original description
Maury, C. J. (1925). A further contribution to the paleontology of Trinidad (Miocene Horizons). <em>Bulletins of American Paleontology.</em> 10(42): 153-402, pls. 1-43., available online at https://www.biodiversitylibrary.org/page/32509152
page(s): 235-236 [83-84], pl. 13, fig. 2 [details]
basis of record
Palmer, K. v. W. (1945). Fossil fresh-water Mollusca from the State of Monagas, Venezuela. <em>Bulletins of American Paleontology.</em> 31(118): 1-34., available online at https://www.biodiversitylibrary.org/page/10660362
page(s): 12-13, pl. 1, figs 1-10 [details] Available for editors [request]
From editor or global species database
Type locality Cedros Point, southwestern Trinidad [details]