Where: Jessamine County, Kentucky (37.9° N, 84.5° W: paleocoordinates 27.5° S, 63.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Plectodina tenuis conodont zone, Curdsville Limestone Member (Lexington Limestone Formation), Kirkfieldian (460.9 - 449.5 Ma)

• "Lower part of Curdsville Limestone Member, Lexington Limestone"

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; grainstone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, acetic,

• " [...] specimens were obtained from bulk rock collections (36,000 pounds (lbs) of limestone) made by USGS field parties in the 1960's and 1970's." This statement not only applies to the Crisman Mill Road locality. For further details on collection methods see p. P22 in the primary reference

Primary reference: R. C. Frey. 1995. Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio. U.S. Geological Survey Professional Paper 1066P:1-126 [S. Holland/S. Holland] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87823: authorized by Björn Kröger, entered by Torsten Liebrecht on 25.03.2009