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Geology
Mollusca
Bivalvia
Trigonioida
Myophoriidae
Schizodus
Schizodus
Phylum:
Mollusca
Class:
Bivalvia
Order:
Trigonioida
Family:
Myophoriidae
Genus:
Schizodus
Species
Information
Images
Species of
Schizodus
present in the Pennsylvanian of the American Midcontinent
Schizodus alpina
Schizodus harii
Schizodus rossicus
Geological Range
Morrowan to Virgilian; Extinct.
Paleogeographic Distribution
Texas to Iowa.
Stratigraphic Occurrences
Virgilian
Auburn Shale (KS)
Deer Creek Limestone (OK)
Deer Creek Limestone (Rock Bluff Limestone Member) (KS)
Deer Creek Limestone (Ozawkie Limestone Member) (KS)
Graham Formation (TX)
Graham Formation (Wayland Shale Member) (TX)
Graham Formation (Gunsight Limestone Member) (TX)
Graham Formation (Jacksboro Limestone Member) (TX)
Graham Formation (Finis Shale Member) (TX)
Kanwaka Shale (KS)
Lawrence Formation (Robbins Shale Member) (KS)
Lawrence Formation (Haskell Limestone Member) (KS)
Oread Limestone (KS, NE)
Oread Limestone (Kereford Limestone Member) (KS)
Oread Limestone (Plattsmouth Limestone Member) (KS)
Topeka Limestone (KS)
Wood Siding Formation (Brownville Limestone Member) (KS)
Zeandale Limestone (Wamego Shale Member) (NE)
Missourian
Brad Formation (TX)
Chanute Shale (MO)
Checkerboard Formation (OK, KS)
Cherryvale Formation (IA)
Cherryvale Shale (Fontana Shale Member) (MO)
Cherryvale Shale (Westerville Limestone Member) (KS)
Dennis Limestone (Winterset Limestone Member) (MO)
Drum Limestone (KS)
Drum Limestone (MO)
Stanton Formation (Stoner Limestone Member) (MO)
Stanton Limestone (KS)
Stanton Limestone (Eudora Shale Member) (KS)
Stanton Limestone (Stoner Limestone Member) (KS)
Wyandotte Limestone (Argentine Limestone Member) (KS)
Wyandotte Limestone (Farley Limestone Member) (KS)
Desmoinesian
Boggy Formation (OK)
Holdenville Shale (OK)
Lenapah Limestone (OK)
Mineral Wells Formation (TX)
Salesville Shale (TX)
Wewoka Formation (OK)
Wetumka Formation (OK)
Atokan
Atoka Formation (OK)
Morrowan
Hale Formation (OK)
Unknown Stage
Cherokee Shale (KS)
Cherokee Shale (MO)
Coal Measures (MO)
Coal Measures (NE)
Schizodus sp.
from the Wetumka Shale of Johnston County, Oklahoma (KUMIP 215538).