USGS 4956-CO. Road exposure on w. side of Kentucky River, at bridge crossing of Central Kentucky Parkway on n. side of parkway, near Salvisa (Ordovician of the United States)

Where: Anderson County, Kentucky (38.0° N, 84.6° W: paleocoordinates 27.3° S, 63.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Grier Member (Lexington Formation), Shermanian (457.3 - 449.6 Ma)

• above base of Curdsville formation

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

• shallow, well-aerated, moderately agitated water of normal salinity.
• thin and irregularly bedded to nodular-bedded, poorly sorted limestone and calcisiltite to calcarenite;

Size class: macrofossils

Preservation: original silica

Reposited in the USNM

Primary reference: E. R. Cressman. 1973. Lithostratigraphy and depositional environments of the Lexington Limestone (Ordovician) of central Kentucky. USGS Professional Paper 768:1-61 [M. Patzkowsky/M. Patzkowsky/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77356: authorized by Pete Wagner, entered by Pete Wagner on 09.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Sowerbyellidae
Sowerbyella grierensis n. sp. Howe 1979