Where: Lincoln County, Wyoming (41.9° N, 110.9° W: paleocoordinates 33.5° N, 50.9° W)
• coordinate estimated from map
When: Rich Member (Twin Creek Limestone Formation), Late/Upper Bajocian (171.6 - 167.7 Ma)
• 38-40 ft above base of member and 210ft above base of formation
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 167187: authorized by Steven Holland, entered by Pedro Monarrez on 08.03.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Pinna kingi oyster | |
Grammatodon haguei clam | |
"Pleuromya subcompressa" = Myacites (Pleuromya) subcompressa
"Pleuromya subcompressa" = Myacites (Pleuromya) subcompressa Meek 1873 clam | |
Astarte meeki Stanton 1899 clam |