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Ichthyornis dispar

Geological Range

Turonian to Campanian

Paleogeographic Distribution

Kansas to New Mexico to South Dakota

Stratigraphic Occurrences

Santonian
Niobrara Formation (Smoky Hill) (KS)
Coniacian
Niobrara Formation (Smoky Hill Member) (KS)
Turonian
Greenhorn Limestone (KS)
Greenhorn Limestone (Pfeifer Member) (KS)
Unknown Stage
Austin Chalk (TX)
Marcos Shale (NM)
Mooreville Formation (AL)
Niobrara Formation (Smoky Hill Mbr) (KS)
Pierre Shale (SD)
<i> Ichthyornis dispar </i> from the Late Cretaceous (FHSMVP 2180).
Ichthyornis dispar from the Late Cretaceous (FHSMVP 2180).

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