Conrad, Timothy Abbot, 1856, Descriptions of three new genera; twenty-three new species of middle Tertiary fossils from California, and one from Texas

Conrad, Timothy Abbot, 1856, Descriptions of three new genera; twenty-three new species of middle Tertiary fossils from California, and one from Texas, Proceedings of the Academy of Natural Sciences of Philadelphia 8, pp. 312-316

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https://biodiversitylibrary.org/page/1935368#page/332/mode/1up

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https://biodiversitylibrary.org/page/1935368#page/332/mode/1up

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