466-h. Asbury Ridge in the town of Genoa (Ordovician of the United States)

Where: Vernon County, Wisconsin (43.5° N, 91.2° W: paleocoordinates 21.1° S, 75.5° W)

• coordinate estimated from map

When: Rossodus manitouensis conodont zone, Oneota Dolomite Formation, Tremadocian (485.4 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: dolomite

Size classes: macrofossils, mesofossils

Preservation: recrystallized, original aragonite

Collected by E. O. Ulrich in 8/30/1924; reposited in the USNM

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 189290: authorized by Björn Kröger, entered by Björn Kröger on 09.10.2017, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Ophiletidae
Ophileta supraplana Ulrich et al. 1931 snail
Wagner Research Notes Summer 1991 Smithsonian
 Eogastropoda - Sinuopeidae
Gasconadia putilla Sardeson 1896 snail
Wagner Research Notes Summer 1991 Smithsonian
Cephalopoda
 Ellesmerocerida - Ellesmeroceratidae
Clarkoceras calvini Ulrich et al. 1943
Clarkoceras luthei Calvin 1892
Buehleroceras compressum Ulrich et al. 1943
Burenoceras curticei Ulrich et al. 1943
Burenoceras minor Ulrich et al. 1943
Levisoceras constrictum Ulrich et al. 1943
Levisoceras edwardsi Ulrich et al. 1943
Eremoceras teres Ulrich et al. 1943
Eremoceras vernonense Ulrich et al. 1943
 Endocerida - Cyrtendoceratidae
Ectenoceras obliquum Ulrich et al. 1943