Ulocrinus
- Phylum: Echinodermata
- Class: Crinoidea
- Order: Dendrocrinida
- Family: Cromyocrinidae
- Genus: Ulocrinus
Species of Ulocrinus present in the Pennsylvanian of the American Midcontinent
Geological Range
Desmoinesian to Virgilian; Extinct.
Paleogeographic Distribution
Texas to Missouri.
Stratigraphic Occurrences
- Virgilian
- Harpersville Formation (TX)
- Oread Limestone (Toronto Limestone Member) (KS)
- Missourian
- Dennis Limestone (OK)
- Dennis Limestone (Winterset Limestone Member) (KS)
- Iola Limestone (KS)
- Plattsburg Limestone (KS)
- Stanton Limestone (OK, KS)
- Wyandotte Formation (Argentine Limestone Member) (MO)
- Wyandotte Formation (Frisbie Limestone Member) (MO)
- Desmoinesian
- Mineral Wells Formation (TX)
- Oologah Limestone (OK)
