original description
(of Cingula robusta H. C. Lea, 1845) Lea, H. C. (1845). A description of some new species of marine shells inhabiting the coast of the United States. <em>Proceedings of the Boston Society of Natural History.</em> 1: 204-205.
page(s): 205 [details]
new combination reference
Tryon, G. W. (1873). <i>American marine conchology: or, descriptions of the shells of the United States from Maine to Florida</i>. Philadelphia, published by the author. 208 pp. 44 plates. , available online at https://www.biodiversitylibrary.org/page/23258565
page(s): 83; plate 11, fig. 155 [details]
From editor or global species database
Taxonomic remark unlikely a Rissoa, but Tryon (1873) seems to be the last reviser [details]