Old Crow River (OCR 45) (Pleistocene of Canada)

Also known as Unit 2a

Where: Yukon, Canada (67.8° N, 139.7° W: paleocoordinates 67.9° N, 139.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Primary reference: R. E. Morlan. 1984. Carnegie Museum of Natural History Special Publication 8 [J. Alroy/J. Alroy]more details

PaleoDB collection 20438: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• basal Unit 2a, equivalent to Unit 1b of Jopling et al. 1981
Mammalia
 Rodentia - Cricetidae
Microtus cf. pennsylvanicus Ord 1815 meadow vole
cf. Dicrostonyx sp. Gloger 1841 lemming
Lemmus sibiricus Ognev 1947 Siberian brown lemming