Species of Annuliconcha present in the Pennsylvanian of the American Midcontinent
Morrowan to Missourian; Extinct.
Texas to Missouri.
- Drum Limestone (Dewey Limestone Member) (OK)
- Graford Formation (Adams Branch Limestone Member) (TX)
- Iola Limestone (KS)
- Wyandotte Limestone (Argentine Limestone Member) (MO)
- Wyandotte Limestone (Farley Limestone Member) (KS)
- Morrow Formation (OK)
- Unknown Stage
- Coal Measures (MO)