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Ptychodus anonymous

Geological Range

Cenomanian to Santonian

Paleogeographic Distribution

Texas to Colorado

Stratigraphic Occurrences

Santonian
Niobrara Formation (Smoky Hill) (KS)
Turonian
Carlile Shale (KS)
Carlile Shale (Blue Hill Shale Member) (KS)
Carlile Shale (Fairport Member) (KS)
Greenhorn Limestone (CO)
Greenhorn Limestone (Hartland Mbr) (CO)
Greenhorn Limestone (KS)
Greenhorn Limestone (Lincoln Member) (KS)
Cenomanian
Greenhorn Limestone (CO)
Greenhorn Limestone (Lincoln Mbr) (CO)
Greenhorn Limestone (KS)
Greenhorn Limestone (Lincoln Shale Member) (KS)
Lake Waco Formation (TX)
<i> Ptychodus anonymous </i> from the Turonian Carlile Fm. of Ellis County, Kansas (FHSMVP 13324).
Ptychodus anonymous from the Turonian Carlile Fm. of Ellis County, Kansas (FHSMVP 13324).

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