Locus typicus: Cape Lamb, Vega Island, Antarctic Peninsula
Stratum typicum: López de Bertodano Formation, Campanian,.Cretaceous
Holotype: CPCEN 3749 (Buenos Aires, Argentina).
References
Stilwell, J. D. 1994: Latest Cretaceous to earliest Paleogene molluscan faunas of New Zealand: changes in composition as a consequence of the break-up of Gondwana and extinction. Unpublished PhD thesis, University of Otago, Dunedin, New Zealand
