Old Crow River (Lower OCR 11) (Pleistocene of Canada)

Also known as Unit 1b

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)

• said to be Illinoian

Environment/lithology: terrestrial

Primary reference: A. V. Jopling and Et al. 1981. Stratigraphic, Sedimentological and Faunal Evidence for the Occurrence of Pre-Sangamonian Artefacts in Northern Yukon. Arctic 34(1) [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 20433: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• underlies Unit 2
possibly relevant: Megalonyx jeffersonii McDonald et al. 2000: "Old Crow Locality 11A"; also at localities 22, 24, 29, 42, 66, 84, 144, D, which presumably are Wisconsinan
Mammalia
 Rodentia - Castoridae
Castoroides ohioensis Foster 1838 giant beaver
 Lagomorpha - Ochotonidae
Ochotona cf. whartoni Guthrie and Matthews 1971 pika