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Modiolus meeki

Geological Range

Campanian to Maastrichtian

Paleogeographic Distribution

Colorado to Montana

Stratigraphic Occurrences

Maastrichtian
Fox Hills Formation (CO)
Fox Hills Formation (MT)
Fox Hills Formation (WY)
Fox Hills Formation (Timber Lake Member) (SD)
Fox Hills Formation (Trail City Member) (SD)
Pierre Shale (MT)
Pierre Shale (WY)
Campanian
Pierre Shale (SD) [Campanian]
Unknown Stage
Bear Paw Shale (MT)
Hygiene Formation (CO)
Pierre Shale (MT)
Pierre Shale (SD)
<i>Modiolus meeki</i> from the Fox Hills Formation (Trail City Member) of Dewey County, South Dakota (YPM 24107).
Modiolus meeki from the Fox Hills Formation (Trail City Member) of Dewey County, South Dakota (YPM 24107).
Stratigraphic position unknown
Stratigraphic position unknown