Where: Montana (45.6° N, 112.9° W: paleocoordinates 16.2° N, 33.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Dinwoody Formation, Griesbachian (252.2 - 251.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Preservation: mold/impression
Primary reference: N. D. Newell and B. Kummel. 1942. Lower Eo-Triassic stratigraphy, Western Wyoming and Southeast Idaho. Bulletin of the Geological Society of America 53:937-996 [A. Dunhill/B. Allen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 203172: authorized by Alex Dunhill, entered by Bethany Allen on 05.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
| |
Rhynchonellata | |
"Terebratula margaritowi" = Bittnerithyris margaritovi
"Terebratula margaritowi" = Bittnerithyris margaritovi Bittner 1899 |