Where: Lincoln County, Wyoming (42.1° N, 110.5° W: paleocoordinates 33.9° N, 50.8° W)
• coordinate estimated from map
When: Twin Creek Limestone Formation, Bajocian (170.3 - 168.3 Ma)
• Lower part of formation, probably from Sliderock or Rich member.
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected by A.R. Schultz in 1906; 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 167149: authorized by Steven Holland, entered by Pedro Monarrez on 08.03.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
| |
Bivalvia | |
Myophorella (Haidai) yellowstonensis Imlay 1964 clam | |
Pholadomya inaequiplicata Stanton 1899 clam | |
Quenstedtia sublewis clam | |
? Corbicella sp. Morris and Lycett 1853 clam | |
"Pleuromya subcompressa" = Myacites (Pleuromya) subcompressa
"Pleuromya subcompressa" = Myacites (Pleuromya) subcompressa Meek 1873 clam |