Where: Cavalier County, North Dakota (48.9° N, 98.1° W: paleocoordinates 48.9° N, 59.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Carlile Shale Formation (Colorado Group), Late/Upper Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Carlise Shale, which regionally overlies the Greenhorn Fm (Turonian), and is overlain by the Niobrara Fm. AGE: Middle-Late Turonian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified claystone

Size class: macrofossils

Preservation: cast, mold/impression, concretion

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text. REPOSITORY: University of North Dakota, Grand Forks.

Primary reference: W. A. Cobban. 1983. Molluscan fossil record from the northeastern part of the Upper Cretaceous seaway, Western Interior. United States Geological Survey Professional Paper 1253:1-25 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88025: authorized by Austin Hendy, entered by Austin Hendy on 30.03.2009

Creative Commons license: CC BY (attribution)