Mesoceras 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: subcycle 3 Member (Snake 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 17969: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Procyonidae
Bassariscus antiquus1 Matthew and Cook 1909 ringtail
 Perissodactyla - Rhinocerotidae
"Teleoceras (Mesoceras) thomsoni" = Teleoceras medicornutum2
"Teleoceras (Mesoceras) thomsoni" = Teleoceras medicornutum2 Osborn 1904 rhinoceros
Amphibia
 Caudata - Urodela
Andrias matthewi3 Cook 1917 giant salamander
cryptobranchid salamander