Where: Itasca County, Minnesota (47.3° N, 93.3° W: paleocoordinates 44.3° N, 53.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Colerain Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Colerain Fm, for which lithostratigraphic relations are unclear. AGE: Late Cenomanian, on the basis of inoceramid biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Preservation: mold/impression

Collected by Conley; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: S. Conley. REPOSITORY: USNM.

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 88012: authorized by Austin Hendy, entered by Austin Hendy on 30.03.2009

Creative Commons license: CC BY (attribution)