Late Pleistocene vertebrates from a rockshelter in Cimarron County, Oklahoma

Nicholas J. Czaplewski, Kent S. Smith

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)399-411
Number of pages13
JournalSouthwestern Naturalist
Issue number4
StatePublished - Dec 2012


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