

Stenopecrinus fornuosusOU 3974; Crinoid; Upper Carboniferous (Pennsylvanian); Chanute Formation; Osage County, Oklahoma; CC BY-NC-ND 4.0
Stenopecrinus fornuosus


Anobasicrinus balbosusOU 4030 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0
Anobasicrinus balbosus


Paianocrinus aptusOU 4168; Crinoid; Lower Carboniferous (Mississippian); Pitkin Formation; Muskogee County, Oklahoma; CC BY-NC-ND 4.0
Paianocrinus aptus


Texacrinus californiusOU 4093 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0
Texacrinus californius


Agalacrinus magnusOU 4093 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0
Agalacrinus magnus


Corythocrinus undulatusOU 4169 (Holotype); Crinoid; Upper Carboniferous (Pennsylvanian); Holdenville Formation; Okmulgee County, Oklahoma; CC BY-NC-ND 4.0