original descriptionOdhner, N. H. J. (1919). Contribution à la faune malacologique de Madagascar. <em>Arkiv för Zoologi.</em> 12(6): 1-52., available online athttp://www.biodiversitylibrary.org/page/6455070 page(s): 16, pl. 1, fig. 9 [details]
Present Inaccurate Introduced: alien Containing type locality