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Scaphites preventricosus

Geological Range

Scaphites preventricosus Zone: Lower Coniacian 89.3 ± 1.0 to 88.55 ± 0.59

Turonian to Coniacian

Paleogeographic Distribution

Utah to Montana

Stratigraphic Occurrences

Coniacian
Mancos Shale (Ferron Sandstone Member) (UT)
Marias River Formation (MT)
Turonian
Carlile Shale (SD)
Niobrara Formation (SD)
Unknown Stage
Marias River Shale (Kevin Member) (MT)
Holotype of <i>Scaphites preventricosus</i> (USNM 106675). 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:/65665/395b5db58-a2a8-437d-b478-bbae796f3d87).
Holotype of Scaphites preventricosus (USNM 106675). 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:/65665/395b5db58-a2a8-437d-b478-bbae796f3d87).
Stratigraphic position unknown
Stratigraphic position unknown