Where: Washington County, Utah (37.1° N, 113.8° W: paleocoordinates 8.1° N, 39.5° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Virgin Member (Moenkopi Formation), Spathian (251.3 - 247.2 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lithified, red claystone
Size class: macrofossils
Preservation: mold/impression
Reposited in the USNM
Collection methods: surface (in situ),
Primary reference: M. Hautmann, A. B. Smith, A. J. McGowan and H. Bucher. 2013. Bivalves from the Olenekian (Early Triassic) of south-western Utah: systematics and evolutionary significance. Journal of Systematic Palaeontology 11:263-293 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 141586: authorized by Matthew Clapham, entered by Matthew Clapham on 29.03.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Promyalina putiatinensis Kiparisova 1938 clam | |
Bakevellia costata Schlotheim 1820 oyster | |
? Parallelodon aff. beyrichii Strombeck 1849 clam | |
Permophorus triassicus Newell and Boyd 1999 clam
Myoconcha cf. plana Kiparisova 1938 clam | |
Trigonodus cf. orientalis Bittner 1899 clam |