3.25 miles south of McGaheysville (Ordovician of the United States)

Where: Rockingham County, Virginia (38.4° N, 78.7° W: paleocoordinates 31.8° S, 75.2° W)

• coordinate based on nearby landmark

When: Longview Formation, Stairsian (485.4 - 478.6 Ma)

Environment/lithology: shallow subtidal; cherty/siliceous 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 101388: authorized by Björn Kröger, entered by Björn Kröger on 21.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Multiceratoidea - Bassleroceratidae
Monogonoceras magnisiphonatum Ulrich et al. 1944