Also known as Cressman Section 174; Tyrone C section (Frey, 1995)
Where: Woodford 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, Logana Member (Lexington Formation), Shermanian (457.3 - 449.6 Ma)
• A. confluens zone
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; limestone and shale
•Sequence stratigraphy is according to McLaughlin et al. (2004, Palaeogeogr. Palaeoclimat. Palaeoecol., 210)
Size class: macrofossils
Preservation: replaced with silica
Reposited in the USNM
Collection methods: bulk, acetic,
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 77144: authorized by Pete Wagner, entered by Pete Wagner on 21.12.2007, edited by Torsten Liebrecht
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
| |
Gastropoda | |
| |
Tergomya | |
Cyrtolites retrorsus2 Ulrich and Scofield 1897 |