Devil's Gulch Horse Quarry (Miocene of the United States)

Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.3° N, 96.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Devil's Gulch Member (Valentine Formation), Barstovian (16.3 - 12.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18124: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 283 F:AM specimens
Mammalia
 Proboscidea - Gomphotheriidae
Gomphotherium sp. Burmeister 1837 gomphothere
 Carnivora - Mustelidae
Plionictis sp. Matthew 1924 mustelid carnivore
Leptarctus sp. Leidy 1856 mustelid carnivore
 Carnivora - Amphicyonidae
Ischyrocyon sp. Matthew and Gidley 1904 bear-dog
 Carnivora - Canidae
Aelurodon ferox8 Leidy 1858 bone-crushing dog
Carpocyon compressus8 Cope 1890 bone-crushing dog
may include "Tomarctus sp."
Paratomarctus temerarius8 Leidy 1858 bone-crushing dog
 Artiodactyla - Moschidae
Blastomeryx gemmifer1 Cope 1874 musk deer
 Artiodactyla - Dromomerycidae
Procranioceras skinneri1 Frick 1937 ruminant
 Artiodactyla - Antilocapridae
Ramoceros sp. Frick 1937 pronghorn
Merycodus warreni3 Leidy 1858 pronghorn
 Artiodactyla - Tayassuidae
Tayassuinae indet.1 Palmer 1897 peccary
 Artiodactyla - Camelidae
Aepycamelus sp. Macdonald 1956 camel
Procamelus sp. Leidy 1858 camel
Protolabis sp. Cope 1876 camel
 Artiodactyla - Merycoidodontidae
"Merychyus medius" = Ustatochoerus medius7 Leidy 1858 oreodont
Ticholeptus zygomaticus7 Cope 1878 oreodont
 Perissodactyla - Equidae
Hypohippus sp. Leidy 1858 anchitheriine horse
Megahippus matthewi n. sp.2 Barbour 1914 anchitheriine horse
Pseudhipparion retrusum9 Cope 1889 hipparionine horse
"Hippotherium quinni" = Cormohipparion quinni10 Woodburne 1996 hipparionine horse
Pliohippus mirabilis Leidy 1858 horse
Calippus regulus Johnston 1937 horse
Calippus proplacidus4 Osborn 1918 horse
Protohippus perditus4 Leidy 1858 horse
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum6 Osborn 1904 rhinoceros
Aphelops megalodus6 Cope 1873 rhinoceros
 Rodentia - Castoridae
Eucastor tortus5 Leidy 1858 beaver
Prodipoides dividerus5 Stirton 1935 beaver
Prodipoides burgensis5 Korth 2002 beaver
Monosaulax skinneri5 Stout 1999 beaver