Mammalia - Rodentia - Sciuridae
Alternative combinations: Citellus argonautus, Otospermophilus argonautus, Spermophilus argonautus
Full reference: R. A. Stirton and H. F. Goeriz. 1942. Fossil Vertebrates From the Superjacent Deposits Near Knights Ferry, California. University of California Publications, Bulletin of the Department of Geological Sciences 26(5):447-472
Belongs to Citellus (Otospermophilus) according to M. D. Bryant 1945
See also Barnosky 1986, Black 1963, Korth 1994, Shotwell 1968, Stirton and Goeriz 1942 and Wilson and Reeder 1993
Sister taxa: Citellus (Otospermophilus) bensoni, Citellus (Otospermophilus) gidleyi, Otospermophilus beecheyi, Otospermophilus variegatus
Type specimen: UCMP 34281, a partial skeleton (A fragment of a right mandibular ramus with P4 and M1, and pieces of the pelvis). Its type locality is Schell Ranch, which is in a Hemphillian terrestrial tuff in the Mehrten Formation of California.
Ecology: scansorial granivore-frugivore
Distribution:
• Hemphillian of United States (2: California, Nevada collections)
• Miocene of United States (1: California)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.