Where: Wyoming (43.5° N, 110.9° W: paleocoordinates 15.5° N, 32.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Franson Member (Park City Formation), Wuchiapingian (259.9 - 254.2 Ma)
• Basal Franson Member. 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.
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the AMNH
Primary reference: N. D. Newell and D.W. Boyd. 1995. Pectinoid bivalves of the Permian-Triassic crisis. Bulletin of the American Museum of Natural History 227:1-95 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 82181: authorized by Matthew Clapham, entered by Matthew Clapham on 24.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Pseudozygopleura (Pseudozygopleura) cf. inornata" = Levizygopleura inornata
"Pseudozygopleura (Pseudozygopleura) cf. inornata" = Levizygopleura inornata Knight 1930 snail | |
"Platyceras (Platyceras) yochelsoni" = Platyceras yochelsoni
"Platyceras (Platyceras) yochelsoni" = Platyceras yochelsoni Kulas and Batten 1997 snail | |
Mourlonia sp. de Koninck 1883 snail |