Stewart Quarry (Miocene of the United States)

Also known as UNSM Cr-150

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.4° N, 97.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Crookston Bridge Member (Valentine Formation), Barstovian (16.0 - 13.6 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: M. R. Voorhies and C. L. Timperley. 1997. A New Pronotolagus (Lagomorpha: Leporidae) and Other Leporids from the Valentine Railway Quarries (Barstovian, Nebraska), and the Archaeolagine-Leporine Transition. Journal of Vertebrate Paleontology 17(4):725-737 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 18412: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes only the most common taxa apart from canids (described by Wang et al. 1999) and equines
Fischer Quarry (UNSM Cr-152) is on the other side of the same roadcut; the original Valentine Railway Quarries are several hundred meters to the east
Mammalia
 Rodentia - Mylagaulidae
Pterogaulus sp.5 Korth 2000 rodent
"abundant"
 Lagomorpha - Leporidae
Hypolagus parviplicatus Dawson 1958 rabbit
Hypolagus fontinalis Dawson 1958 rabbit
Pronotolagus albus Voorhies and Timperley 1997 rabbit
includes type
Alilepus sp. Dice 1931 rabbit
 Perissodactyla - Rhinocerotidae
Peraceras sp., "Teleoceras minor" = Teleoceras meridianum6
Peraceras sp. Cope 1880 rhinoceros
"Teleoceras minor" = Teleoceras meridianum6 Leidy 1865 rhinoceros
 Perissodactyla - Tapiridae
Tapiridae indet.1 Gray 1821 tapir
 Perissodactyla - Equidae
Hypohippus sp. Leidy 1858 anchitheriine horse
 Artiodactyla - Moschidae
Longirostromeryx sp. Frick 1937 musk deer
Parablastomeryx gregorii7 Frick 1937 musk deer
 Artiodactyla - Palaeomerycidae
Cranioceratini indet.1 Frick 1937 ruminant
 Artiodactyla - Leptomerycidae
Pseudoparablastomeryx sp. Frick 1937 ruminant
 Artiodactyla - Merycoidodontidae
Merychyus sp.1 Leidy 1858 oreodont
 Carnivora - Canidae
Cynarctus saxatilis8 Matthew 1902 bone-crushing dog
Aelurodon mcgrewi8 Wang et al. 1999 bone-crushing dog
Reptilia
 Testudines - Emydidae
Terrapene cf. ornata4 Agassiz 1857 Western box turtle
Glyptemys valentinensis3 Holman and Fritz 2001 turtle
Chrysemys sp.2 Gray 1844 painted turtle