about 5 miles south of Mansfield on the road to Ava (Ordovician of the United States)

Where: Douglas County, Missouri (37.1° N, 92.6° W: paleocoordinates 22.8° S, 82.4° W)

• coordinate based on nearby landmark

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

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 189313: authorized by Björn Kröger, entered by Björn Kröger on 10.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ellesmerocerida - Ellesmeroceratidae
Burenoceras ungulatum Ulrich et al. 1943
Burenoceras undosum Ulrich et al. 1943