original description
Marshall, W. B. (1928). New fresh-water and marine bivalve shells from Brazil and Uruguay. <em>Proceedings of the United States National Museum.</em> 74(2762): 1-7, pls. 1-4., available online at https://www.biodiversitylibrary.org/page/7570370
page(s): 3-4, pl. 4, figs. 4-6 [details]
From editor or global species database
Type locality Canada Grande, Department of Cerro Largo [details]