Where: Wyoming (43.2° N, 109.2° W: paleocoordinates 14.5° N, 31.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Franson Member (Park City Formation), Wuchiapingian (259.9 - 254.2 Ma)
• Basal beds. 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 61936: authorized by Pete Wagner, entered by Pete Wagner on 08.07.2006, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
Virgaspongiella ramosa n. gen. n. sp.2 Rigby and Boyd 2004 demosponge 4 well preserved, 5 probable but with skeletal structure destroyed
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Strophomenata | |
Sphenalosia sp.2 Muir-Wood and Cooper 1960 | |
Gastropoda | |
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"Pseudozygopleura (Pseudozygopleura) croneisi" = Pseudozygopleura croneisi1
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"Goniasma cf. geminocarinata" = Donaldospira geminocarinata1, "Stegocoelia (? Hypergonia) sp." = Hypergonia1
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Soleniscidae indet.1, Strobeus cf. intercalaris1, Strobeus cf. paludinaeformis1, Soleniscus typicus1, Strobeus primogenius1
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"Glabrocingulum (Glabrocingulum) texanum" = Glabrocingulum texanum1, "Glabrocingulum (Glabrocingulum) coronatum" = Glabrocingulum coronatum1, ? Apachella pseudostrigillata1, Apachella turbiniformis1, Apachella capertoni1
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