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 | |
Monogonoceras magnisiphonatum Ulrich et al. 1944 |