Traits taxon details
original description
(of ) 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): 224-225, pl. 9, fig. 11 [details]
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