original description
Mansfield, W. C. (1929). New fossil mollusks from the Miocene of Virginia and North Carolina, with a brief outline of the divisions of the Chesapeake Group. <em>Proceedings of the United States National Museum.</em> 74(14): 1-11, 5 pls., available online at https://www.biodiversitylibrary.org/page/7570149
page(s): 8, pl. 5, figs. 4-5 [details]
From editor or global species database
Type locality near the bottom of a small ravince entering Blackwater River and about a quarter of a mile from it and about 1 1/2 miles northwest of Walters [details]