Isogramma
- Phylum: Brachipoda-Articulata
- Class: Rhynchonellata
- Order: Dictyonellida
- Family: Isogrammidae
- Genus: Isogramma
Species of Isogramma present in the Pennsylvanian of the American Midcontinent
Geological Range
Desmoinesian to Virgilian; Extinct.
Paleogeographic Distribution
Texas to Kansas.
Stratigraphic Occurrences
- Virgilian
- Lawrence Formation (Robbins Shale Member) (KS)
- Lecompton Limestone (KS)
- Root Shale (Friedrich Shale Member) (KS)
- Missourian
- Plattsburg Limestone (KS)
- Plattsburg Limestone (Spring Hill Limestone Member) (KS)
- Stanton Limestone (Captain Creek Limestone Member) (KS)
- Vilas Shale (KS)
- Desmoinesian
- Fort Scott Limestone (OK)
- Millsap Lake Formation (TX)
- Millsap Lake Formation (Dickerson Member) (TX)
