North Wall Quarry (Miocene of the United States)

Also known as Princeton's 1914 Locality 100C; Sinclair Draw Q. No. 7

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.0° N, 100.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: subcycle 1 Member (Olcott Formation), Early/Lower Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

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 17975: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• apparently no other Snake Creek locality is termed "Quarry 7"
Mammalia
 Perissodactyla - Rhinocerotidae
Aphelops megalodus1 Cope 1873 rhinoceros
"Quarry 7, West Sinclair Draw"
 Artiodactyla - Antilocapridae
Merycodus sabulonis Matthew and Cook 1909 pronghorn
"Cosoryx (Paracosoryx) sp." Frick 1937: compared to M. sabulonis and "C. savaronis"; from "Quarry No. 7, W. Sinclair Draw"
 Carnivora - Felidae
Pseudaelurus validus2 Rothwell 2001 cat
F:AM 61832, "East Wall Quarry"
 Carnivora - Canidae
Tomarctus hippophaga3 Matthew and Cook 1909 bone-crushing dog
"Quarry 7, Kilpatrick Pasture"