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): 8-9, pl. 5, figs. 3, 6 [details]
From editor or global species database
Type locality right bank of James River 1 1/2 miles below Claremont Wharf, from lowest bed [details]