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Marginifera

Marginifera

Species of Marginifera present in the Pennsylvanian of the American Midcontinent

Geological Range

Desmoinesian to Virgilian; Extinct.

Paleogeographic Distribution

Texas to Iowa.

Stratigraphic Occurrences

Virgilian
Calhoun Shale (IA)
Graham Formation (Wayland Shale Member) (TX)
Wood Siding Formation (Brownville Limestone Member) (KS)
Missourian
Graford Formation (Brownwood Shale Member) (TX)
Plattsburg Limestone (KS)
Desmoinesian
Big Branch Formation (OK)
Big Branch Formation (Pumpkin Creek Limestone Member) (OK)
Boggy Formation (OK)
Lake Murray Formation (Lester Member) (OK)
Verdigris Formation (Ardmore Limestone Member) (IA)
Wetumka Formation (OK)
Unknown Stage
Cherokee Shale (IA)
<i>Marginifera sp.</i> from the Graham Fm. of McCulloch County, Texas (KUMIP 307889).
Marginifera sp. from the Graham Fm. of McCulloch County, Texas (KUMIP 307889).