Riddell (Pleistocene of Canada)

Where: Saskatchewan, Canada (52.2° N, 106.7° W: paleocoordinates 52.2° N, 106.7° W)

• coordinate based on nearby landmark

When: Riddell Member (Floral Formation), Late/Upper Pleistocene (0.1 - 0.0 Ma)

Environment/lithology: terrestrial

Primary reference: T. SkwaraWoolf. 1981. Biostratigraphy and paleoecology of Pleistocene deposits (Riddell Member, Floral Formation, Late Rancholabrean), Saskatoon, Canada. Canadian Journal of Earth Sciences 18 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 20635: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• this is not the same as Saskatoon sensu stricto or other "Riddell fauna" sites such as 63rd Street; taxa reported from the mbr. but not necessarily from this site by Skwara and Walker 1989 include the following: "Equus niobrarensis" Castor canadensis
Sangamonian: Skwara and Walker 1989
Mammalia
 Rodentia - Sciuridae
"Spermophilus richardsonii" = Urocitellus richardsonii, Cynomys niobrarius2
"Spermophilus richardsonii" = Urocitellus richardsonii Sabine 1822 Holarctic ground squirrel
Cynomys niobrarius2 Hay 1921 prairie dog
 Rodentia - Geomyidae
Thomomys talpoides Richardson 1828 northern pocket gopher
 Rodentia - Cricetidae
Lemmiscus curtatus1 Cope 1868 sagebrush vole
Arvicolinae indet. Gray 1821 vole
additional "Microtus sp."
Phenacomys intermedius Merriam 1889 western heather vole
Microtus cf. pennsylvanicus Ord 1815 meadow vole
Ondatra zibethicus Linnaeus 1766 muskrat
Clethrionomys gapperi Vigors 1830 southern red-backed vole
 Lagomorpha - Leporidae
Lepus sp. Linnaeus 1758 hare
Lepus cf. americanus Erxleben 1777 snowshoe hare
 Perissodactyla - Equidae
Equus conversidens Owen 1869 horse
 Artiodactyla - Camelidae
Camelops cf. hesternus Leidy 1873 camel
 Artiodactyla - Cervidae
? Odocoileus sp. Rafinesque 1832 New World deer
 Artiodactyla - Antilocapridae
Antilocapra cf. americana Ord 1815 pronghorn
 Carnivora - Canidae
Canis cf. latrans Say 1823 coyote
Vulpes cf. vulpes Linnaeus 1758 red fox
 Proboscidea - Proboscidea
Proboscidea indet. proboscidean