Spring Creek 1 (Level 2) (Miocene to of the United States)

Also known as UWBM A5867-2

Where: Meagher County, Montana (46.5° N, 111.0° W: paleocoordinates 47.3° N, 107.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Deep River Formation, Hemingfordian to Hemingfordian (20.4 - 12.5 Ma)

• said to be Hemingfordian to Barstovian

Environment/lithology: terrestrial

Primary reference: A. D. Barnosky. 1981. A skeleton of Mesoscalops (Mammalia, Insectivora) from the Miocene Deep River Formation, Montana, and a review of the proscalopid moles: evolutionary, functional, and stratigraphic relationships. Journal of Vertebrate Paleontology 1(3-4):285-339 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 19084: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• secs 14, 23 T10N R5E
Mammalia
 Perissodactyla - Equidae
Equidae indet.1 Gray 1821 horse
Equinae indet. Steinmann and Döderlein 1890 horse
"Merychippus"
 Theriamorpha - Proscalopidae
Mesoscalops montanensis n. sp. Barnosky 1981 placental
 Rodentia - Mylagaulidae
Mylagaulidae indet.1 Cope 1881 rodent
Alphagaulus pristinus2 Douglass 1903 rodent