Where: Teton County, Wyoming (43.2° N, 110.8° W: paleocoordinates 36.5° N, 52.4° W)
• coordinate estimated from map
When: Leeds Creek Member (Twin Creek Limestone Formation), Callovian (166.1 - 163.5 Ma)
• About 70 ft above base.
Environment/lithology: marine; limestone
Size class: macrofossils
Collected by R. W. Imlay in 1964; 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 167286: authorized by Steven Holland, entered by Pedro Monarrez on 10.03.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
? Cadoceras sp. ammonite |