Nebraska Academy of Sciences


Date of this Version



1995. Transactions of the Nebraska Academy of Sciences, 22: 87-92. Copyright © 1995 Korth.


Only one rodent specimen has been previously described from the late Hemphillian ZX Bar local fauna from Sioux County, Nebraska-the holotype of the heteromyid Perognathus coquorum Wood. A re-examination ofthis specimen has led to its allocation to the dipodomyine heteromyid genus Prodipodomys Hibbard. An additional specimen of a fossil rodent has been recognized from the ZX Bar fauna that is referable to a new species of the primitive geomyid Pliogeomys, P. russelli.

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