelleroidea palaeozoica. W. Junk, Berlin 1-53
Parent taxon: Asteroidea according to D. B. Blake 2018
See also Blake 2009, Owen 1965, Schuchert 1915, Sepkoski 2002, Spencer 1927, Spencer and Wright 1966 and Welsh 1984
Sister taxa: Ambuloasteroidea, Arthrasteridae, Cryptozonia, Euasteroidea, Euaxosida, Hadrosida, Hemizonida, Hunsrueckaster, Kermasida, Neopalaeasteridae, Petrasteridae, Phanerozoma, Phanerozonida, Platyasterida, Pleuraster, Proactis, Protarthraster, Pustulosida, Schuchertiidae, Silicaster, Spinulosacea, Trichotaster, Yarravaster
Subtaxa: Lepidasterella babcocki Lepidasterella montanensis
Type: Helianthaster gyalum
Ecology: slow-moving low-level epifaunal carnivore
Distribution: found only at Bear Gulch (Carnegie Museum Collection) (Carboniferous of Montana)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.