Where: Utah County, Idaho (40.0° N, 111.5° W: paleocoordinates 32.0° N, 52.2° W)

• coordinate estimated from map

When: Sliderock Member (Twin Creek Limestone Formation), Bajocian (170.3 - 168.3 Ma)

• Same location as USGS Meso. Loc. 28457 except fossils Obtained from outcrop at top of the member.

Environment/lithology: marine; limestone

Size class: macrofossils

Collected by : R.W. Imlay and N.F. Sohl in 1961; reposited in the USNM

Primary reference: R. W. Imlay. 1967. Twin Creek Limestone (Jurassic) in the Western Interior of the United States. United States Geological Survey Professional Paper 540:1-105 [S. Holland/P. Monarrez]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 167128: authorized by Steven Holland, entered by Pedro Monarrez on 07.03.2015

Creative Commons license: CC BY (attribution)