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Emperoceras beecheri

Geological Range

Campanian

Paleogeographic Distribution

South Dakota

Stratigraphic Occurrences

Maastrichtian
Pierre Shale (SD)
Unknown Stage
Pierre Shale (SD)
<i> Emperoceras beecheri </i> from the Late Cretaceous Pierre Shale of Custer County, South Dakota (YPM 006131A).
Emperoceras beecheri from the Late Cretaceous Pierre Shale of Custer County, South Dakota (YPM 006131A).
<i> Emperoceras beecheri </i> from the Late Cretaceous Pierre Shale of Custer County, South Dakota (YPM 006131B).
Emperoceras beecheri from the Late Cretaceous Pierre Shale of Custer County, South Dakota (YPM 006131B).
Stratigraphic position unknown
Stratigraphic position unknown