Bighorn Formation Cephalopods, Wyoming (Ordovician of the United States)
Where: Wyoming (44.0° N, 109.0° W: paleocoordinates 9.2° S, 69.2° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Bighorn Formation, Late/Upper Ordovician (460.9 - 443.7 Ma)
• formation-level stratigraphic resolution
Environment/lithology: dolomite and sandstone
• Environmental call by T. Hanson.
Size class: macrofossils
Primary reference: A. K. Miller, W. Youngquist, and C. Collinson. 1954. Ordovician cephalopod fauna of Baffin Island. Geological Society of America Memoir 62:1-234 [S. Holland/T. Hanson/T. Hanson] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 24167: authorized by Steven Holland, entered by Tori Hanson on 01.08.2002