Wilson's quarry near Madison (Ordovician of the United States)

Where: Dane County, Wisconsin (43.1° N, 89.4° W: paleocoordinates 22.5° S, 75.3° W)

• coordinate estimated from map

When: Oneota Dolomite Formation, Tremadocian (485.4 - 477.7 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 189393: authorized by Björn Kröger, entered by Björn Kröger on 16.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ellesmerocerida - Ellesmeroceratidae
Oneotoceras extremum Ulrich et al. 1943
Oneotoceras madisonense Ulrich et al. 1943