Old Crow River Locality 44 (Pleistocene of Canada)

Also known as OCR 11 (upper)

Where: Yukon, Canada (68.2° N, 140.0° W: paleocoordinates 68.3° N, 139.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

Environment/lithology: terrestrial

Primary reference: C. R. Harington. 1978. Quaternary vertebrate faunas of Canada and Alaska and their suggested chronological sequence. Syllogeus 15:1-105 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 20626: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• Harington 1990 appears to give records for both OCR 44 and OCR 11; his merged list is used here
overlies sites in Unit 1b
in terminology of Morlan 1984, Unit 2 is the middle part of Unit 2a, and Unit 1b is the basal zone of Unit 2a
Morlan 1984 gives generally compatible lists of microtines from OCR 11 and OCR 44
Sangamonian
Mammalia
 Rodentia - Cricetidae
Ondatra zibethicus Linnaeus 1766 muskrat
Dicrostonyx sp.1 Gloger 1841 lemming
"Clethrionomys rutilus" = Myodes rutilus1 Pallas 1779 vole
Lemmus sibiricus Ognev 1947 Siberian brown lemming
Microtus cf. xanthognathus1 Leach 1815 taiga vole
Microtus cf. oeconomus1 Pallas 1776 tundra vole
Microtus miurus1 Osgood 1901 vole
 Rodentia - Sciuridae
Spermophilus parryii Richardson 1825 arctic ground squirrel
 Rodentia - Castoridae
Castor canadensis Kuhl 1820 American beaver
Castoroides ohioensis Foster 1838 giant beaver
 Lagomorpha - Leporidae
Lepus americanus1 Erxleben 1777 snowshoe hare
Lepus arcticus Ross 1819 hare
 Lagomorpha - Ochotonidae
Ochotona cf. whartoni1 Guthrie and Matthews 1971 pika
Ochotona princeps Richardson 1828 American pika
 Perissodactyla - Equidae
 Tribosphenida - Soricidae
Soricidae indet.1 Fischer 1814 shrew
 Carnivora - Mustelidae
"Martes pennanti" = Pekania pennanti1 Erxleben 1777 fisher
Gulo gulo Linnaeus 1758 wolverine
Brachyprotoma obtusata1 Cope 1899 short-faced skunk
 Carnivora - Canidae
Canis lupus1 Linnaeus 1758 gray wolf
Alopex lagopus Linnaeus 1758 Arctic fox
 Xenarthra - Megalonychidae
Megalonyx jeffersonii2 Desmarest 1822 Jefferson's ground sloth
 Proboscidea - Mammutidae
Mammut americanum1 Kerr 1792 American mastodon
 Proboscidea - Elephantidae
Mammuthus primigenius1 Blumenbach 1799 wooly mammoth
 Artiodactyla - Camelidae
Camelini indet. Gray 1821 camel
 Artiodactyla - Bovidae
Bison sp.1 Hamilton-Smith 1827 bison
Ovibovini indet.1 antelope
 Artiodactyla - Cervidae
Rangifer tarandus Linnaeus 1758 reindeer