Where: Wyoming (43.2° N, 109.2° W: paleocoordinates 14.2° N, 31.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Ervay Member (Park City Formation), Lopingian (259.9 - 252.2 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 87153: authorized by Matthew Clapham, entered by Matthew Clapham on 08.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Myalina sinuata n. sp." = Myalina (Myalina) sinuata
"Myalina sinuata n. sp." = Myalina (Myalina) sinuata Branson 1930 clam | |
Obliquipecten sp. Hind 1903 scallop
Aviculopecten cf. kaibabensis Newell 1938 scallop | |
"Cyrtorostra varicostata n. sp." = Cyrtorostra varicostata, "Aviculopecten alternatus" = Cyrtorostra varicostata
"Cyrtorostra varicostata n. sp." = Cyrtorostra varicostata Branson 1930 scallop
"Aviculopecten alternatus" = Cyrtorostra varicostata Branson 1930 scallop | |
"Cassianella sexradiata n. sp." = Cassianoides sexcostatus, "Aviculopecten cf. vanvleeti" = Heteropecten vanvleeti
"Cassianella sexradiata n. sp." = Cassianoides sexcostatus Stuckenberg 1898 scallop
"Aviculopecten cf. vanvleeti" = Heteropecten vanvleeti Beede 1902 scallop Branson's Deltopecten occidentalis
| |
"Monotis landerensis n. sp." = Leptochondria curtocardinalis
"Monotis landerensis n. sp." = Leptochondria curtocardinalis Hall and Whitfield 1877 scallop | |
Guizhoupecten cheni Newell and Boyd 1985 scallop | |
Pleurophorus pinnaformis n. sp., "Pleurophorus pricei n. sp." = Permophorus pricei
Pleurophorus pinnaformis n. sp. Branson 1930 clam
"Pleurophorus pricei n. sp." = Permophorus pricei Branson 1930 clam | |
"Costatoria sexradiata" = Procostatoria sexradiata
"Costatoria sexradiata" = Procostatoria sexradiata Branson 1930 clam |