Where: Wyoming (41.8° N, 107.4° W: paleocoordinates 48.5° N, 75.7° W)

When: Lewis shale Formation, Campanian (83.6 - 72.1 Ma)

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

• one specimen, "carapace reaches a length of 19 millimeters" (T. subquadratus);

Reposited in the USNM

• one specimen, Cat. No. 73716 (T. subquadratus);

Primary reference: M. J. Rathbun. 1935. Fossil Crustacea of the Atlantic and Gulf Coastal Plain. Geological Society of America Special Paper (2)1-160 [C. Schweitzer/S. Yost]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 142404: authorized by Carrie Schweitzer, entered by Samantha Yost on 11.04.2013

Creative Commons license: CC BY (attribution)