ammonites
Johnson's Falls, near Strykersville (Devonian of the United States)

Where: Wyoming County, New York (42.7° N, 78.5° W: paleocoordinates 30.3° S, 26.6° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Gowanda Shale Formation (Canadaway Group), Early/Lower Famennian (376.1 - 370.6 Ma)

• Early Famennian, Early Nehdenian, UD II-C

• formation-level stratigraphic resolution

Environment/lithology: marine; sandy shale

• outer shelf.
• dark sandy shale

Reposited in the YPM

Primary reference: J. M. Clarke. 1904. Naples fauna in western New York, pt. 2. New York State Museum Memoirs 6:199-454 [P. Wagner/P. Wagner] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84652: authorized by Pete Wagner, entered by Pete Wagner on 05.11.2008