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Euspira subcrassa

Geological Range

Maastrichtian

Paleogeographic Distribution

New Mexico to North Dakota

Stratigraphic Occurrences

Maastrichtian
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)
Unknown Stage
Cliff House Sandstone Formation (NM)
<i> Euspira subcrassa </i> from the Late Cretaceous Cliff House Sandstone Fm. of San Juan County, New Mexico (UNM 926).
Euspira subcrassa from the Late Cretaceous Cliff House Sandstone Fm. of San Juan County, New Mexico (UNM 926).

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