Devil's Gulch Horse Quarry: Barstovian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Gomphotheriidae
Gomphotherium sp. Burmeister 1837
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras sp. Hatcher 1894
    = Teleoceras medicornutum Osborn 1904
Prothero 2005
Aphelops megalodus (Cope 1873)
Prothero 2005
Mammalia - Perissodactyla - Equidae
Cormohipparion quinni n. sp. Woodburne 1996
    = Hippotherium quinni Woodburne 1996
Woodburne 1996
original and current combination Cormohipparion quinni
Pseudhipparion retrusum (Cope 1889)
Webb and Hulbert 1986
(6 measurements)
Pliohippus mirabilis (Leidy 1858)
Calippus regulus Johnston 1937
Calippus proplacidus (Osborn 1918)
Hulbert 1988
(6 measurements)
Protohippus perditus (Leidy 1858)
Hulbert 1988
(6 measurements)
Hypohippus sp. (Leidy 1858)
original and current combination Anchitherium (Hypohippus)
Megahippus sp. McGrew 1938
    = Megahippus matthewi n. sp. Barbour 1914
Gonzalez and Lofgren 2013
"The genotypic specimen of Megahippus (USNM 10-16- S-13, partial palate with P2-M1, Devil’s Gulch Horse Quarry, Nebraska), selected as the holotype of Megahippus matthewi by McGrew (1938)..."
Mammalia - Palaeomerycidae
Cranioceras skinneri n. sp. Frick 1937
    = Procranioceras skinneri Frick 1937
Alroy 2002
see Frick 1937
Mammalia - Moschidae
Blastomeryx mefferdi n. sp. Frick 1937
    = Blastomeryx gemmifer Cope 1874
Alroy 2002
see Frick 1937
Mammalia - Antilocapridae
Ramoceros sp. Frick 1937
Meryceros warreni (Leidy 1858)
    = Merycodus warreni Leidy 1858
Honey and Izett 1988
Mammalia - Tayassuidae
Prosthennops sp. Matthew and Gidley 1904
    = Tayassuinae indet. Palmer 1897
Alroy 2002
Mammalia - Merycoidodontidae
Ustatochoerus medius (Leidy 1858)
    = Merychyus medius Leidy 1858
Schultz and Falkenbach 1941
recombined as Ustatochoerus medius
Ustatochoerus schrammi Schultz and Falkenbach 1941
    = Ticholeptus zygomaticus Cope 1878
Schultz and Falkenbach 1941
"U. sp."
Mammalia - Camelidae
Aepycamelus sp. Macdonald 1956
Procamelus sp. Leidy 1858
Protolabis sp. Cope 1876
Mammalia - Carnivora - Canidae
Aelurodon sp. Leidy 1858
    = Aelurodon ferox Leidy 1858
Wang et al. 1999
also at "Devil's Gulch upper zone"
Paratomarctus temerarius (Leidy 1858)
Wang et al. 1999
Carpocyon compressus (Cope 1890)
Wang et al. 1999
may include "Tomarctus sp."
Mammalia - Carnivora - Amphicyonidae
Ischyrocyon sp. Matthew and Gidley 1904
Mammalia - Carnivora - Mustelidae
Leptarctus sp. Leidy 1856
Plionictis sp. Matthew 1924
Mammalia - Rodentia - Castoridae
Monosaulax sp. Stirton 1935
Evander 1999
    = Monosaulax skinneri Stout 1999
Korth 2008
Prodipoides burgensis (Korth 2002)
Korth 2008
Prodipoides dividerus (Stirton 1935)
Korth 2008
Eucastor sp. Allen 1877
Evander 1999
    = Eucastor tortus Leidy 1858
Korth 2008
see common names

Geography
Country:United States State/province:Nebraska County:Brown
Coordinates: 42.7° North, 100.0° West (view map)
Paleocoordinates:43.3° North, 96.7° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Barstovian
Age range of interval:16.30000 - 12.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Ogallala Formation:Valentine Member:Devil's Gulch
Local section:ValAH Local bed:3
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection size:283 specimens
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:283 F:AM specimens
Metadata
Database number:18124
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:M. Carrano Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2018-02-05 15:16:55
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
6193. M. F. Skinner and F. W. Johnson. 1984. Tertiary stratigraphy and the Frick Collection of fossil vertebrates from north-central Nebraska. Bulletin of the American Museum of Natural History 178(3):1-368 [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]
1467 R. L. Evander. 1999. Rodents and lagomorphs (Mammalia) from the Railway Quarries local fauna (Miocene, Barstovian) of Nebraska. Paludicola 2(3):240-256 [J. Alroy/J. Alroy/M. Uhen]
63541 B. Gonzalez and D. L. Lofgren. 2013. Review of Megahippus and Hypohippus from the Middle Miocene Barstow Formation of California. In R. E. Reynolds (ed.), Raising Questions in the Central Mojave Desert 78-89 [J. Marcot/J. Marcot]
1933 J. G. Honey and G. A. Izett. 1988. Paleontology, taphonomy, and stratigraphy of the Browns Park Formation (Oligocene and Miocene) near Maybell, Moffat County, Colorado. United States Geological Survey Professional Paper 1358:1-52 [J. Alroy/J. Alroy/J. Ju]
1949 R. C. Hulbert, Jr. 1988. Calippus and Protohippus (Mammalia, Perissodactyla, Equidae) from the Miocene (Barstovian-early Hemphillian) of the Gulf Coastal Plain. Bulletin of the Florida State Museum, Biological Sciences 32(3):221-340 [J. Alroy/J. Alroy/R. Hulbert]
31435 W. W. Korth. 2008. Cranial morphology, systematics and succession of beavers from the middle Miocene Valentine Formation of Nebraska, USA. Acta Palaeontologica Polonica 53(2):169-182 [J. Alroy/J. Alroy]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
3063 C. B. Schultz and C. H. Falkenbach. 1941. Ticholeptinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 79(1):1-105 [J. Alroy/J. Alroy/J. Marcot]
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]
6227 S. D. Webb and R. C. Hulbert, Jr. 1986. Systematics and evolution of Pseudhipparion (Mammalia, Equidae) from the late Neogene of the Gulf Coastal Plain and the Great Plains. Contributions to Geology, the University of Wyoming, Special Paper 3:237-272 [J. Alroy/J. Alroy/J. Marcot]
3755 M. O. Woodburne. 1996. Reappraisal of the Cormohipparion from the Valentine Formation, Nebraska. American Museum Novitates 3163:1-56 [J. Alroy/J. Alroy/J. Marcot]