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
Belongs to Hemiaster (Bolbaster) according to K. J. McNamara 1987
Sister taxa: Hemiaster (Bolbaster) callidus, Hemiaster (Bolbaster) dolosus, Hemiaster (Bolbaster) planedeclivis, Hemiaster (Bolbaster) prunella, Hemiaster (Bolbaster) verecundus
Type specimen: SAN P26554, a test. Its type locality is Tortachilla Limestone - St Vincent Basin, which is in an Eocene/Eocene marine horizon in the Tortachilla Limestone Formation of Australia.
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution:
• Oligocene of Australia (3 collections)
• Eocene of Australia (1)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.