Below Observation Quarry (Miocene of the United States)

Where: Dawes County, Nebraska (42.8° N, 103.1° W: paleocoordinates 43.5° N, 99.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: W. W. Korth. 2000. Review of Miocene (Hemingfordian to Clarendonian) mylagaulid rodents (Mammalia) from Nebraska. Annals of Carnegie Museum 69(4):227-280 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17876: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• NE 1/4 SE 1/4 sec 4 T31N R47W, i.e., within a few hundred yards of Observation Quarry
said to be "below level of Observation Quarry" (in the Box Butte Formation?)
Mammalia
 Rodentia - Mylagaulidae
Alphagaulus tedfordi n. sp. Korth 2000 rodent