ammonites
between Fish Creek and Mud Creek (Cretaceous of the United States)

Where: Golden Valley County, Montana (46.3° N, 109.3° W: paleocoordinates 53.4° N, 76.3° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Bearpaw Shale Formation, Campanian (83.5 - 70.6 Ma)

• considered Belly River equivalent, but called the "Fish Creek Beds"

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; poorly lithified, sandy claystone and lithified, concretionary sandstone

• "fresh or brackish water"

Size classes: macrofossils, mesofossils

Preservation: concretion

Collected by E. Douglass in 1902

Primary reference: E. Douglass. 1902. A Cretaceous and lower Tertiary section in south central Montana. Proceedings of the American Philosophical Society 41(170):207-224 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 62723: authorized by Matt Carrano, entered by Matt Carrano on 26.07.2006

Creative Commons license: CC BY (attribution)