Odhner, 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): 37, pl. 3, fig. 29 [details]
Type locality contained in Toamasina, Madagascan Exclusive Economic Zone
type locality contained in Toamasina [details] type locality contained in Madagascan Exclusive Economic Zone [details]
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): 37, pl. 3, fig. 29 [details]
Present Inaccurate Introduced: alien Containing type locality