original description
Stenzel, H. B., Krause, E. K. & Twining, J. T. (1957). Pelecypoda from the type locality of the Stone City Beds (Middle Eocene). <em>Bureau of Economic Geology, The Univesity of Texas, Austin.</em> 5704: 1–237, pls. 1-22 [15 February]., available online at https://repositories.lib.utexas.edu/handle/2152/77690
page(s): 137-138, pl. 16, figs. 7-10, text-fig. 22 [details]
From editor or global species database
Type locality "Bluff on left bank of the Trinity River at a sharp but obtuse bend, 085 mile air-line distance north of Alabama Ferry, Houston County, Texas" [details]