about 2miles NE of North Birmingham (Ordovician to of the United States)

Where: Jefferson County, Alabama (33.6° N, 86.8° W: paleocoordinates 28.6° S, 83.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chepultepec Formation, Skullrockian to Skullrockian (485.4 - 478.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: dolomite

Size class: macrofossils

Preservation: replaced with silica

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 189370: authorized by Björn Kröger, entered by Björn Kröger on 13.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ellesmerocerida - Ellesmeroceratidae
Levisoceras instabile Ulrich et al. 1943