Southeast side of Buckhorn Mountain (Loc. 36) (Carboniferous of the United States)

Where: Cherokee County, Oklahoma (35.6° N, 95.0° W: paleocoordinates 8.5° S, 32.5° W)

• coordinate stated in text

When: Barytichisma (coral) zone, Wapanucka Limestone Formation, Morrowan (323.2 - 318.6 Ma)

• The Morrowan Wapanucka Limestone underlies the Atoka Group (Middle Pennsylvanian)

•and overlies the Caney Shale (Upper Mississippian).

•The Morrow Formation of Sutherland & Henry, "grainstone-shale member in lower part of Morrow Formation."

Environment/lithology: marine; ooidal, sandy limestone and ferruginous, calcareous, cherty/siliceous sandstone

• strata in descending order consist of: 1) white massive limestone, oolitic in many places; 2) cherty sandy limestones and shales; 3) massive white limestone, absent in places; 4) calcareous and cherty sandstones grading into shales and into nearly pure ferruginous sandstones.

Size class: macrofossils

Collected by Moore and Strimple; Rowett and Sutherland; reposited in the OU, SUI

Primary reference: R. K. Pabian and W. J. Rushlau. 2002. Taphonomic Analysis and Systematic Descriptions of Some Late Pennsylvanian and Early Permian Crinoids from Southeastern Nebraska, Eastern Kansas and Southwestern Iowa. Nebraska Geological Survey Paper Geological Survey Papers 20:1-45 [J. Alroy/B. Mamo/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128973: authorized by John Alroy, entered by Briony Mamo on 19.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Dendrocrinida - Cromyocrinidae
Cromyocrinus grandis
Cromyocrinus grandis Mather 1915 Sea lily