Species of Utharocrinus present in the Pennsylvanian of the American Midcontinent
Morrowan to Missourian; Extinct.
Arkansas to Missouri.
- Iola Limestone (KS)
- Iola Limestone (Raytown Limestone Member) (KS)
- Stanton Limestone (OK, KS)
- Stanton Limestone (Stoner Limestone Member) (KS)
- Wyandotte Limestone (MO)
- Wyandotte Limestone (Farley Limestone or Argentine Limestone Member) (KS)
- Oologah Limestone (OK)
- Bloyd Shale (Brentwood Limestone Member) (AR)