White, C. A. (1878). Descriptions of New Species of Invertebrate Fossils from the Carboniferous and Upper Silurian Rocks of Illinois and Indiana. Proceedings of the Academy of Natural Sciences of Philadelphia. 30: 29-37.
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White, C. A.
1878
Descriptions of New Species of Invertebrate Fossils from the Carboniferous and Upper Silurian Rocks of Illinois and Indiana
Proceedings of the Academy of Natural Sciences of Philadelphia