Highway Blowout (Paleocene of the United States)

Where: Carter County, Montana (45.8° N, 104.4° W: paleocoordinates 50.9° N, 83.2° W)

• coordinate based on political unit

When: Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial

Primary reference: G. F. Gunnell. 1994. Paleocene mammals and faunal analysis of the Chappo Type Locality (Tiffanian), Green River Basin, Wyoming. Journal of Vertebrate Paleontology 14(1):81-104 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 14955: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• overlies Medicine Rocks Site 1
Amphibia
 Caudata - Urodela
Piceoerpeton willwoodense2 Meszoely 1967 salamander
Mammalia
 Multituberculata - Ptilodontidae
Ptilodus sp. Cope 1881 multituberculate
"P. sp. C"
 Primates - Plesiadapidae
Plesiadapis anceps1 Simpson 1936 primate