Where: Montana (44.8° N, 112.3° W: paleocoordinates 15.2° N, 33.9° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Dinwoody Formation, Griesbachian (251.9 - 250.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: mold/impression
Primary reference: M. Fraiser. 2005. When Bivalves Took Over the World: Global Paleoecology of Bivalves During the Aftermath of the End-Permian Mass Extinction. [D. Bottjer/N. Bonuso/N. Bonuso]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 44495: authorized by David Bottjer, entered by Nicole Bonuso on 13.09.2004, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
| |
Unionites sp. Wissman 1841 clam | |
Neoschizodus sp. Giebel 1855 clam | |
Promyalina sp. Kittl 1903 clam | |
Gervilleia cf. ussurica Kiparisova 1938 oyster | |
Eumorphotis sp. Bittner 1901 scallop | |
Claraia sp. Bittner 1901 scallop | |
Lingulata | |
Lingularia sp. Biernat and Emig 1993 |