Where: Montana (47.9° N, 110.5° W: paleocoordinates 51.8° N, 72.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kevin Member (Marias River Shale Formation), Early/Lower Coniacian (89.3 - 85.8 Ma)

• STRATIGRAPHIC RELATIONS: From the Kevin Mbr of the Marias River Shale, for which lithostratigraphic relations are not discussed. AGE: Early Coniacian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text. REPOSITORY: Not stated in text.

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 88026: authorized by Austin Hendy, entered by Austin Hendy on 30.03.2009

Creative Commons license: CC BY (attribution)