Long Quarry: Hemingfordian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Amphicyonidae
Pliocyon sp. Matthew 1918
Hunt 1998
Amphicyon sp. Lartet 1836
Hunt 1998
Cynelos sp. Jourdan 1862
Hunt 1998
Mammalia - Carnivora - Canidae
Cynarctoides acridens (Barbour and Cook 1914)
Wang et al. 1999
Protomarctus optatus (Matthew 1924)
Wang et al. 1999
Osbornodon fricki Wang 1994
Wang 1994
Mammalia - Perissodactyla - Equidae
Archaeohippus penultimus Matthew 1924
Acritohippus tertius (Osborn 1918)
Mihlbachler et al. 2011
original and current combination Merychippus isonesus tertius
Supplemental Table S1
Mammalia - Perissodactyla - Chalicotheriidae
Tylocephalonyx skinneri Coombs 1979
Coombs 1979
no chalicotheres mentioned by Skinner et al.
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras americanum (Yatkola and Tanner 1979)
Prothero 2005
Aphelops megalodus (Cope 1873)
Prothero 2005
Mammalia - Merycoidodontidae
Brachycrus wilsoni Schultz and Falkenbach 1940
synonym of Brachycrus laticeps
includes type of "Brachycrus wilsoni longensis": see Schultz and Falkenbach 1940
Merychyus relictus (Matthew and Cook 1909)
includes type of "Merychyus relictus taylori": see Schultz and Falkenbach 1947
Mammalia - Antilocapridae
Merycodus sabulonis (Matthew and Cook 1909)
recombined as Cosoryx (Paracosoryx) sabulonis
Cosoryx wilsoni n. sp. Frick 1937
Skinner and Taylor 1967
original and current combination Cosoryx (Paracosoryx) wilsoni
Mammalia - Palaeomerycidae
Dromomeryx scotti Frick 1937
Frick 1937
synonym of Subdromomeryx antilopinus
see also Stirton 1944
Bouromeryx milleri (Frick 1937)
Galusha 1975
    = Bouromeryx americanus Douglass 1899
Liter and Prothero 2003
Sinclairomeryx riparius (Matthew 1924)
Frick 1937
see also Stirton 1944
see common names

Geography
Country:United States State/province:Nebraska County:Sioux
Coordinates: 42.4° North, 103.8° West (view map)
Paleocoordinates:43.1° North, 99.9° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
Stage:Burdigalian 10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Hemingfordian
Age range of interval:20.43000 - 15.97000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Sheep Creek Member:lower
Local section:Snake Local bed:1
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:17961
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:2006-09-13 00:27:33
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3175. M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1275 M. C. Coombs. 1979. Tylocephalonyx, a new genus of North American dome-skulled chalicotheres (Mammalia, Perissodactyla). Bulletin of the American Museum of Natural History 164(1):1-64 [J. Alroy/J. Alroy/M. Uhen]
6222 C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen]
1583 T. Galusha. 1975. Stratigraphy of the Box Butte Formation, Nebraska. Bulletin of the American Museum of Natural History 156(1) [J. Alroy/J. Alroy/J. Ju]
1977 R. M. Hunt, Jr. 1998. Amphicyonidae. 196-227 [J. Alroy/J. Alroy/J. Alroy]
61275 M. C. Mihlbachler, F. Rivals, N. Solounias and G. M. Semprebon. 2011. Dietary Change and Evolution of Horses in North America. Science 331:1178-1181 [J. Marcot/J. Marcot]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
3176 M. F. Skinner and B. E. Taylor. 1967. A revision of the geology and paleontology of the Bijou Hills, South Dakota. American Museum Novitates 2300:1-53 [J. Alroy/J. Alroy/J. Alroy]
6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]
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]