Stenopecrinus fornuosusOU 3974; Crinoid; Upper Carboniferous (Pennsylvanian); Chanute Formation; Osage County, Oklahoma; CC BY-NC-ND 4.0
Anobasicrinus balbosusOU 4030 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0
Paianocrinus aptusOU 4168; Crinoid; Lower Carboniferous (Mississippian); Pitkin Formation; Muskogee County, Oklahoma; CC BY-NC-ND 4.0
Texacrinus californiusOU 4093 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0
Agalacrinus magnusOU 4093 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0
Corythocrinus undulatusOU 4169 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0