Far Surface Quarry (Miocene of the United States)

Also known as Q. No. 3; Quarry 2; Quarry 21; Quarry B

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: subcycle 3 Member (Olcott 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 17911: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rodentia - Cricetidae
Cricetidae indet.1 Fischer von Waldheim 1817 mouse
 Rodentia - Heteromyidae
Peridiomys rusticus n. sp. Matthew 1924 rodent
 Rodentia - Mylagaulidae
Pterogaulus laevis1 Matthew 1902 rodent
 Carnivora - Amphicyonidae
Cynelos sinapius1 Matthew 1902 bear-dog
 Carnivora - Mustelidae
Leptarctus oregonensis2 Stock 1930 mustelid carnivore
Mionictis elegans n. sp. Matthew 1924 badger
 Carnivora - Canidae
Microtomarctus conferta1 Matthew 1918 bone-crushing dog
Tomarctus hippophaga Matthew and Cook 1909 bone-crushing dog
"hippophagus" possibly from Camel Quarry: probably includes specimen of Wang et al. 1999 from "Quarry 3"
 Carnivora - Felidae
Pseudaelurus validus4 Rothwell 2001 cat
F:AM 61833
 Ungulata - Merycoidodontidae
Brachycrus siouense Sinclair 1915 oreodont
specimen from "B Quarry" described by Schultz and Falkenbach 1940
Merychyus relictus5 Matthew and Cook 1909 oreodont
 Ungulata - Palaeomerycidae
"Dromomeryx whitfordi" = Dromomeryx borealis3
"Dromomeryx whitfordi" = Dromomeryx borealis3 Cope 1877 ruminant
"Quarry B, Sinclair Draw"
 Ungulata - Antilocapridae
Merycodus sabulonis3 Frick 1937 pronghorn