Full reference: K.J. McNamara and G.W. Kendrick. 1994. Cenozoic Molluscs and Echinoids of Barrow Island, Western Australia. Records of the Western Australian Museum Supplement 51
Sister taxa: none
Type specimen: WAM 82.326. Its type locality is Poivre Fm, The Ledge, which is in a Miocene shallow subtidal limestone in the Poivre Formation of Australia.
Ecology: epifaunal grazer-deposit feeder