original description
MacNeil, F.S. (1935). Fresh-water Mollusks from the Catahoula Sandstone (Miocene) of Texas. <em>Journal of Paleontology.</em> 9(1): 10-17.
page(s): 17, pl. 5, figs 12, 13 [details] Available for editors
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Type locality "5 miles north of the town of La Grange [Fayette Co., Texas], about one-half mile northwest of the south corner of the James Green League", USA; Catahoula Fm., Miocene [details]