Hay Springs Fossil Quarry (UNSM Sd-2) (Pleistocene of the United States)

Where: Sheridan County, Nebraska (42.7° N, 102.5° W: paleocoordinates 42.7° N, 102.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: R. A. Hintlian. 1975. University of Nebraska MS thesis [J. Alroy/J. Alroy]more details

PaleoDB collection 20376: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Microtus pennsylvanicus" is an intrusive: Kurten and Anderson 1980
Mammalia
 Perissodactyla - Equidae
Equus sp.1 Linnaeus 1758 horse
Equus calobatus Troxell 1915 horse
 Artiodactyla - Tayassuidae
Platygonus sp. Leconte 1848 peccary
 Artiodactyla - Camelidae
Camelops cf. hesternus Leidy 1873 camel
 Carnivora - Canidae
"Canis dirus" = Aenocyon dirus2
"Canis dirus" = Aenocyon dirus2 Leidy 1858 dire wolf
 Rodentia - Cricetidae
Ondatra zibethicus1 Linnaeus 1766 muskrat
 Rodentia - Sciuridae
"Spermophilus cf. richardsonii" = Urocitellus richardsonii
"Spermophilus cf. richardsonii" = Urocitellus richardsonii Sabine 1822 Holarctic ground squirrel