Old Crow River (Lower OCR 12) (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, W. N. Irving, and B. F. Beebe. 1981. Stratigraphic, Sedimentological and Faunal Evidence for the Occurrence of Pre-Sangamonian Artefacts in Northern Yukon. Arctic 34(1):3-33 [J. Alroy/J. Alroy/M. Uhen]more details
PaleoDB collection 20434: authorized by John Alroy, entered by John Alroy on 26.03.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
• underlies Unit 2
Show authors, comments, and common names
Mammalia | |
Ochotona princeps Richardson 1828 American pika
Ochotona cf. whartoni Guthrie and Matthews 1971 pika | |
Lepus arcticus Ross 1819 hare
Lepus americanus Erxleben 1777 snowshoe hare | |
Microtus oeconomus, Microtus xanthognathus, Microtus miurus, Dicrostonyx sp., Ondatra zibethicus, Lemmus sibiricus
Microtus xanthognathus Leach 1815 taiga vole
Microtus miurus Osgood 1901 vole
Ondatra zibethicus Linnaeus 1766 muskrat
Lemmus sibiricus Ognev 1947 Siberian brown lemming | |
"Spermophilus parryii" = Urocitellus parryii
"Spermophilus parryii" = Urocitellus parryii Richardson 1825 arctic ground squirrel | |
Castor canadensis Kuhl 1820 American beaver
Castoroides ohioensis Foster 1838 giant beaver | |
"Alopex cf. lagopus" = Vulpes lagopus, Canis cf. lupus
"Alopex cf. lagopus" = Vulpes lagopus Linnaeus 1758 Arctic fox
Canis cf. lupus Linnaeus 1758 gray wolf | |
Equus sp. Linnaeus 1758 horse | |
Rangifer tarandus Linnaeus 1758 reindeer
Cervus ? elaphus Linnaeus 1758 red deer | |
Mammuthus sp. Brookes 1828 mammoth |