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Scaphites mariasensis

Geological Range

Scaphites mariasensis Zone: Upper Turonian just prior to the Coniacian boundary 89.3 ± 1.0

Paleogeographic Distribution

South Dakota

Stratigraphic Occurrences

Coniacian
Marias River Formation (MT)
Turonian
Carlile Shale (SD)
Niobrara Formation (SD)
Holotype of <i>Scaphites mariasensis</i> (USNM 106681). Original unmodified images provided by courtesy of the Smithsonian NMNH and adapted and presented here under a Creative Commons BY-NC 4.0 license (NMNH GUID http://n2t.net/ark:/65665/3d1770623-a170-473c-8037-4d19131536b2).
Holotype of Scaphites mariasensis (USNM 106681). Original unmodified images provided by courtesy of the Smithsonian NMNH and adapted and presented here under a Creative Commons BY-NC 4.0 license (NMNH GUID http://n2t.net/ark:/65665/3d1770623-a170-473c-8037-4d19131536b2).

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