Where: Kentucky (37.9° N, 83.6° W: paleocoordinates 25.9° S, 32.2° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Nada Member (Borden Formation), Tournaisian (358.9 - 346.7 Ma)
• Nada can be no older than Tn3b and is probably Tn3c (uppermost Tournasian)
• group of beds-level stratigraphic resolution
Environment/lithology: prodelta; lithified, green shale and lithified, silty mudstone
Reposited in the OSU
Primary reference: K.G. Lee, W. I. Ausich, and T.W. Kammer. 2005. Crinoids from the Nada Member of the Borden Formation (Lower Mississippian) in eastern Kentucky. Journal of Paleontology 79(2):337-355 [S. Peters/S. Peters]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 65690: authorized by Shanan Peters, entered by Shanan Peters on 24.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Actinocrinites eximius Sea lily |