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Placenticeras placenta

Geological Range

Campanian

Paleogeographic Distribution

South Dakota

Stratigraphic Occurrences

Campanian
Pierre Shale (SD) [Campanian]
<i> Placenticeras placenta </i> from the Campanian Pierre Shale Fm. of Pennington County, South Dakota (YPM 237254).
Placenticeras placenta from the Campanian Pierre Shale Fm. of Pennington County, South Dakota (YPM 237254).

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