Specimen Images: (CalPhotos: Usage Guideline)

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Retrieve the UCMP Specimen Record (UCMP database)

Source of Image(s): © 2003 University of California Museum of Paleontology

Original Diagnosis and Related Text:

Source of Text:

Original diagnosis:
Kellogg, L. 1910. Rodent fauna of the late Tertiary beds at Virgin Valley and Thousand 
Creek, Nevada. University of California Publications in Geological Sciences, 5:421-437.

Genus reassignment:
Dice, L. R. 1917. Systematic position of several American Tertiary lagomorphs. 
University of California Publications in Geological Sciences, 10(12):179-183.