Where: Centre County, Pennsylvania (40.8° N, 77.8° W: paleocoordinates 31.0° S, 72.4° W)

• coordinate based on nearby landmark

When: Bellefonte Formation, Demingian (485.4 - 478.6 Ma)

Environment/lithology: marine; dolomite and carbonate

Size class: macrofossils

Preservation: original aragonite, replaced with calcite

Primary reference: E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1942. Ozarkian and Canadian cephalopods, Part I: Nautilicones. Geological Society of America Special Papers 37:1-157 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99879: authorized by Björn Kröger, entered by Björn Kröger on 26.11.2010

Creative Commons license: CC BY (attribution)