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Ptychodus mortoni

Geological Range

Turonian to Santonian

Paleogeographic Distribution

Kansas to Colorado; Alabama

Stratigraphic Occurrences

Santonian
Eutaw Formation (AL)
Eutaw Formation (MS)
Hosta Tongue Point Lookout Sandstone (NM)
Niobrara Formation (CO)
Niobrara Formation (Smoky Hill) (KS)
Turonian
Carlile Shale (KS)
Unknown Stage
Austin Chalk (TX)
Mooreville Formation (AL)
Niobrara Formation (Smoky Hill Mbr) (KS)
Niobrara Formation (SD)
Upper dentition of <i> Ptychodus mortoni </i> from the Santonian Niobrara Fm. of Rooks County, Kansas (FHSMVP 2238).
Upper dentition of Ptychodus mortoni from the Santonian Niobrara Fm. of Rooks County, Kansas (FHSMVP 2238).
Stratigraphic position unknown
Stratigraphic position unknown