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): 4, pl. 1, figs 3, 4, 6 [details]
basis of record
Cox, L. R. et al. (1969). Part N: Mollusca 6, Bivalvia. In: Moore, R.C. (Ed.) Treatise on Invertebrate Paleontology. Geological Society of America and University of Kansas Press, Lawrence, Kansas, 2 vol., 951 pp. [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]