Where: Jessamine County, Kentucky (37.8° N, 84.5° W: paleocoordinates 27.5° S, 63.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Plectodina tenuis conodont zone, Grier Member (Lexington Formation), Shermanian (457.3 - 449.6 Ma)
• Local section no. 180
• bed-level stratigraphic resolution
Environment/lithology: lithified limestone
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 77148: authorized by Pete Wagner, entered by Pete Wagner on 21.12.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
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Strophomenata | |
Pionomena recens1 Neuman 1967 | |
Tergomya | |
"Cyrtolites (Cyrtolites) retrorsus" = Cyrtolites retrorsus4
"Cyrtolites (Cyrtolites) retrorsus" = Cyrtolites retrorsus4 Ulrich and Scofield 1897 | |
Gastropoda | |
"Sphenosphaera clausus" = Sphenosphaera rogersensis4
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"Tropidodiscus subacutus" = Alaskadiscus subacutus4
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