Conrad, T. A. (1848). Observations on the Eocene formation, and descriptions of one hundred and five new fossils of that period, from the vicinity of Vicksburg, Mississippi; with an Appendix. Journal of the Academy of Natural Sciences of Philadelphia, ser. 2. 1(2): 111-134, pls 11-14 (August 1848).
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Conrad, T. A.
1848
Observations on the Eocene formation, and descriptions of one hundred and five new fossils of that period, from the vicinity of Vicksburg, Mississippi; with an Appendix
Journal of the Academy of Natural Sciences of Philadelphia, ser. 2