Myalina

Geological Range

Morrowan to Virgilian (also Mississippian); Extinct.

Paleogeographic Distribution

Texas to Iowa.

Stratigraphic Occurrences

Virgilian

Auburn Shale (KS)

Auburn Shale (OK)

Bern Limestone (Wakarusa Limestone Member) (OK)

Calhoun Shale (KS)

Deer Creek Limestone (KS)

Deer Creek Limestone (Larsh-Burroak Shale Member) (KS)

Deer Creek Limestone (Oskaloosa Shale Member) (KS)

Deer Creek Limestone (Ozawkie Limestone Member) (KS)

Emporia Limestone (OK)

Emporia Limestone (Elmont Limestone Member) (KS)

Graham Formation (TX)

Graham Formation (Wayland Shale Member) (TX)

Graham Formation (Necessity Shale Member) (TX)

Harpersville Formation (TX)

Howard Formation (NE)

Janesville Shale (Five Point Limestone Member) (KS)

Kanwaka Shale (KS)

Kanwaka Shale (Stull Shale Member) (KS)

Kanwaka Shale (Clay Creek Limestone Member) (KS)

Lawrence Formation (OK, KS)

Lawrence Formation (Haskell Limestone Member) (KS)

Lawrence Formation (Haskell Limestone Member) (MO)

Lecompton Limestone (KS)

Lecompton Limestone (Doniphan Shale Member) (KS)

Lecompton Limestone (King Hill Shale Member) (KS)

Lecompton Limestone (Spring Branch Limestone Member) (KS)

Oread Formation (Kereford Limestone Member) (MO)

Oread Formation (Snyderville Shale Member) (MO)

Oread Limestone (KS)

Oread Limestone (Heumader Shale Member) (KS)

Oread Limestone (Kereford Limestone Member) (KS)

Oread Limestone (Snyderville Shale Member) (KS)

Oread Limestone (Toronto Limestone Member) (KS)

Scranton Shale (OK)

Scranton Shale (Cedar Vale Shale Member) (KS)

Severy Shale (KS)

Stotler Limestone (Grandhaven Limestone Member) (KS)

Stotler Limestone (Dry Shale Member) (KS)

Stotler Limestone (Dover Limestone Member) (KS)

Stranger Formation (KS)

Stranger Formation (OK)

Stranger Formation (Iatan Limestone Member) (KS)

Stranger Formation (Vinland Shale Member) (KS)

Stranger Formation (Weston Shale Member) (KS)

Stranger Formation (Westphalia Limestone Member) (KS)

Tecumseh Shale (KS)

Tecumseh Shale (Rakes Creek Member) (KS)

Thrifty Formation (TX)

Topeka Limestone (KS)

Topeka Limestone (Coal Creek Limestone Member) (KS)

Topeka Limestone (Jones Point Shale Member) (KS)

Topeka Limestone (Sheldon Limestone Member) (KS)

Topeka Limestone (Turner Creek Shale Member) (KS)

Wood Siding Formation (KS)

Wood Siding Formation (OK)

Wood Siding Formation (Brownville Limestone Member) (OK)

Wood Siding Formation (Brownville Limestone Member) (OK, KS)

Wood Siding Formation (Grayhorse Limestone Member) (KS)

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

Zeandale Limestone (Wamego Shale Member) (KS)

Zeandale Limestone (Wamego Shale Member) (NE)

Missourian

Bonner Springs Shale (KS)

Cherryvale Formation (IA)

Cherryvale Shale (Westerville Limestone Member) (KS)

Dennis Limestone (Winterset Limestone Member) (KS, MO)

Drum Limestone (KS)

Graford Formation (TX)

Graford Formation (Adams Branch Limestone Member) (TX)

Graford Formation (Brownwood Shale Member) (TX)

Hertha Limestone (MO)

Iola Limestone (Avant Limestone Member) (OK)

Palo Pinto Formation (TX)

Plattsburg Limestone (KS)

Plattsburg Limestone (Merriam Limestone Member) (KS)

Plattsburg Limestone (Spring Hill Limestone Member) (KS)

Stanton Limestone (OK, KS)

Stanton Limestone (Captain Creek Limestone Member) (KS)

Stanton Limestone (Eudora Shale Member) (OK)

Stanton Limestone (Rock Lake Shale Member) (KS)

Stanton Limestone (South Bend Limestone Member) (KS)

Stanton Limestone (Stoner Limestone Member) (KS)

Stranger Formation (MO)

Vilas Shale (KS)

Wann Formation (OK)

Wyandotte Limestone (Argentine Limestone Member) (MO)

Wyandotte Limestone (Farley Limestone Member) (KS)

Desmoinesian

Holdenville Shale (OK)

Lenapah Limestone (OK, KS)

Wewoka Formation (OK)

Atokan

Atoka Formation (OK)

Marble Falls Limestone (TX)

Morrowan

Bloyd Shale (Brentwood Limestone Member) (AR)

Unknown Stage

Cherokee Shale (MO)

Coal Measures (KS)

Coal Measures (MO)

Coal Measures (NE)