near Chepultepec (Ordovician to of the United States)

Where: Blount County, Alabama (33.9° N, 86.5° W: paleocoordinates 28.6° S, 83.3° W)

• coordinate estimated from map

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

Environment/lithology: dolomite

Size classes: macrofossils, mesofossils

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 189326: authorized by Björn Kröger, entered by Björn Kröger on 11.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ellesmerocerida - Ellesmeroceratidae
Oneotoceras percurvatum Ulrich et al. 1943
 Endocerida - Cyrtendoceratidae
Ectenoceras chepultepecense Ulrich et al. 1943