Grier Mbr. (Cane Run Bed), Lexington Limestone, Kentucky (Ordovician of the United States)

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

• coordinate estimated from map

• basin-level geographic resolution

When: Cane Run Bed Member (Lexington Limestone Formation), Chatfieldian (460.9 - 449.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified, cherty/siliceous lime mudstone

• environmental call based on field notes of Holland and Patzkowsky

Size class: macrofossils

Preservation: original calcite

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 34548: authorized by Steven Holland, entered by Steven Holland on 09.09.2003, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Ambonychiidae
Ambonychia sp. Hall 1847 clam
 Modiomorphida - Modiomorphidae
Colpomya faba Hall 1847 clam
 Nuculida - Praenuculidae
Similodonta sp. Soot-Ryen 1964 clam
Gastropoda
 Bellerophontida - Bellerophontidae
Bucanopsis carinifera Ulrich and Scofield 1897 snail
Sphenosphaera sp. Knight 1945 snail
Sphenosphaera burginensis Ulrich and Scofield 1897 snail
troosti burginensis
 Bellerophontida - Bucaniidae
Bucania sp. Hall 1847 snail
 Bellerophontida - Pterothecidae
Carinaropsis sp. Hall 1847 snail
 Murchisoniina - Eotomariidae
Liospira progne Billings 1860 snail
? Clathrospira sp. Ulrich and Scofield 1897 snail
 Murchisoniina - Lophospiridae
Paupospira burginensis Ulrich and Scofield 1897 snail
Tergomya
 Cyrtonellida - Cyrtolitidae
Cyrtolites sp. Conrad 1838
Stenolaemata
 Trepostomata - Halloporidae
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp. Hall 1862
 Orthida - Draboviidae
 Orthida - Plectorthidae
Scyphozoa
 Conulariida - Conulariidae
Conularia sp. jellyfish