Where: Wyoming (42.7° N, 108.7° W: paleocoordinates 12.1° N, 32.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Hindeodus parvus conodont zone, Dinwoody Formation, Griesbachian (251.9 - 250.5 Ma)
• 8 cm-thick bed limestone, 4 m above the top of the Permian Ervay Member. Assigned to isarcica zone, but using broad conception of isarcica that encompassed H. parvus. H. parvus zone according to Paull & Paull (1994).
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, dolomitic, shelly/skeletal, gray, yellow packstone
Size class: macrofossils
Preservation: mold/impression
Collected by Donald Boyd in 1983; reposited in the USNM
Primary reference: E. L. Yochelson, D. W. Boyd, and B. R. Wardlaw. 1985. Redescription of Bellerophon bittneri (Gastropoda: Triassic) from Wyoming. Contributions to Geology, University of Wyoming 23:99-104 [M. Clapham/M. Clapham/O. Alfaro]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 121326: authorized by Matthew Clapham, entered by Matthew Clapham on 02.12.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
? Permophorus sp. Chavan 1954 clam | |
Unionites sp. Wissman 1841 clam | |
Promyalina sp. Kittl 1903 clam | |
Gastropoda | |
"Bellerophon bittneri n. sp." = Retispira bittneri
"Bellerophon bittneri n. sp." = Retispira bittneri Newell and Kummel 1942 snail |