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Pteria linguaeformis

Geological Range

Campanian to Maastrichtian

Paleogeographic Distribution

South Dakota to Montana

Stratigraphic Occurrences

Maastrichtian
Fox Hills Formation (SD)
Fox Hills Formation (WY)
Fox Hills Formation (Timber Lake Member) (SD)
Fox Hills Formation (Trail City Member) (SD)
Campanian
Pierre Shale (MT)
Pierre Shale (SD) [Campanian]
Unknown Stage
Carlile Shale (SD)
Fox Hills Formation (ND)
Lewis Shale (WY)
Pierre Shale (SD)
Pierre Shale (WY)
<i>Pteria linguaeformis</i> from the Pierre Formation of Meade County, South Dakota (FHSMIP 1316).
Pteria linguaeformis from the Pierre Formation of Meade County, South Dakota (FHSMIP 1316).

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