Where: Montana (44.7° N, 112.8° W: paleocoordinates 15.4° N, 34.3° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Dinwoody Formation, Griesbachian (251.9 - 250.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, shelly/skeletal limestone
Size class: macrofossils
Preservation: mold/impression
Collected by R. Hofmann in 2010
• Repository: Paleontological Institute and Museum, Zurich University
Primary reference: R. Hofmann, M. Hautmann, and H. Bucher. 2013. A new paleoecological look at the Dinwoody Formation (Lower Triassic, Western USA): intrinsic versus extrinsic controls on ecosystem recovery after the end-Permian mass extinction. Journal of Paleontology 87:854-880 [M. Clapham/M. Clapham]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 150722: authorized by Matthew Clapham, entered by Matthew Clapham on 13.09.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Eumorphotis multiformis Bittner 1899 scallop
Eumorphotis amplicostata Ciriacks 1963 scallop | |
? Pteria cf. ussurica Kiparisova 1938 pearl oyster | |
Promyalina spathi Newell and Kummel 1942 clam |