original description
Lea, H. C. (1845). <i>Description of some new fossil shells, from the Tertiary of Petersburg, Va.</i> Philadelphia, 48 pp., pls 34–37. [A preprint of H.C. Lea, 1846]. , available online at https://www.biodiversitylibrary.org/page/21733034
page(s): 41, pl. 37, fig. 87 [details]
redescription
Lea, H. C. (1846). Description of some new fossil shells, from the Tertiary of Petersburg, Virginia. <em>Transactions of the American Philosophical Society, new series.</em> 9(2): 229-274., available online at https://www.biodiversitylibrary.org/page/28860625
page(s): 267, pl. 37, fig. 87 [details]
From editor or global species database
Type locality Petersburg, Virginia, United States; Yorktown Formation (upper part), Piacenzian, late Pliocene [details]