Meek, F.B. (1870). Descriptions of fossils collected by the U. S. Geological Survey under the charge of Clerence King, Esq. Proceedings of the Academy of Natural Sciences of Philadelphia. 22: 56-64
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Meek, F.B.
1870
Descriptions of fossils collected by the U. S. Geological Survey under the charge of Clerence King, Esq.
Proceedings of the Academy of Natural Sciences of Philadelphia