USGS 4959-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, 84.8° W: paleocoordinates 27.2° S, 63.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Plectodina tenuis conodont zone, Grier Member (Lexington Formation), Shermanian (460.9 - 449.5 Ma)

• above base of Curdsville formation; Section No. 176

• 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 77357: authorized by Pete Wagner, entered by Pete Wagner on 09.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Lichida - Lichidae
Platylichas halli2 trilobite
53590
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina sp.1 Hall and Clarke 1892
50 specimens
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp.1 Hall 1862
250 specimens.
 Rhynchonellida - Rhynchotrematidae
Rhynchotrema increbescens1 Hall 1847
250 specimens
 Orthida - Plectorthidae
Hebertella frankfortensis1 James 1871
10 specimens
Lingulata
 Lingulida - Obolidae
? Lingulella sp.1 Salter 1866
4 specimens
Bivalvia
 Cyrtodontida - Cyrtodontidae
Vanuxemia gibbosa1 clam
7 valves and many fragments
Cyrtodonta subovata1 clam
12 valves and many fragments
 Myalinida - Ambonychiidae
Ambonychia sp.1 Hall 1847 clam
5 valves
 Protobranchia - Ctenodontidae
Ctenodonta aff. logani1 Salter 1859 clam
9 valves.
Gastropoda
 Bellerophontida - Bellerophontidae
Bucanopsis carinifera3 Ulrich and Scofield 1897 snail
Sphenosphaera troosti3 de Ferrusac and d'Orbigny 1840 snail
 Bellerophontida - Bucaniidae
"Bucania nashvillensis" = Loxobucania nashvillensis3
"Bucania nashvillensis" = Loxobucania nashvillensis3 Ulrich and Scofield 1897 snail
 Bellerophontida - Pterothecidae
Carinaropsis cymbula3 Hall 1861 snail
Tergomya
 Archinacellida - Archinacellidae
Archinacella simulatrix3 Ulrich and Scofield 1897
Scaphopoda
 Dentaliida - Laevidentaliidae
Rhytiodentalium kentuckyensis1 tusk shell
8 specimens
Polyplacophora
 Neoloricata - Lepidopleuridae
Helminthochiton blacki1 chiton
intermediate plates.