original description(ofLiosoma curta Conrad, 1874 †)Conrad, T. A. (1874). Remarks on the Tertiary clay of the Upper Amazon with descriptions of new shells. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1874: 25-32., available online athttps://www.biodiversitylibrary.org/page/26361848 page(s): 31-32, pl. 1, fig. 8 [details]