Echinoidea - Spatangoida - Hemiasteridae
Full reference: K. J. McNamara. 1987. Taxonomy, evolution and functional morphology of southern Australian Tertiary hemisasterid echinoids. Palaeontology 30(2):319-352
Parent taxon: Hemiasteridae according to K. J. McNamara 1987
See also Sepkoski 2002
Sister taxa: Cheopsia, Crucibrissus, Distefanaster, Ditremaster, Eoagassizia, Hemiaster, Heterolampas, Holcopneustes, Hypsopatagus, Isopetalum, Mecaster, Palhemiaster, Periaster, Tripylaster, Vomeraster, Washitaster
Subtaxa: Psephoaster apokryphos Psephoaster klydonos Psephoaster lissos
Type: Psephoaster klydonos
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution:
• Miocene of Australia (2 collections)
• Oligocene of Australia (1)
• Eocene of Australia (2)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.