Gering A ( of the United States)

Where: Morrill County, Nebraska (41.7° N, 103.1° W: paleocoordinates 42.6° N, 97.3° W)

• coordinate based on political unit

When: Arikareean (29.5 - 18.5 Ma)

Environment/lithology: terrestrial

Primary reference: C. C. Swisher. 1982. Stratigraphy and biostratigraphy of the eastern portion of the Wildcat Ridge, western Nebraska. 1-172 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17513: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• some specimens probably from Scotts Bluff and Banner counties
entirely from the top few meters of the member
"Enhydrocyon geringensis" type - see Redington Gap West
Mammalia
 Creodonta - Hyaenodontidae
Hyaenodon sp. Laizer and Parieu 1838 creodont
 Perissodactyla - Hyracodontidae
Hyracodon sp. Leidy 1856 odd-toed ungulate
 Artiodactyla - Merycoidodontidae
Merycoidodontidae indet. Cook 1912 oreodont
Leptauchenia major Leidy 1856 oreodont
Sespia sp. Stock 1930 oreodont