Bayard Quarry ( of the United States)

Also known as UNSM Bn-102

Where: Banner County, Nebraska (41.5° N, 103.8° W: paleocoordinates 42.4° N, 98.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Horn Member (Brule Formation), Arikareean (29.5 - 18.5 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

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 17465: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• said by Swisher 1982 to be in Unit C of the Gering Fm., but by Wang et al. 1999 to be in the Horn Member
Mammalia
 Carnivora - Canidae
Archaeocyon leptodus3 Schlaikjer 1935 bone-crushing dog
 Lagomorpha - Leporidae
Palaeolagus hypsodus Schlaikjer 1935 rabbit
 Rodentia - Castoridae
Castoridae indet. Gray 1821 beaver
said to be new
Palaeocastor sp.1 Leidy 1869 beaver
Reptilia
 Squamata -
Peltosaurus sp.2 Cope 1873 squamates
"from below quarry"