Keel Fm. Tble 6, A, 7 (Ordovician of the United States)
Where: Pontotoc County, Oklahoma (34.7° N, 96.7° W: paleocoordinates 22.1° S, 68.0° W)
• coordinate based on nearby landmark
When: Keel Formation, Hirnantian (445.2 - 443.4 Ma)
Environment/lithology: marine; shelly/skeletal, calcareous limestone
• Keel Formation
Size class: microfossils
Primary reference: T. W. Amsden and J. E. Barrick. 1986. Late Ordovician-Early Silurian Strata in the Central United States and the Hirnantian Age. Oklahoma Geological Survey 57-68 [E. Jarochowska/E. Andres]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 212754: authorized by Emilia Jarochowska, entered by Elizabeth Andres on 19.08.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
• conodonts only
Show authors, comments, and common names
| Conodonta | |
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Walliserodus curvatus Branson and Branson 1947 conodont | |