basis of recordParodiz, J. J. (1969). The Tertiary non-marine Mollusca of South America. <em>Annals of the Carnegie Museum.</em> 40: 1-242., available online athttps://www.biodiversitylibrary.org/page/54645900 page(s): 106, pl. 12, figs 4, 6 [details] Available for editors