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Baculites gregoryensis

Geological Range

Baculites gregoryensis Zone: Middle Campanian

Campanian to Maastrichtian

Paleogeographic Distribution

Wyoming to Montana

Stratigraphic Occurrences

Maastrichtian
Pierre Shale (WY)
Campanian
Fox Hills Formation (WY)
Pierre Shale (MT)
Pierre Shale (SD) [Campanian]
Pierre Shale (WY) [Campanian]
Holotype of <i>Baculites gregoryensis</i> (USNM 106987). 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:/65665/3cec1105d-09ac-4811-b027-7fce3304b6c0).
Holotype of Baculites gregoryensis (USNM 106987). 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:/65665/3cec1105d-09ac-4811-b027-7fce3304b6c0).
<i>Baculites gregoryensis</i> from the Pierre Shale (Redbird Silty Member) of Niobrara County, Wyoming (YPM IP 322266).
Baculites gregoryensis from the Pierre Shale (Redbird Silty Member) of Niobrara County, Wyoming (YPM IP 322266).
Stratigraphic position unknown
Stratigraphic position unknown