Skip to Main Content

Hoploscaphites sargklofak

Geological Range

Lower Maastrichtian (Baculites grandis zone).

Paleogeographic Distribution

Colorado, South Dakota, Wyoming, and Montana.

Stratigraphic Occurrences

Maastrichtian
Bearpaw Shale (upper) (Baculites grandis Zone) (MT)
Lewis Shale (Baculites grandis Zone) (WY)
Pierre Shale (Baculites grandis Zone) (CO)
Pierre Shale (Baculites grandis Zone) (SD)
Pierre Shale (Baculites grandis Zone) (WY)
Holotype of <i>Hoploscaphites sargklofax</i> from the Bearpaw Shale of McCone County, Montana (USNM 605788). Modified from Figs 11a-d in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.
Holotype of Hoploscaphites sargklofax from the Bearpaw Shale of McCone County, Montana (USNM 605788). Modified from Figs 11a-d in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.
Suture pattern of <i>Hoploscaphites sargklofax</i> (from holotype, USNM 605788). Modified from Figs 17b in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.
Suture pattern of Hoploscaphites sargklofax (from holotype, USNM 605788). Modified from Figs 17b in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.
<i>Hoploscaphites sargklofax</i> microconch from the Pierre Shale of Weston County, Wyoming (AMNH 63574). Modified from Figs 18a-d in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.
Hoploscaphites sargklofax microconch from the Pierre Shale of Weston County, Wyoming (AMNH 63574). Modified from Figs 18a-d in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.
Assemblage of <i>Hoploscaphites sargklofax</i> the Pierre Shale of Meade County, South Dakota (AMNH 63552-63555). Modified from Fig. 5 in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.
Assemblage of Hoploscaphites sargklofax the Pierre Shale of Meade County, South Dakota (AMNH 63552-63555). Modified from Fig. 5 in Landman et al. (2015) in American Museum Novitates no. 3833. Used with permission.

Maps for this species are currently unavailable. Please check back later.