Where: Wyoming (43.2° N, 109.2° W: paleocoordinates 14.5° N, 31.5° W)
• coordinate estimated from map
• 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.
• bed-level stratigraphic resolution
Environment/lithology: marine; lime mudstone and calcareous grainstone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the AMNH
• University of Washington Museum
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 61937: authorized by Pete Wagner, entered by Pete Wagner on 08.07.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Strobeus primogenius Conrad 1835 snail
Strobeus cf. intercalaris Meek and Worthen 1860 snail | |
Apachella capertoni Beede 1907 snail | |
Euphemites fremontensis Kulas and Batten 1997 snail | |
"Goniasma cf. geminocarinata" = Donaldospira geminocarinata
"Goniasma cf. geminocarinata" = Donaldospira geminocarinata Chronic 1952 snail |