about 8 miles south of Chadwick (Ordovician of the United States)

Where: Christian County, Missouri (36.9° N, 93.1° W)

• Paleocoordinates: 12.8° N, 109.5° W (Wright 2013)

• coordinate based on nearby landmark

When: Jefferson City Dolomite Formation, Tremadocian (486.9 - 477.1 Ma)

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 189390: authorized by Björn Kröger, entered by Björn Kröger on 16.10.2017

Creative Commons license: CC0 (CC0)

Taxonomic list

Cephalopoda
 Endocerida - Proterocameroceratidae
Mcqueenoceras jeffersonense Ulrich and Foerste 1936