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A Description of the Genus Protostega, a Form of Extinct Testudinata

Edward D. Cope
Proceedings of the American Philosophical Society
Vol. 12, No. 86 (1871), pp. 422-433
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Page Count: 12
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Notes and References

This item contains 2 references.

  • *
    Proceed. Amer. Philos. Soc.1871, p. 173
  • This reference contains 2 citations:
    • Cretaceous Reptiles of North America, p. 42
    • Smithson, Contrib. 1864