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Derbyia bennetti

Geological Range

Missourian to Virgilian; Extinct.

Paleogeographic Distribution

Kansas to Missouri.

Stratigraphic Occurrences

Virgilian
Graham Formation (Necessity Shale Member) (TX)
Lecompton Limestone (Beil Limestone Member) (KS)
Missourian
Hertha Limestone (Mound City Shale Member) (KS)
Iola Limestone (Raytown Limestone Member) (KS)
Plattsburg Limestone (Hickory Creek Shale Member) (KS)
Plattsburg Limestone (Spring Hill Limestone Member) (KS)
Stanton Limestone (Captain Creek Limestone Member) (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)
Virgillian Map
Virgillian Map
Missourian Map
Missourian Map