original description
(of Vivipara (Paludina) williamsi Hartt, 1870 †) Hartt, C.F. (1870). Thayer Expedition. Scientific results of a journey in Brazil by Louis Agassiz and his traveling companions. Geology and physical geography of Brazil. Fields, Osgood, & Co., Boston, 620 pp., available online at https://archive.org/stream/cihm_03016#page/n7/mode/2up
page(s): 351 [details]
basis of record
Parodiz, J. J. (1969). The Tertiary non-marine Mollusca of South America. <em>Annals of Carnegie Museum.</em> 40: 1-242., available online at https://www.biodiversitylibrary.org/page/54645900
page(s): 108, pl. 12, figs 12-13 [details] Available for editors [request]
From editor or global species database
Classification Attributed tentatively to Lioplacodes by Parodiz (1969). [details]