Ulrich Loc. 261-n1. Jerktail mine, head of tributary of Thompson Creek (Cambrian of the United States)

Also known as 6 miles due northeast of Eminence

Where: Shannon County, Missouri (37.2° N, 91.3° W: paleocoordinates 22.6° S, 87.2° W)

• outcrop-level geographic resolution

When: Rasettia magna trilobite zone, Eminence Formation, Trempealeauan (492.5 - 485.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: dolomite

Size classes: macrofossils, mesofossils

Preservation: cast

Collected by E.O. Ulrich & Lee in 1912; reposited in the USNM

Primary reference: J., J.r. Pojeta, M. J. Vendrasco, and G. Darrough. 2010. Upper Cambrian chitons (Mollusca, Polyplacophora) from Missouri, USA. Bulletins of American Paleontology (379)1-182 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98341: authorized by Pete Wagner, entered by Pete Wagner on 01.10.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Polyplacophora
 Paleoloricata - Preacanthochitonidae
"Preacanthochiton productus" = Listrochiton productus
"Preacanthochiton productus" = Listrochiton productus Bergenhayn 1960 chiton