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
Sister taxa: none
Type specimen: SUI 33172 (dorsal cup). Its type locality is Keough Quarry (Station 296), which is in a Morrowan marine limestone in the Morrow Formation of Oklahoma.
Ecology: stationary intermediate-level epifaunal suspension feeder
Average measurements (in mm): dorsal cup 5.00 x 13.00