Flat Rock Creek (Loc. 10) (Carboniferous of the United States)

Where: Wagoner County, Oklahoma (36.0° N, 95.3° W: paleocoordinates 8.1° S, 32.5° W)

• coordinate stated in text

When: Branneroceras branneri ammonoid zone, Brentwood Limestone Member (Bloyd Formation), Morrowan (323.2 - 318.6 Ma)

Environment/lithology: marine; limestone and shale

• Brentwood is 40 to 45 feet thick, the upper 25 feet consisting of fossiliferous marine limestone with thin shales and the lower 18 feet consisting of dark shale. Lithologically the limestone units are highly variable, that is, they feather out, thicken, or coalesce laterally.

Size class: macrofossils

Collected by Moore and Strimple; reposited in the SUI

Primary reference: R. C. Moore and H. L. Strimple. 1973. Lower Pennsylvanian (Morrowan) crinoids from Arkansas, Oklahoma, and Texas. University of Kansas Paleontological Contributions, Echinodermata Article 60(12):1-84 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128647: authorized by John Alroy, entered by Briony Mamo on 14.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Cladida - Diphuicrinidae
Diphuicrinus croneisi
Diphuicrinus croneisi Moore and Plummer 1938 Sea lily
 Sagenocrinida - Mespilocrinidae
Cibolocrinus tumidus
Cibolocrinus tumidus Moore and Plummer 1938 Sea lily
 Dendrocrinida - Stellarocrinidae
Heliosocrinus sp.
Heliosocrinus sp. Strimple 1951 Sea lily
 Dendrocrinida - Catacrinidae
Endelocrinus matheri
Endelocrinus matheri Moore and Plummer 1937 Sea lily
 Dendrocrinida - Arkacrinidae
Arkacrinus constrictus n. sp., Arkacrinus dubius
Arkacrinus constrictus n. sp. Moore and Strimple 1973 Sea lily
Arkacrinus dubius Mather 1915 Sea lily
 Dendrocrinida - Pirasocrinidae
Metutharocrinus cockei
Metutharocrinus cockei Moore and Strimple 1973 Sea lily