Conrad, T. A. (1866). Checklist of the invertebrate fossils of North America. Eocene and Oligocene. <em>Smithsonian Miscellaneous Collections.</em> 7(200): iv + 1–41., available online athttps://www.biodiversitylibrary.org/page/8817605 page(s): 17 [details]
original descriptionConrad, T. A. (1866). Checklist of the invertebrate fossils of North America. Eocene and Oligocene. <em>Smithsonian Miscellaneous Collections.</em> 7(200): iv + 1–41., available online athttps://www.biodiversitylibrary.org/page/8817605 page(s): 17 [details]
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