ammonites
Bowden quarry (Ordovician of the United States)

Where: Shelby County, Alabama (33.1° N, 86.8° W: paleocoordinates 28.7° S, 84.8° W)

• coordinate stated in text

When: Newala Formation, Tremadocian (488.3 - 478.6 Ma)

Environment/lithology: shallow subtidal; peloidal limestone and dolomite

Size class: macrofossils

Preservation: original aragonite, replaced with calcite

Primary reference: E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1944. Ozarkian and Canadian cephalopods, longicones and summary. Geological Society of America Special Paper 58:1-226 [P. Wagner/P. Wagner/B. Kröger] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101020: authorized by Björn Kröger, entered by Björn Kröger on 15.12.2010