Species of Solemya present in the Pennsylvanian of the American Midcontinent
Desmoinesian to Virgilian; Extinct.
Oklahoma to Missouri.
- Oread Formation (Kereford Limestone Member) (MO)
- Cherryvale Shale (Westerville Limestone Member) (KS)
- Plattsburg Limestone (KS)
- Stanton Limestone (KS)
- Vilas Shale (OK, KS)
- Cabaniss Formation (MO)
- Unknown Stage
- Cherokee Shale (MO)
- Coal Measures Formation