Greasy Creek about 1 1/2 mile east of Buffalo (Ordovician to of the United States)

Where: Dallas County, Missouri (37.6° N, 93.1° W: paleocoordinates 22.4° S, 80.5° W)

• coordinate based on nearby landmark

When: Jefferson City Formation, Tulean to Tulean (485.4 - 471.8 Ma)

• "Eopteria Zone"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: cast, original aragonite, replaced with calcite

Primary reference: E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1942. Ozarkian and Canadian cephalopods, Part I: Nautilicones. Geological Society of America Special Papers 37:1-157 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98451: authorized by Björn Kröger, entered by Björn Kröger on 07.10.2010, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

 Conocardiida - Eopteriidae
Eopteria richardsoni2 Billings 1865
 Ellesmerocerida - Ellesmeroceratidae
Cumberloceras elwayense1 Ulrich et al. 1943
 Endocerida - Proterocameroceratidae
Mcqueenoceras jeffersonense1 Ulrich and Foerste 1936
 Tarphycerida - Estonioceratidae
Pycnoceras clausum Ulrich et al. 1942