Hypselentoma

Geological Range

Missourian to Virgilian; Extinct.

Paleogeographic Distribution

Texas to Nebraska.

Stratigraphic Occurrences

Virgilian

Calhoun Shale (KS)

Emporia Limestone (OK)

Graham Formation (Gunsight Limestone Member) (TX)

Harpersville Formation (Waldrip Shale Member) (TX)

Lawrence Formation (Haskell Limestone Member) (KS)

Oread Limestone (NE)

Oread Limestone (Leavenworth Limestone Member) (KS)

Oread Limestone (Toronto Limestone Member) (KS)

Severy Shale (KS)

Stranger Formation (Iatan Limestone Member) (KS)

Stranger Formation (Weston Shale Member) (KS)

Topeka Limestone (KS)

Topeka Limestone (Coal Creek Limestone Member) (OK)

Wood Siding Formation (Nebraska City Limestone Member) (KS)

Missourian

Bonner Springs Shale (KS)

Chanute Shale (MO)

Graford Formation (TX)

Hertha Limestone (KS)

Hertha Limestone (Critzer Limestone Member) (KS)

Iola Limestone (Muncie Creek Shale Member) (KS)

Plattsburg Limestone (KS)

Plattsburg Limestone (Merriam Limestone Member) (KS)

Stanton Limestone (KS)

Stanton Limestone (Rock Lake Shale Member) (KS)

Stanton Limestone (South Bend Limestone Member) (KS)

Stanton Limestone (Stoner Limestone Member) (KS)

Vilas Shale (KS)

Wyandotte Limestone (Argentine Limestone Member) (IA)

Wyandotte Limestone (Farley Limestone Member) (KS)

Unknown Stage

Coal Measures (IL)

Coal Measures (KS)

Coal Measures (MO)