Where: Lincoln County, Missouri (39.2° N, 90.8° W: paleocoordinates 23.1° S, 66.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kimmswick limestone Formation, Trentonian (460.9 - 449.5 Ma)

• " [...] lower twelve feet of the Kimmswick [...] "; The Kimmswick ls. is Trentonian according to Esker, III & Levin (1964, J. Paleont. 38(4)) and Parsley & Mintz (1975, Bull. Amer. Paleont. 68).

Environment/lithology: limestone

Size class: macrofossils

Preservation: cast

Reposited in the USNM

Primary reference: R. H. Flower. 1952. New Ordovician Cephalopods from Eastern North America. Journal of Paleontology 26(1):24-59 [B. Kröger/T. Liebrecht] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89025: authorized by Björn Kröger, entered by Torsten Liebrecht on 29.04.2009