Conrad, T. A. (1841). Description of twenty-six new species of Fossil shells, discovered by him in the Medial Tertiary deposits of Calvert Cliffs, Maryland. Proceedings of the Academy of Natural Sciences of Philadelphia. 1(3): 28-35.
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Conrad, T. A.
1841
Description of twenty-six new species of Fossil shells, discovered by him in the Medial Tertiary deposits of Calvert Cliffs, Maryland
Proceedings of the Academy of Natural Sciences of Philadelphia