Logan Butte (UCMP V-6632) ( of the United States)

Where: Crook County, Oregon (44.2° N, 120.5° W)

• Paleocoordinates: 48.7° N, 106.4° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

When: Turtle Cove Member (John Day Formation), Arikareean (29.5 - 18.5 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. M. Hunt, Jr. 1998. Ursidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:174-195 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17534: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jonathan Marcot

Creative Commons license: CC0 (CC0)

Taxonomic list

• level within standard John Day section unclear
Show authors, comments, and common names
Mammalia
 Artiodactyla - Entelodontidae
Entelodontidae indet.1
Entelodontidae indet.1 Lydekker 1883 even-toed ungulate
LACM 5414
 Carnivora - Amphicyonidae
Temnocyon altigenis2
Temnocyon altigenis2 Cope 1878 bear-dog
"from the John Day beds, Logan Butte, Crook County, Oregon, collected by Davis and Osmont, 1900"
 Carnivora - Ursidae
Ursavus "new species I"
Ursavus "new species I" Schlosser 1899 bear
said to be new
1Foss and Fremd 1998; 2Hunt 2011