PBDB Collection

Thistle Quarry (Miocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.1° N, 99.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: middle Member (Sheep Creek Formation), Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18000: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Carnivora - Amphicyonidae	Amphicyon sp.² Amphicyon sp.² Lartet 1836 bear-dog
Carnivora - Canidae	Leptocyon leidyi⁶, Protomarctus optatus⁷ Leptocyon leidyi⁶ Tedford et al. 2009 canine Protomarctus optatus⁷ Matthew 1924 bone-crushing dog
Artiodactyla - Palaeomerycidae	Sinclairomeryx riparius¹ Sinclairomeryx riparius¹ Matthew 1924 ruminant see also Stirton 1944
Artiodactyla - Antilocapridae	"Submeryceros minor" = Merycodus minor¹ "Submeryceros minor" = Merycodus minor¹ Frick 1937 pronghorn
Artiodactyla - Merycoidodontidae	Merychyus relictus⁵ Merychyus relictus⁵ Matthew and Cook 1909 oreodont
Perissodactyla - Equidae	Merychippus primus, Acritohippus tertius³, Archaeohippus penultimus Merychippus primus Osborn 1918 horse Acritohippus tertius³ Osborn 1918 horse Supplemental Table S1 Archaeohippus penultimus Matthew 1924 anchitheriine horse
Perissodactyla - Rhinocerotidae	Aphelops megalodus⁴, Teleoceras americanum⁴ Aphelops megalodus⁴ Cope 1873 rhinoceros Teleoceras americanum⁴ Yatkola and Tanner 1979 rhinoceros

¹Frick 1937; ²Hunt 1998; ³Mihlbachler et al. 2011; ⁴Prothero 2005; ⁵Schultz and Falkenbach 1947; ⁶Tedford et al. 2009; ⁷Wang et al. 1999