Section F, Arbuckle Mountains, 0.3 (Ordovician of the United States)

Where: Pontotoc County, Oklahoma (34.0° N, 97.0° W: paleocoordinates 22.6° S, 71.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Welling Formation, Katian (453.0 - 445.2 Ma)

• Given as Viola; however, Alberstadt's Unit Three is now the Welling formation

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; calcareous limestone

• Coarse skeletal calcarenite, light-gray, slightly wavy-bedded, massive.

Size class: microfossils

Primary reference: W.C. Sweet. 1983. Upper Bromide Formation and Viola Group (Middle and Upper Ordovician) in Eastern Oklahoma - Part II - Conodont Biostratigraphy of Fite Formation. Oklahoma Geological Survey 132 [E. Jarochowska/E. Andres]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 212775: authorized by Emilia Jarochowska, entered by Elizabeth Andres on 20.08.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

• Conodonts only.
Show authors, comments, and common names
Conodonta
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus
Drepanoistodus suberectus Branson and Mehl 1933 conodont
 Prioniodontida - Balognathidae
Rhodesognathus elegans, ? Amorphognathus tvaerensis
Rhodesognathus elegans Rhodes 1953 conodont
 Prioniodontida -
Phragmodus undatus
 Panderodontida - Panderodontidae
Panderodus panderi, Belodina confluens
Panderodus panderi Stauffer 1940 conodont
Belodina confluens Sweet 1979 conodont