Hay Springs Fossil Quarry (UNSM Sd-1): Irvingtonian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Sciuridae
Cynomys niobrarius Hay 1921
OK according to Goodwin 1995b
Mammalia - Rodentia - Geomyidae
Geomys bursarius (Shaw 1800)
Mammalia - Rodentia - Castoridae
Castoroides sp. Foster 1838
Mammalia - Rodentia - Cricetidae
Ondatra nebrascensis (Hollister 1911)
    = Ondatra zibethicus Linnaeus 1766
Alroy 2002
no other species of Ondatra is present: see Voorhies and Corner 1988
Mammalia - Perissodactyla - Rhinocerotidae
Aphelops megalodus (Cope 1873)
Prothero 2005
Mammalia - Perissodactyla - Equidae
Equus excelsus Leidy 1858
    = Equus sp. Linnaeus 1758
Alroy 2002
Equus calobatus (Troxell 1915)
synonym of Equus francisci
Mammalia - Camelidae
Camelops cf. hesternus (Leidy 1873)
Tanupolama sp. Stock 1928
    = Hemiauchenia sp. Gervais and Ameghino 1880
Alroy 2002
Mammalia - Antilocapridae
? Capromeryx sp. Matthew 1902
may include type of C. furcifer from "Hay Springs": see Frick 1937
Mammalia - Carnivora - Felidae
Smilodon cf. fatalis (Leidy 1868)
Martin et al. 1988
Mammalia - Carnivora - Canidae
Canis sp. Linnaeus 1758
both C. latrans and C. lupus are present at "Hay Springs": Nowak 1979
Mammalia - Mylodontidae
Mylodontidae indet. Ameghino 1889
    = Paramylodon harlani Owen 1840
McDonald 1995
Mammalia - Proboscidea - Elephantidae
Mammuthus imperator (Leidy 1858)
synonym of Mammuthus columbi
see common names

Geography
Country:United States State/province:Nebraska County:Sheridan
Coordinates: 42.7° North, 102.5° West (view map)
Paleocoordinates:42.7° North, 102.3° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
Key time interval:Irvingtonian
Age range of interval:1.80000 - 0.30000 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Museum repositories:UNSM
Taxonomic list comments:"Microtus pennsylvanicus" is an intrusive: Kurten and Anderson 1980
Metadata
Also known as:UNSM Sh-1
Database number:20375
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:M. Uhen Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2020-12-09 17:16:29
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1916. R. A. Hintlian. 1975. University of Nebraska MS thesis [J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
74680 A. R. Cahn. 1932. Records and distribution of the fossil Beaver, Castoroides ohioensis. Journal of Mammalogy 13(3):229-241 [M. Uhen/M. Uhen]
2433 L. D. Martin, C. B. Schultz, and M. R. Schult. 1988. Saber-toothed cats from the Plio-Pleistocene of Nebraska. Transactions of the Nebraska Academy of Sciences 16:53-64 [J. Alroy/J. Alroy/M. Uhen]
2499 H. G. McDonald. 1995. Gravigrade xenarthrans from the early Pleistocene Leisey Shell Pit 1A, Hillsborough County, Florida. Bulletin of the Florida Museum of Natural History 37(11) [J. Alroy/J. Alroy/J. Ju]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]