Conrad, T. A., 1865. Descriptions of new Eocene shells of the United States. American Journal of Conchology, 1: 142 -149 .
New Species-Group Names:
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alveatus Conrad, 1865. p. 148. pl. xi. f. 4.
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subsauridens Conrad, 1865. p. 148. pl. xi. f. 9.