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Placenticeras placenta

Geological Range

Albian to Campanian

Paleogeographic Distribution

Mississippi to Texas to South Dakota

Stratigraphic Occurrences

Campanian
Eutaw Formation (MS)
Gober Chalk (TX)
Merchantville Formation (NJ)
Moscow Formation (DE)
Pierre Shale (SD) [Campanian]
Santonian
Blossom Sandstone (TX)
Coniacian
Mancos Shale (NM)
Albian
Weno Formation (TX)
Unknown Stage
Austin Chalk (TX)
Eutaw Formation (Tombigbee Sand Member) (AL)
Pierre Shale (WY)
<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).
Stratigraphic position unknown
Stratigraphic position unknown