New or little known mammals from the Miocene of South Dakota. American Museum expedition of 1903. Part IV. Equidae

J. W. Gidley

1906

Article

Bulletin of the American Museum of Natural History 22(8):135-153

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Taxa discussed in this work:

• Nannippus niobrarensis
• Neohipparion dolichops
• Protohippus simus