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Inoceramus concentricus

Geological Range

Albian to Campanian

Paleogeographic Distribution

Texas to Oregon

Stratigraphic Occurrences

Campanian
Niobrara Formation (KS)
Santonian
Niobrara Formation (Smoky Hill) (KS)
Coniacian
Niobrara Formation (Smoky Hill Member) (KS)
Unknown Stage
Comanche Peak Limestone (TX)
<i>Inoceramus concentricus</i> from the Niobrara Formation of Ellis County, Kansas (KUMIP 138208).
Inoceramus concentricus from the Niobrara Formation of Ellis County, Kansas (KUMIP 138208).
Stratigraphic position unknown
Stratigraphic position unknown