Also known as Was: Keel Formation
Where: Pontotoc County, Oklahoma (34.4° N, 97.2° W: paleocoordinates 22.0° S, 68.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Ideal Quarry Member (Keel Formation), Hirnantian (445.2 - 443.4 Ma)
• Mostly from the Ideal Quarry Member.
•Was Ashgill, but Keel is Hirnantian (PJW). Also was Keel Limestone.
Environment/lithology: sand shoal; ooidal limestone
Size class: macrofossils
Primary reference: T. W. Amsden. 1974. Late Ordovician and Early Silurian articulate brachiopods from Oklahoma, southwestern Illinois, and eastern Missouri. Bulletin - Oklahoma Geological Survey 119:1-154 [J. Alroy/M. Sommers]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 55460: authorized by Mark Patzkowsky, entered by Zack Krug on 26.10.2005
Creative Commons license: CC BY (attribution)