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Platecarpus coryphaeus

Geological Range

Santonian to Campanian

Paleogeographic Distribution

Kansas to Colorado

Stratigraphic Occurrences

Campanian
Pierre Shale (CO)
Santonian
Niobrara Formation (Smoky Hill) (KS)
Unknown Stage
Niobrara Formation (Smoky Hill Mbr) (KS)
<i> Platecarpus coryphaeus </i> from the Late Cretaceous Niobrara Fm. of Logan County, Kansas (YPM VP 004004).
Platecarpus coryphaeus from the Late Cretaceous Niobrara Fm. of Logan County, Kansas (YPM VP 004004).
Stratigraphic position unknown
Stratigraphic position unknown