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:

Gregory, J. T. 1942. Pliocene vertebrates from Big Spring Canyon South Dakota. University 
of California Publications, Bulletin of the Department of Geological Sciences, 
26(4):307-446.