near the head of Mill Creek (Ordovician of the United States)

Where: Carter County, Missouri (37.0° N, 91.1° W: paleocoordinates 23.9° S, 81.9° W)

• coordinate based on nearby landmark

When: Gasconade Dolomite Formation, Tremadocian (485.4 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: 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 189341: authorized by Björn Kröger, entered by Björn Kröger on 12.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ellesmerocerida - Ellesmeroceratidae
Clarkoceras multicameratum Ulrich et al. 1943