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Nucula planimarginata

Geological Range

Campanian to Maastrichtian

Paleogeographic Distribution

Colorado to Montana

Remarks

PaleoDB taxon number: 129954.

Stratigraphic Occurrences

Maastrichtian
Fox Hills Formation (CO)
Fox Hills Formation (SD)
Fox Hills Formation (Iron Lightning Member) (SD)
Fox Hills Formation (Timber Lake Member) (SD)
Fox Hills Formation (Trail City Member) (SD)
Campanian
Pierre Shale (MT)
Pierre Shale (SD) [Campanian]
Unknown Stage
Fox Hills Formation (WY)
Pierre Shale (MT)
<i>Nucula planimarginata</i> from the Fox Hills Formation (Timber Lake Member) of Corson County, South Dakota (YPM 23955).
Nucula planimarginata from the Fox Hills Formation (Timber Lake Member) of Corson County, South Dakota (YPM 23955).
Stratigraphic position unknown
Stratigraphic position unknown