Rancholabrean

Rancholabrean

[‚ran·chō·lə′brā·ən]
(geology)
A stage of geologic time in southern California, in the upper Pleistocene, above the Irvingtonian.
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References in periodicals archive ?
The Rancholabrean Land Mammal Age is defined by the first appearance of Bison south of 55[degrees]N latitude and begins approximately 160,000 years BP (Bell et al.
Lauren Hall, School of Science and TechnologyCorpus Christi, "Pleistocene Rancholabrean Large Mammalian Fauna from Aransas River, San Patricio County, TX"
Furthermore, most of these assemblages appear to be of Rancholabrean age in the North American land-mammal biochronology and Lujanian in the South American biochronology.
He presents morphometric data in detail and suggests that the population was already in a state of transition towards the larger size that characterized the later Rancholabrean forms.
Teeth and post-cranial remains of Bison from throughout the deposits indicate that the Terapa local fauna represents the Rancholabrean North American Land Mammal Age of the late Pleistocene.
The beautiful armadillo is known from the end of the Pliocene through the latest Pleistocene, exhibiting a temporal size increase that terminated with Rancholabrean armadillos twice the size of the modern D.
Heaton and McDonald (1993) described a third metacarpal from the Kuchta Sand Pit locality in South Dakota and documented size differences between Blancan, Irvingtonian, and Rancholabrean species of Megalonyx.
Fossils in the kit fox geographic range are recorded from Rancholabrean deposits about 100-200 kya (Kurten and Anderson 1980).
Thus, the Chapala basin yields mammalian fossil assemblages of Blancan, Rancholabrean, and possibly Irvingtonian ages (Lucas, 2003, 2008).
Hulbert and Pratt (12) reported that fossil Amphiuma means (dentaries and vertebrae) were common in the coastal Rancholabrean Isle of Hope fossil site of Chatham County, Georgia.