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1 December 2012 Late Pleistocene Vertebrates from a Rockshelter in Cimarron County, Oklahoma
Nicholas J. Czaplewski, Kent S. Smith
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Abstract

We studied fossils of late Pleistocene vertebrates that were excavated in 1940 from a small rockshelter in Cimarron County, Oklahoma. The assemblage consists of a Canada goose (Branta canadensis) and 14 mammals. Most of the mammals are large or medium-sized indicating a bias in the method of collecting. The assemblage includes Branta canadensis, Mammuthus cf. M. columbi, Cynomys, Neotoma, Lepus, Sylvilagus, Vulpes velox, Canis latrans, Canis lupus, cf. Lynx, Equus cf. conversidens, Equus cf. niobrarensis, Camelops hesternus, Antilocapridae, and Bison. Noteworthy among these is one of the few available late Pleistocene records of the swift fox, Vulpes velox. A piece of enamel from the mammoth at the locality yielded a radiocarbon age of 23,980 ± 130 years before present.

Estudiamos los fósiles de vertebrados del Pleistoceno tardío que fueron excavados en 1940 de un refugio pequeño de piedra en el condado de Cimarrón en Oklahoma. El ensamblaje se compone de un ganso de Canadá (Branta canadensis) y 14 mamíferos. La mayoría de los mamíferos son grandes o medianos, que indica un sesgo en el método de recolección. El ensamblaje incluye Branta canadensis, Mammuthus cf. M. columbi, Cynomys, Neotoma, Lepus, Sylvilagus, Vulpes velox, Canis latrans, Canis lupus, cf. Lynx, Equus cf. conversidens, Equus cf. niobrarensis, Camelops hesternus, Antilocapridae, y Bison. Significativo entre estos es uno de los pocos registros disponibles del Pleistoceno tardío de la zorrita norteña Vulpes velox. Un pedazo de esmalte del mamut de la localidad dio una edad radiocarbono de 23,980 ± 130 años antes del presente.

Nicholas J. Czaplewski and Kent S. Smith "Late Pleistocene Vertebrates from a Rockshelter in Cimarron County, Oklahoma," The Southwestern Naturalist 57(4), 399-411, (1 December 2012). https://doi.org/10.1894/0038-4909-57.4.399
Received: 26 September 2011; Accepted: 1 July 2012; Published: 1 December 2012
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