Mammalia - Rodentia - Sciuridae
Alternative combinations: Citellus primitivus, Otospermophilus primitivus
Full reference: M. D. Bryant. 1945. Phylogeny of Nearctic Sciuridae. American Midland Naturalist 33(2):257-390
Belongs to Spermophilus according to W. W. Korth 1994
See also Barnosky 1986, Black 1963, Shotwell 1968 and Wilson and Reeder 1993
Sister taxa: Spermophilus armatus, Spermophilus boothi, Spermophilus cochisei, Spermophilus columbianus, Spermophilus cragini, Spermophilus cyanocittus, Spermophilus dotti, Spermophilus finlayensis, Spermophilus fricki, Spermophilus howelli, Spermophilus jerae, Spermophilus johnstoni, Spermophilus lorisrusselli, Spermophilus matachicensis, Spermophilus matthewi, Spermophilus mcgheei, Spermophilus mckayensis, Spermophilus meadensis, Spermophilus meltoni, Spermophilus rexroadensis, Spermophilus russelli, Spermophilus shotwelli, Spermophilus spilosoma, Spermophilus superciliosus, Spermophilus taylori, Spermophilus tridecemlineatus, Spermophilus tuitus, Spermophilus wellingtonensis, Spermophilus wilsoni, Citellus ridgwayi
Type specimen: CM 746, a mandible (A right mandibular ramus with a broken incisor, worn cheek teeth, and the basal portion of the vertical ramus)
Ecology: semifossorial granivore-frugivore
Distribution:
• Miocene of United States (2: Montana, Wyoming collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.