MolluscaBase name details
original description
Cotton, B. C. (1939). Reports of the Expedition of the McCoy Society for Field Investigation and Research. Mollusca. Part 2: General. <em>Proceedings of the Royal Society of Victoria.</em> 51(1): 159-176 [stated date: 1938]., available online at https://www.biodiversitylibrary.org/page/55064465 [details]
From other sources
Subgenus (Plastiscala) [details]