Where: Frederick County, Maryland (39.6° N, 77.3° W: paleocoordinates 32.0° S, 73.3° W)

• coordinate based on nearby landmark

When: Tremadocian (485.4 - 477.7 Ma)

• Upper Ozarkian in northern wall of a quarry near Le Gore

Environment/lithology: marine; lithology not reported

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 101018: authorized by Björn Kröger, entered by Björn Kröger on 15.12.2010

Creative Commons license: CC BY (attribution)