Where: Wyoming (43.0° N, 109.0° W: paleocoordinates 14.3° N, 31.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Franson Member (Park City Formation), Wuchiapingian (259.9 - 254.2 Ma)
• Davydov et al. 2017 dated an ash bed in the upper Meade Peak Member at 260.57 ± 0.07 / 0.14 / 0.31 Ma, indicating that the Meade Peak is as young as uppermost Capitanian.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified limestone
Size class: macrofossils
Preservation: mold/impression
Primary reference: K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 105354: authorized by Matthew Clapham, entered by Matthew Clapham on 19.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Wilkingia wyomingensis Branson 1930 clam | |
Celtoides cf. unioniformis Newell 1957 clam | |
"Camptonectes sculptilis" = Eocamptonectes sculptilis
"Camptonectes sculptilis" = Eocamptonectes sculptilis Girty 1908 scallop |