Where: Garfield County, Montana (47.6° N, 107.0° W: paleocoordinates 53.9° N, 81.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Pu3 mammal zone, Tullock Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; silty sandstone
Size classes: macrofossils, mesofossils
Reposited in the UCMP
Collection methods: bulk, quarrying, surface (float), sieve,
Primary reference: J. D. Archibald, R. M. Schoch, and J. K. Rigby, Jr. 1983. A new subfamily, Conacodontinae, and new species, Conacodon kohlbergeri, of the Periptychidae (Condylarthra, Mammalia). Postilla 191:1-24 [J. Alroy/J. Alroy/J. Ju]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 218648: authorized by Philip Mannion, entered by Philip Mannion on 24.02.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
between W- and Y-Coals: Swisher et al. 1993
W-Coal dated at 64.11 +/- 0.02 Ma AA, which seems to be a useable estimate because the fauna is in a deep channel that cuts into the underlying Y-Coal. Reported to be Pu2-3 by Clemens (2006).
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Oxyacodon ferronensis Archibald et al. 1983 condylarth | |
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