basis of recordBequaert, J. C. (1950). Studies in the Achatininae, a group of African land snails. <em>Bulletin of the Museum of Comparative Zoology.</em> 105(1): 1-216, plates 1-81., available online athttps://www.biodiversitylibrary.org/page/11841320 page(s): 164 [details]