Where: Wyoming (43.7° N, 109.7° W: paleocoordinates 15.1° N, 31.5° W)
• coordinate based on nearby landmark
• outcrop-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: lithified limestone
Size class: macrofossils
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 87295: authorized by Matthew Clapham, entered by Matthew Clapham on 13.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Aviculopecten cf. vanvleeti" = Heteropecten vanvleeti
"Aviculopecten cf. vanvleeti" = Heteropecten vanvleeti Beede 1902 scallop |