We discovered a mandible of the flat-headed peccary (Platygonus compressus) in a sand and gravel borrow pit (Pit Stop Quarry) between Taylor and Show Low, Navajo County, Arizona. We also found isolated skeletal elements of a mole salamander (Ambystomatidae), pygmy rabbit (Brachylagus idahoensis), sagebrush vole (Lemmiscus curtatus), and several other small mammals in sediments immediately surrounding the peccary jaw. The presence of P. compressus indicates that the deposit is of late Pleistocene age. Specimens also represent the first Pleistocene record of Ambystomatidae on the Colorado Plateau, an important additional record of P. compressus on the Colorado Plateau, and 1 of 2 records of B. idahoensis in Arizona.
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1 September 2005
LATE PLEISTOCENE FAUNA FROM THE SOUTHERN COLORADO PLATEAU, NAVAJO COUNTY, ARIZONA
Lyndon K. Murray,
Christopher J. Bell,
M. Timothy Dolan,
Jim I. Mead
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The Southwestern Naturalist
Vol. 50 • No. 3
September 2005
Vol. 50 • No. 3
September 2005