Where: Wheatland County, Montana (46.3° N, 109.5° W: paleocoordinates 53.4° N, 76.5° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Judith River Formation, Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the ANSP

Primary reference: J. D. Gardner, A. P. Russell, and D. B. Brinkman. 1995. Systematics and taxonomy of soft-shelled turtles (Family Trionychidae) from the Judith River Group (mid-Campanian) of North America. Canadian Journal of Earth Science 32:631-643 [J. Alroy/M. Sommers/D. Nicholson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177026: authorized by Patricia Holroyd, entered by Patricia Holroyd on 16.03.2016

Creative Commons license: CC BY (attribution)