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Volviceramus involutus

Geological Range

Volviceramus involutus Zone:  Middle Coniacian

Coniacian to Santonian

Paleogeographic Distribution

Kansas to Washington

Remarks

PaleoDB taxon number: 144327.

Stratigraphic Occurrences

Santonian
Niobrara Formation (CO)
Coniacian
Niobrara Formation (NE)
Unknown Stage
Carlile Shale (SD)
Niobrara Formation (Smoky Hill Mbr) (KS)
Niobrara Formation (SD)
Pysht Formation (WA)
<i>Volviceramus involutus</i> from the Niobrara Formation (Smoky Hill Member) of Ellis County, Kansas (FHSMIP 1790).
Volviceramus involutus from the Niobrara Formation (Smoky Hill Member) of Ellis County, Kansas (FHSMIP 1790).
Stratigraphic position unknown
Stratigraphic position unknown