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 (16.0 - 13.6 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
 Rodentia - Castoridae
Monosaulax skinneri5 Stout 1999 beaver
Prodipoides burgensis5 Korth 2002 beaver
Prodipoides dividerus5 Stirton 1935 beaver
Eucastor tortus5 Leidy 1858 beaver
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum6 Osborn 1904 rhinoceros
Aphelops megalodus6 Cope 1873 rhinoceros
 Perissodactyla - Equidae
"Hippotherium quinni" = Cormohipparion quinni10 Woodburne 1996 hipparionine horse
Pseudhipparion retrusum9 Cope 1889 hipparionine horse
Pliohippus mirabilis Leidy 1858 horse
Protohippus perditus4 Leidy 1858 horse
Calippus proplacidus4 Osborn 1918 horse
Calippus regulus Johnston 1937 horse
Megahippus matthewi n. sp.2 Barbour 1914 anchitheriine horse
Hypohippus sp. Leidy 1858 anchitheriine horse
 Carnivora - Amphicyonidae
Ischyrocyon sp. Matthew and Gidley 1904 bear-dog
 Carnivora - Mustelidae
Leptarctus sp. Leidy 1856 mustelid carnivore
Plionictis sp. Matthew 1924 mustelid carnivore
 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
 Proboscidea - Gomphotheriidae
Gomphotherium sp. Burmeister 1837 gomphothere
 Ungulata - Merycoidodontidae
"Merychyus medius" = Ustatochoerus medius7 Leidy 1858 oreodont
Ticholeptus zygomaticus7 Cope 1878 oreodont
 Ungulata - Tayassuidae
Tayassuinae indet.1 Palmer 1897 peccary
 Ungulata - Camelidae
Protolabis sp. Cope 1876 camel
Procamelus sp. Leidy 1858 camel
Aepycamelus sp. Macdonald 1956 camel
 Ungulata - Palaeomerycidae
Procranioceras skinneri1 Frick 1937 ruminant
 Ungulata - Antilocapridae
Merycodus warreni3 Leidy 1858 pronghorn
Ramoceros sp. Frick 1937 pronghorn
 Ungulata - Moschidae
Blastomeryx gemmifer1 Cope 1874 musk deer