Wellsch Valley: Irvingtonian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Elephantidae
Mammuthus hayi (Barbour 1915)
"M. imperator haroldcooki or M. meridionalis"
Mammalia - Megalonychidae
? Megalonyx sp. Harlan 1825
Mammalia - Carnivora - Felidae
Lynx cf. rufus (Schreber 1777)
Mammalia - Carnivora - Canidae
Borophagus diversidens Cope 1892
    = Caninae indet. Gill 1872
Wang et al. 1999
    = Xenocyon lycaonoides Kretzoi 1938
Tedford et al. 2009
"Reported as ‘‘Bor- ophagus diversidens’’ by C.S. Churcher in Barendregt et al. (1991) and in previous contributions on the Wellsch Valley Fauna cited in that work."
Mammalia - Camelidae
Camelops sp. Leidy 1854
possibly C. minidokae: Barendregt et al. 1991
Mammalia - Tayassuidae
Platygonus ? bicalcaratus Cope 1893
nomen dubium belonging to Platygonus
Mammalia - Antilocapridae
? Tetrameryx sp. Lull 1921
Mammalia - Bovidae
? Euceratherium sp. Furlong and Sinclair 1904
Mammalia - Perissodactyla - Equidae
Equus complicatus Leidy 1858
Equus pacificus Leidy 1868
synonym of Equus (Hesperohippus) mexicanus
Mammalia - Lagomorpha - Leporidae
Hypolagus limnetus Gazin 1934
    = Hypolagus vetus Kellogg 1910
Barendregt et al. 1991
    = Hypolagus sp. Dice 1917
Alroy 2002
Mammalia - Rodentia - Geomyidae
Thomomys talpoides (Richardson 1828)
Mammalia - Rodentia - Sciuridae
Cynomys cf. meadensis Hibbard 1956
    = Cynomys sp. Rafinesque 1817
Goodwin 1995
may not even represent Cynomys
Spermophilus sp. Cuvier 1825
either "Citellus" cf. richardsoni or "C." cf. rexroadensis according to Barendregt et al. 1991
Mammalia - Rodentia - Cricetidae
Allophaiomys sp. Kormos 1932
    = Allophaiomys pliocaenicus Kormos 1932
Repenning and Grady 1988
Microtus paroperarius Hibbard 1944
Pliophenacomys osborni Martin 1972
    = Microtinae indet.
Alroy 2002
status unclear in light of Zakrzewski 1984; this appears to be "Phenacomys" of Repenning 1992, which could be Hibbardomys
Synaptomys kansasensis Hibbard 1952
    = Mictomys kansasensis Hibbard 1952
Alroy 2002
? Oryzomys sp. Baird 1857
see common names

Geography
Country:Canada State/province:Saskatchewan
Coordinates: 50.7° North, 107.9° West (view map)
Paleocoordinates:50.7° North, 107.7° West
Basis of coordinate:based on nearby landmark
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
Key time interval:Irvingtonian
Age range of interval:1.40000 - 0.21000 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: fauna is from Unit II, Unit III, and Unit IV
age based on Barendregt et al. 1991; section goes from reversed to normal and fauna is clearly Irvingtonian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Metadata
Database number:20563
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2003-09-01 20:02:22
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1200. C. S. Churcher. 1984. In W. C. Mahaney (ed.), Correlation of Quaternary Chronologies [J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
90725% 18860R. W. Barendregt, F. F. Thomas, E. Irving, J. Baker, A. M. Stalker and C. S. Churcher. 1991. Stratigraphy and paleomagnetism of the Jaw Face section, Wellsch Valley site, Saskatchewan. Canadian Journal of Earth Sciences 28:1353-1364 [J. Alroy/J. Alroy/J. Head]
1685 H. T. Goodwin. 1995. Systematic revision of fossil prairie dogs with descriptions of two new species. University of Kansas Natural History Museum Miscellaneous Publications 86:1-38 [J. Alroy/J. Alroy/M. Uhen]
2875 C. A. Repenning and F. Grady. 1988. The microtine rodents of the Cheetah Room fauna, Hamilton Cave, West Virginia, and the spontaneous origin of Synaptomys. United States Geological Survey Bulletin 1853(4):1-32 [J. Alroy/J. Alroy/J. Ju]
52058 R. H. Tedford, X. Wang, and B. E. Taylor. 2009. Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 325:1-218 [J. Marcot/J. Marcot/G. Lloyd]
3558 X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]