Where: Sweetgrass County, Montana (46.0° N, 110.3° W: paleocoordinates 52.1° N, 89.5° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Melville Formation, Tiffanian (61.7 - 56.8 Ma)
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected in 2004
Primary reference: E. M. St. Clair, D. M. Boyer, J. I. Bloch and D. W. Krause. 2010. First records of a triisodontine mammal, Goniacodon levisanus, in the late Paleocene of the Northern Great Plains, North America. Journal of Vertebrate Paleontology 30(2):604-608 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133180: authorized by Philip Mannion, entered by Philip Mannion on 05.09.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
| |
Ectocion sp. Cope 1882 condylarth | |
Aphronorus orieli Gazin 1969 eutherian |