MolluscaBase taxon details
original description
Angas, G. F. (1879). On the terrestrial Mollusca collected in Costa Rica by the late Dr. W. M. Gabb, with descriptions of new species. <em>Proceedings of the Zoological Society of London.</em> 1879: 475-486, pl. 40., available online at https://www.biodiversitylibrary.org/page/28521607
page(s): 484, pl. 40, fig. 13 [details]