Books about Paleontology -- Oligocene (sorted by popularity)
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- A New Species of Heteromyid Rodent from the Middle Oligocene of Northeast Colorado with Remarks on the Skull Edwin C. Galbreath 73 downloads
- Records of the Fossil Mammal Sinclairella, Family Apatemyidae, From the Chadronian and Orellan William Alvin Clemens 62 downloads
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Displaying results 1–2