Lower Lebo Loc. 9 (Paleocene of the United States)

Where: Wheatland County, Montana (46.2° N, 109.9° W)

• Paleocoordinates: 56.4° N, 73.5° W (Wright 2013)

• coordinate based on political unit

When: "Fort Union" (= Lebo) Formation, Torrejonian (63.8 - 60.9 Ma)

Environment/lithology: terrestrial

Primary reference: G. G. Simpson. 1937. The Fort Union of the Crazy Mountain field, Montana and its mammalian faunas. Bulletin of the United States National Museum 169:1-287 [J. Alroy/J. Alroy/M. Carrano]more details

PaleoDB collection 14907: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC0 (CC0)

Taxonomic list

• Tetraclaenodon is an indicator fossil for the Torrejonian
Mammalia
 Procreodi - Arctocyonidae
"Arctocyon montanensis" = Arctocyon corrugatus, ? Mimotricentes sp.
"Arctocyon montanensis" = Arctocyon corrugatus Cope 1883 condylarth
? Mimotricentes sp. Simpson 1937 condylarth
 Tribosphenida - Phenacodontidae
Tetraclaenodon ? puercensis Cope 1881 condylarth