Old Crow River Locality CRH-47 (Pleistocene of Canada)

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: Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. A. Repenning and E. M. Brouwers. 1992. Late Pliocene-early Pleistocene ecologic changes in the Arctic Ocean borderland. United States Geological Survey Bulletin 2036(3):1-37 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 20432: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• apparently a new and undescribed fauna; only the microtines are listed
exact stratigraphic position not discussed
Mammalia
 Rodentia - Cricetidae
Phenacomys sp. Merriam 1889 vole
Lasiopodomys deceitensis Guthrie and Matthews 1971 vole
Microtus sp. Schrank 1798 vole
sensu stricto, said to be "diverse" by Repenning 1992
Mimomys cf. virginianus Repenning and Grady 1988 vole
Dicrostonyx sp. Gloger 1841 lemming
sample intergrades from D. renidens to D. simplicior "from bottom to top of the section"
 Proboscidea - Elephantidae
Mammuthus hayi Barbour 1915 mammoth