Redington Gap East Ant Hill #2 (Oligocene of the United States)

Also known as Mo-107, in part

Where: Morrill County, Nebraska (41.7° N, 103.1° W: paleocoordinates 42.5° N, 96.6° W)

• coordinate based on political unit

When: Unit C Member (Gering Formation), Geringian (30.8 - 26.3 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 17597: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Theriamorpha - Proscalopidae
Proscalops tertius Reed 1961 placental
 Rodentia - Mylagaulidae
Promylagaulinae indet.1 Rensberger 1980 rodent
 Rodentia - Cricetidae
Leidymys blacki Macdonald 1963 mouse
 Rodentia - Allomyidae
Allomyidae indet.1 Marsh 1877 rodent
 Rodentia - Sciuridae
Cedromus savannae2 Hayes 2007 squirrel
re-identification of Cedromus sp.
 Rodentia - Castoridae
Castoridae indet. Gray 1821 beaver
said to be new
Palaeocastor sp.1 Leidy 1869 beaver
 Rodentia - Geomyidae
Pleurolicus cf. sulcifrons Cope 1878 pocket gopher
 Theriamorpha - Herpetotheriidae
"Peratherium spindleri" = Herpetotherium youngi
"Peratherium spindleri" = Herpetotherium youngi McGrew 1937 marsupial