MolluscaBase name details
original description
Conrad, T. A. (1830). On the geology and organic remains of a part of the peninsula of Maryland; with appendix; containing descriptions of twenty-nine new species of fossil shells, noticed in the preceding paper. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 6 (2): 205-230, pls 9-10., available online at https://www.biodiversitylibrary.org/page/24677623
page(s): p. 211, p. 221-222, n. 3, pl. 9, fig. 17. [details]
source of synonymy
Martin, G.C. (1904) Mollusca. Gastropoda. In Clark, W.B. (Ed.) Miocene. Maryland Geolological Survey, Baltimore, pp. 131–270, pls. 39–63.
page(s): p. 222-223, pl. 54, fig. 10. [details]