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 150723: authorized by Matthew Clapham, entered by Matthew Clapham on 13.09.2013

Creative Commons license: CC BY (attribution)