Species of Spiroscala present in the Pennsylvanian of the American Midcontinent
There are currently no identified species for this genus in the database.
Desmoinesian to Virgilian; Extinct.
Texas to Kansas.
- Gaptank Formation (TX)
- Graham Formation (Gunsight Limestone Member) (TX)
- Drum Limestone (KS)
- Graford Formation (TX)
- Mingus Shale (TX)
- Salesville Shale (TX)