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 ?
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.
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.
Along with IGM 9562, associated fossil material includes the lower jaw, skull, and teeth of Equus conversidens as well as isolated molars of Mammuthus and Bison species; the latter suggesting a Rancholabrean NALMA for the faunal association (Montellano-Ballesteros, 2000; Reynoso and Montellano-Ballesteros, 2004).
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.
columbi and usually is in older faunas (late Irvingtonian and early Rancholabrean, rather than late Rancholabrean land mammal age; Morgan and Lucas, 2005).
All samples come from the late Rancholabrean (late Pleistocene) age Ingleside fauna (Lundelius 1972).
We propose that the mammoth remains and the salamander vertebrae reported here date to the late Pleistocene (late Wisconsinan Glaciation) and chronologically are part of the Rancholabrean North American Land Mammal Age.
The age of the Kennewick sequence is not well established, especially for the lower portions of the section, which may be entirely within the Rancholabrean mammal age (Rensberger and Barnosky 1993) or may include an Irvingtonian mammal age faunal component (Bell et al.