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Inoceramus deformis

Geological Range

Cenomanian to Campanian

Paleogeographic Distribution

Texas to Montana

Stratigraphic Occurrences

Santonian
Niobrara Formation (Smoky Hill) (KS)
Coniacian
Boquillas Formation (TX)
Frontier Formation (WY)
Gallup Sandstone (NM)
Marias River Formation (MT)
Niobrara Formation (Fort Hays Member) (CO)
Niobrara Formation (Smoky Hill Member) (CO)
Niobrara Formation (Fort Hays Member) (KS)
Tocito Sandstone Formation (NM)
Turonian
Carlile Shale (Blue Hill Member) (CO)
Niobrara Formation (CO)
Unknown Stage
Austin Chalk (TX)
Benton Shale (CO)
Carlile Shale (Blue Hill Mbr) (KS)
Carlile Shale (SD)
Cody Shale (MT)
Marcos Shale (NM)
Niobrara Formation (CO)
Niobrara Formation (Smoky Hill Mbr) (KS)
Niobrara Formation (WY)
<i>Inoceramus deformis</i> from the Niobrara Formation Smoky Hill Member) of Rooks County, Kansas (FHSMIP 971).
Inoceramus deformis from the Niobrara Formation Smoky Hill Member) of Rooks County, Kansas (FHSMIP 971).
<i>Inoceramus deformis</i> from the Niobrara Formation (Smoky Hill Member) of Rooks County, Kansas (FHSMIP 978).
Inoceramus deformis from the Niobrara Formation (Smoky Hill Member) of Rooks County, Kansas (FHSMIP 978).
<i>Inoceramus deformis</i> from the Niobrara Formation (Smoky Hill Member) of Otero County, Colorado (FHSMIP 1478).
Inoceramus deformis from the Niobrara Formation (Smoky Hill Member) of Otero County, Colorado (FHSMIP 1478).
Stratigraphic position unknown
Stratigraphic position unknown