†Arkacrinus constrictus Moore and Strimple 1973 (Sea lily)
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Crinoidea - Dendrocrinida - Arkacrinidae
Full 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
Belongs to Arkacrinus according to R. C. Moore and H. L. Strimple 1973
Sister taxon: Arkacrinus dubius
Type specimen: SUI 33182 (dorsal cup). Its type locality is Flat Rock Creek (Loc. 10), which is in a Morrowan marine limestone/shale in the Bloyd Formation of Oklahoma.
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution: found only at Flat Rock Creek (Loc. 10)
Specimen images are retrieved through the ePANDDA API.
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