Where: Lincoln County, Wyoming (41.9° N, 110.9° W: paleocoordinates 33.8° N, 51.2° W)
• coordinate estimated from map
When: Sliderock Member (Twin Creek Limestone Formation), Bajocian (170.3 - 168.3 Ma)
• From near top of member.
Environment/lithology: marine; limestone
Size class: macrofossils
Collected by R.W. Imlay in 1947; 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 167096: authorized by Steven Holland, entered by Pedro Monarrez on 07.03.2015, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
? Eocephalites sp. Imlay 1967 ammonite | |
Eutrephoceras sp. Hyatt 1894 nautiloid |