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Amphiscapha subquadrata

Geological Range

Desmoinesian to Missourian; Extinct.

Paleogeographic Distribution

Texas to Oklahoma.

Stratigraphic Occurrences

Missourian
Brad Formation (Ranger Limestone Member) (TX)
Graford Formation (TX)
Graford Formation (Brownwood Shale Member) (TX)
Nellie Bly Formation (OK)
Desmoinesian
Wewoka Formation (OK)
<i>Amphiscapha subquadrata</i> from the Wewoka Shale of Okmulgee County, Oklahoma (KUMIP 260467).
Amphiscapha subquadrata from the Wewoka Shale of Okmulgee County, Oklahoma (KUMIP 260467).
Missourian Map
Missourian Map
Desmoinesian Map
Desmoinesian Map