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Camel fossils from gravel pits near Edmonton and Vauxhall, and a review of the Quaternary camelid record of Alberta

2016; NRC Research Press; Volume: 53; Issue: 5 Linguagem: Inglês

10.1139/cjes-2016-0013

1480-3313

Christopher N. Jass, Timothy E. Allan,

Animal Diversity and Health Studies

Camelid remains are known from several Quaternary palaeontological localities in Alberta, yet most specimens are undescribed in the literature. Specimens reported here comprise a large sample of the known camelid record from the province and provide further insight into the record of Quaternary megafauna of western Canada. Remains from the Edmonton area include specimens pre- and post-dating the Last Glacial Maximum (LGM), whereas remains from the Vauxhall area are post-LGM. A metapodial fragment of a giant camel originally described as Titanotylopus from the Edmonton area is likely from earlier in the Pleistocene or late Pliocene. Camelid remains are not overly abundant in Alberta, but are widely distributed, having been recovered from several sites across the province. A new radiocarbon date of 11 280 ± 40 14 C years BP on a radioulna of Camelops cf. C. hesternus represents only the fourth direct age assessment of a Quaternary camelid from Alberta. Radiocarbon data may suggest linkages to patterns of extirpation observed in camelid populations from northern Canada, followed by recolonization following deglaciation.