UWBM C2830, Kienbaum racetrack (Miocene of the United States)

Also known as UIMM P-33, Clarkia type section

Where: Shoshone County, Idaho (47.0° N, 116.3° W: paleocoordinates 46.9° N, 111.3° W)

• coordinate estimated from map

When: Latah Formation, Barstovian (16.3 - 12.5 Ma)

• immediately below ash layer correlated with an ash from the Bully Creek Formation dated to 15.65+/- 0.07 Ma. Basalt dam the created lake is esimated to have been emplaced ~16 Ma; site interpreted as early Barstovian. Is from same section that has produced plant and fish fossils, but appears to be from a different bed.

Environment/lithology: lacustrine; claystone

• unoxidized clay and ash

Size class: macrofossils

Preservation: soft parts

Collected by North Idaho College in 2009; reposited in the UWBM

Primary reference: J. J. M. Calede, J. D. Orcutt, W. A. Kehl and B. D. Richards. 2018. The first tetrapod from the mid-Miocene Clarkia lagerstatte. PeerJ 6(e4880) [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 193968: authorized by Patricia Holroyd, entered by Patricia Holroyd on 08.06.2018, edited by John Orcutt

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Cypriniformes - Cyprinidae
Gila sp. Baird and Girard 1853 carp-like fish
 Salmoniformes - Salmonidae
Hucho sp. Guenther 1866
 Centrarchiformes - Centrarchidae
Archoplites clarki n. sp. sunfish
Mammalia
 Rodentia - Sciuridae
Sciuridae indet. Gray 1821 squirrel
UWBM 113209