ammonites
Plum Brook Shale, Zone B (Devonian of the United States)

Where: Ohio (41.0° N, 83.0° W: paleocoordinates 37.6° S, 30.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Plum Brook Shale Formation, Givetian (388.1 - 383.7 Ma)

• Local series listed as Hamilton

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray, blue, argillaceous limestone and poorly lithified shale

• Formation is predominantly shale
• Hard, blue-gray, argillaceous limestone within shale

Size classes: macrofossils, mesofossils

Collection methods: 6-8 inch thick zone

Primary reference: E.C. Stumm. 1942. Fauna and stratigraphic relations of the Prout Limestone and Plum Brook Shale of northern Ohio. Journal of Paleontology 16:549-563 [P. Novack-Gottshall/P. Hearn] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 76557: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 23.11.2007