CM, Cinnabar Mountain (Triassic of the United States)

Where: Montana (45.1° N, 110.8° W: paleocoordinates 15.0° N, 32.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Dinwoody Formation, Griesbachian (252.2 - 251.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified 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 150714: authorized by Matthew Clapham, entered by Matthew Clapham on 13.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Myalinidae
Promyalina spathi Newell and Kummel 1942 clam
Myalinella postcarbonica Girty 1927 clam
 Pectinida - Claraiidae
Claraia aurita Hauer 1850 scallop
 Nuculanida - Tindariidae
Austrotindaria svalbardensis Foster et al. 2017 clam
Lingulata
 Lingulida - Lingulidae
"Lingula borealis" = Lingularia borealis
"Lingula borealis" = Lingularia borealis Bittner 1899