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Placenticeras intercalare

Geological Range

Campanian to Maastrichtian

Paleogeographic Distribution

Texas to Montana

Stratigraphic Occurrences

Maastrichtian
Pierre Shale (SD)
Campanian
Bearpaw Shale (Upper) (MT) [Campanian]
Mesaverde Formation (Teapot Ss Member) (WY)
Pierre Shale (CO)
Pierre Shale (MT)
Pierre Shale (SD) [Campanian]
Pierre Shale (WY) [Campanian]
San Miguel Formation (TX)
Unknown Stage
Hygiene Formation (CO)
Pierre Shale (CO)
Pierre Shale (WY)
<i> Placenticeras intercalare </i> from the Pierre Shale Fm. of South Dakota (YPM 613926).
Placenticeras intercalare from the Pierre Shale Fm. of South Dakota (YPM 613926).
Stratigraphic position unknown
Stratigraphic position unknown