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Pinna peracuta

Geological Range

Desmoinesian to Virgilian; Extinct.

Paleogeographic Distribution

Texas to Nebraska.

Stratigraphic Occurrences

Virgilian
Harpersville Formation (Waldrip Shale Member) (TX)
Lecompton Limestone (KS)
Oread Limestone (KS)
Missourian
Dennis Limestone (Winterset Limestone Member) (KS)
Plattsburg Limestone (Merriam Limestone Member) (KS)
Desmoinesian
Carbondale Formation (KS)
Unknown Stage
Coal Measures (MO)
Coal Measures (NE)
Coal Measures (TX)
<i>Pinna peracuta</i> from an unknown formation of Wyandotte County, Kansas (KUMIP 264689).
Pinna peracuta from an unknown formation of Wyandotte County, Kansas (KUMIP 264689).
<i>Pinna peracuta</i> from an unknown formation of Wyandotte County, Kansas (KUMIP 264689).
Pinna peracuta from an unknown formation of Wyandotte County, Kansas (KUMIP 264689).
Virgillian Map
Virgillian Map
Missourian Map
Missourian Map
Desmoinesian Map
Desmoinesian Map