Grier Ls Mbr, Lexington Ls, KY, sec 89, Tyrone A - Patzkowsky (Ordovician to of the United States)
Where: Kentucky (37.6° N, 84.8° W: paleocoordinates 27.6° S, 64.6° W)
• coordinate based on political unit
When: Grier Ls Member (Lexington Ls Formation), Middle Ordovician to Middle Ordovician (470.0 - 443.8 Ma)
• EZ 3
Environment/lithology: lithified limestone and shale
• thin and planar-bedded calcisiltite and shale; well preserved fauna
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
PaleoDB collection 10746: authorized by Mark Patzkowsky, entered by Zack Krug on 18.06.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Strophomenata | |
|
Rafinesquina sp. Hall and Clarke 1892 | |
| Rhynchonellata | |
|
Hebertella sp. Hall and Clarke 1892 | |
|
Heterorthina sp. Bancroft 1928 | |
|
Zygospira sp. Hall 1862 | |