Plaxocrinus
- Phylum: Echinodermata
- Class: Crinoidea
- Order: Dendrocrinida
- Family: Pirasocrinidae
- Genus: Plaxocrinus
Species of Plaxocrinus present in the Pennsylvanian of the American Midcontinent
Geological Range
Desmoinesian to Virgilian; Extinct.
Paleogeographic Distribution
Texas to Missouri.
Stratigraphic Occurrences
- Virgilian
- Auburn Shale (OK)
- Lawrence Formation (Haskell Limestone Member) (KS)
- Oread Limestone (KS)
- Stranger Formation (Vinland Shale Member) (KS)
- Missourian
- Dennis Limestone (Winterset Limestone Member) (KS)
- Dennis Limestone (Winterset Limestone Member) (OK)
- Graford Formation (TX)
- Iola Limestone (Avant Limestone Member) (OK)
- Iola Limestone (Raytown Limestone Member) (KS)
- Ochelata Formation (OK)
- Plattsburg Limestone (KS)
- Plattsburg Limestone (Hickory Creek Shale Member) (KS)
- Plattsburg Limestone (Merriam Limestone Member) (KS)
- Stanton Limestone (OK, KS)
- Stanton Limestone (Captain Creek Limestone Member) (KS)
- Stanton Limestone (Stoner Limestone Member) (KS)
- Wyandotte Limestone (MO)
- Desmoinesian
- Altamont Limestone (OK)
- Oologah Limestone (OK)
