MolluscaBase name details
original description
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. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1(3): 28-35., available online at https://www.biodiversitylibrary.org/page/1779130
page(s): 32 [details]
additional source
Conrad, T. A. (1842). Description of twenty-four species of fossil shells, chiefly from the Tertiary deposits of Calvert Cliffs, Maryland. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> (1) 8: 183-190., available online at https://www.biodiversitylibrary.org/page/24623181
page(s): p. 189 [details]