Where: Jefferson County, Tennessee (36.1° N, 83.5° W: paleocoordinates 29.8° S, 79.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chepultepec Formation, Skullrockian to Skullrockian (487.5 - 478.6 Ma)
• formation-level stratigraphic resolution
Environment/lithology: lithified dolomite
Size classes: macrofossils, mesofossils
Preservation: recrystallized, original aragonite
Primary reference: E. O. Ulrich, A. F. Foerste, and A.K. Miller. 1943. Ozarkian and Canadian cephalopods. Part II, Brevicones. Geological Society of America Special Papers 49:1-240 [P. Wagner/P. Wagner/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 189363: authorized by Björn Kröger, entered by Björn Kröger on 13.10.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Ectenoceras millsi Ulrich et al. 1943 |