Where: Kentucky (38.0° N, 84.7° W: paleocoordinates 27.3° S, 63.2° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Curdsville Limestone Member (Lexington Limestone Formation), Chatfieldian (453.8 - 451.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified, phosphatic, shelly/skeletal, sandy, cherty/siliceous grainstone and lithified, phosphatic, shelly/skeletal, sandy, cherty/siliceous packstone

Size class: macrofossils

Preservation: original calcite, replaced with silica, replaced with phosphate

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: biostratigraphic analysis

PaleoDB collection 34545: authorized by Steven Holland, entered by Steven Holland on 09.09.2003

Creative Commons license: CC BY (attribution)