Cymatospira

Geological Range

Atokan to Virgilian; Extinct.

Paleogeographic Distribution

Texas to Nebraska.

Stratigraphic Occurrences

Virgilian

Bern Limestone (Burlingame Limestone Member) (KS)

Calhoun Shale (KS)

Graham Formation (TX)

Graham Formation (Wayland Shale Member) (TX)

Graham Formation (Gunsight Limestone Member) (TX)

Graham Formation (Jacksboro Limestone Member) (TX)

Graham Formation (Finis Shale Member) (TX)

Harpersville Formation (TX)

Howard Formation (KS)

Kanwaka Shale (Stull Shale Member) (KS)

Lawrence Formation (KS)

Lawrence Formation (Haskell Limestone Member) (KS)

Oread Limestone (Heumader Shale Member) (KS)

Scranton Shale (White Cloud Shale Member) (KS)

Severy Shale (KS)

Stranger Formation (Iatan Limestone Member) (KS)

Stranger Formation (Vinland Shale Member)

Stranger Formation (Weston Shale Member) (KS)

Stranger Formation (Westphalia Limestone Member)

Topeka Limestone (KS)

Missourian

Barnsdall Formation (OK)

Brad Formation (TX)

Checkerboard Formation (KS)

Drum Limestone (KS)

Graford Formation (TX)

Graford Formation (Brownwood Shale Member) (TX)

Iola Limestone (Muncie Creek Shale Member) (OK)

Keechi Creek Formation (TX)

Stanton Limestone (Eudora Shale Member) (OK)

Stranger Formation (MO)

Stranger Formation (Iatan Limestone Member) (MO)

Wyandotte Limestone (Farley Limestone Member) (KS)

Desmoinesian

Allegheny Formation (OH)

East Mountain Shale (TX)

Labette Shale (MO)

Millsap Lake Formation (Grindstone Creek Member) (TX)

Mineral Wells Formation (TX)

Mingus Shale (TX)

Robinson Branch Formation (KS)

Salesville Shale (TX)

Wewoka Formation (OK)

Wetumka Formation (OK)

Atokan

Atoka Formation (OK)

Unknown Stage

Coal Measures (IL)

Coal Measures (NE)

Marble Falls Limestone (TX)