Keel Fm. Tble 6, A, 2 (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 212753: authorized by Emilia Jarochowska, entered by Elizabeth Andres on 19.08.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

• conodonts only
Conodonta
  -
 Panderodontida - Panderodontidae
? Panderodus gracilis Branson and Mehl 1933 conodont
Conodontophorida
  -
? Eocarniodus sp. Orchard 1980