Gros Ventre Canyon, Claraia Zone, Teton County (Triassic of the United States)

Where: Wyoming (43.6° N, 110.6° W: paleocoordinates 13.7° N, 33.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dinwoody Formation, Griesbachian (251.9 - 250.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: mold/impression

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 105378: authorized by Matthew Clapham, entered by Matthew Clapham on 20.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Tindariidae
Austrotindaria antiqua1
Austrotindaria antiqua1 Foster et al. 2017 clam
 Myalinida - Myalinidae
"Promyalina putiatensis" = Promyalina putiatinensis
"Promyalina putiatensis" = Promyalina putiatinensis Kiparisova 1938 clam
 Pectinida - Claraiidae
? Claraia sp., Claraia mulleri n. sp.
? Claraia sp. Bittner 1901 scallop
Claraia mulleri n. sp. Newell and Kummel 1942 scallop
 Ostreida - Bakevelliidae
Gervilleia cf. ussurica
Gervilleia cf. ussurica Kiparisova 1938 oyster
 Cardiida - Anthracosiidae
? Unionites sp., Unionites canalensis, Unionites fassaensis2
? Unionites sp. Wissman 1841 clam
Unionites canalensis Catullo 1847 clam
Unionites fassaensis2 Wissmann 1841 clam
 Trigoniida - Myophoriidae
"Myophoria laevigata" = Neoschizodus laevigatus
"Myophoria laevigata" = Neoschizodus laevigatus Ziethen 1830 clam
1Foster et al. 2017; 2Hofmann et al. 2013