USGS 4879-CO: between Trinity and Antioch Churches; 1 mile southwest of north end of Kentucky Rte 595 on Kentucky River (Ordovician of the United States)

Where: Jessamine County, Kentucky (37.8° N, 84.5° W: paleocoordinates 27.5° S, 63.3° W)

• coordinate based on nearby landmark

• 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

• shallow, well-aertaed, mloderately 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 77147: authorized by Pete Wagner, entered by Pete Wagner on 21.12.2007, edited by Torsten Liebrecht

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Lophospiridae
Lophospira perangulata5 Hall 1847 snail
 Murchisoniina - Eotomariidae
Clathrospira conica5 Ulrich and Scofield 1897 snail
Liospira progne5 Billings 1860 snail
 Bellerophontida - Bellerophontidae
"Sphenosphaera clausus" = Sphenosphaera rogersensis6
"Sphenosphaera clausus" = Sphenosphaera rogersensis6 Foerste 1914 snail
 Bellerophontida - Bucaniidae
Bucania sublata6 Ulrich and Scofield 1897 snail
 Bellerophontida - Pterothecidae
Carinaropsis cymbula6 Hall 1861 snail
Cephalopoda
 Oncocerida - Oncoceratidae
Oncoceras sp.1 Hall 1847
USNM 468732
Tergomya
 Cyrtonellida - Cyrtolitidae
"Cyrtolites (Cyrtolites) retrorsus" = Cyrtolites retrorsus6
"Cyrtolites (Cyrtolites) retrorsus" = Cyrtolites retrorsus6 Ulrich and Scofield 1897
Strophomenata
 Strophomenida - Glyptomenidae
Pionomena recens3 Neuman 1967
1 dorsal & 1 ventral valve
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
Trilobita
 Asaphida - Asaphidae
Isotelus gigas4 Dekay 1824 trilobite