Kerr Butte (UCMP V75196) (Paleocene of the United States)

Also known as UCMP V-75196-8; Kerr Ranch

Where: Garfield County County, Montana (47.5° N, 106.4° W: paleocoordinates 53.7° N, 81.2° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Tullock Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)

• Probably Pu3

• bed-level stratigraphic resolution

Environment/lithology: "channel"; lithified, silty sandstone

• "at the base of a 20+ ft (6.1+ m) well-indurated channel sandstone."
• From text:"well-indurated... sandstone", from table: "sis: silty sandstone or sandy siltstone"

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Collection methods: surface (float), surface (in situ), sieve

• Surface and screen-washing

Primary reference: J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 140079: authorized by Shanan Peters, entered by Deborah Weinstein on 28.02.2013, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Acreodi - Triisodontidae
Eoconodon hutchisoni1
Eoconodon hutchisoni1 Clemens 2011 placental
UCMP V-75196; m3 UCMP 156117
 Cimolesta - Cimolestidae
Puercolestes cf. simpsoni2
Puercolestes cf. simpsoni2 Reynolds 1936 eutherian
UCMP 281342
1Clemens 2011; 2Clemens 2019