original description
Marshall, W. B. (1929). New fossil land and fresh-water mollusks from the Reynosa formation of Texas. <em>Proceedings of the United States National Museum.</em> 76(2798): 1-6., available online at https://www.biodiversitylibrary.org/page/27945337
page(s): 5, pl. 1, fig. 7 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 62 [details] Available for editors [request]
From editor or global species database
Type locality Along the Guadalupe River, De Witt County, Texas, USA; Reynose Fm., Pliocene [details]