North Pilgrim 2 (Miocene of the United States)

Also known as UWBM loc. 237

Where: Teton County, Wyoming (43.9° N, 110.8° W: paleocoordinates 44.6° N, 107.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Unit 43 Member (Colter Formation), Barstovian (16.3 - 12.5 Ma)

• said to be late Barstovian

Environment/lithology: terrestrial

Primary reference: A. D. Barnosky. 1986. Arikareean, Hemingfordian, and Barstovian Mammals From the Miocene Colter Formation, Jackson Hole, Teton County, Wyoming. Bulletin of Carnegie Museum of Natural History 26:1-69 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18990: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Lagomorpha - Leporidae
Archaeolaginae indet.1
 Lagomorpha - Ochotonidae
Oreolagus colteri
Oreolagus colteri Barnosky 1986 pika
 Rodentia - Heteromyidae
Mioheteromys amplissimus3, Perognathus furlongi, Cupidinimus whitlocki2
Mioheteromys amplissimus3 Korth 1997 rodent
Perognathus furlongi Gazin 1930 pocket mouse
Cupidinimus whitlocki2 Barnosky 1986 rodent
 Rodentia - Geomyidae
Mojavemys magnumarcus, Parapliosaccomys transversus1
Mojavemys magnumarcus Barnosky 1986 pocket gopher
Parapliosaccomys transversus1 Barnosky 1986 pocket gopher
 Rodentia - Sciuridae
Petauristodon sp., Tamias cf. ateles, Spermophilus primitivus
Petauristodon sp. Engesser 1979 squirrel
Tamias cf. ateles Hall 1930 chipmunk
Spermophilus primitivus Bryant 1945 ground squirrel
 Rodentia - Zapodidae
Zapodidae indet.1
Zapodidae indet.1 Coues 1875 jumping mouse
 Soricomorpha - Talpidae
Domninoides cf. valentinensis1
1Alroy 2002; 2Barnosky 1986; 3Korth 1997