ammonites
USGS 5015-CO. Mitchellsburg Road, south of Perryville (Ordovician of the United States)

Where: Boyle County, Kentucky (37.6° N, 84.9° W: paleocoordinates 27.4° S, 63.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Belodina confluens conodont zone, Perryville Limestone Member (Lexington Limestone Formation), Shermanian (460.9 - 449.5 Ma)

• Measured from the base of the Salvisa Bed; Section No. 30B

• bed-level stratigraphic resolution

Environment/lithology: lithified, burrowed, brown, gray limestone

• "10 to 15 ft of interbedded light-gray to light-olive-gray micritic limestone and brownish-gray micritic limestone"

Size classes: macrofossils, mesofossils

Primary reference: G.P. Wahlman. 1992. Middle and Upper Ordovician symmetrical univalved molluscs (Monoplacophora and Bellerophontina) of the Cincinnati Arch region. United States Geological Survey Professional Paper 1066(O):1-123 [P. Wagner/P. Wagner/P. Wagner] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 99334: authorized by Pete Wagner, entered by Hallie Street on 08.11.2010