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Sphenodiscus beecheri

Geological Range

Maastrichtian

Paleogeographic Distribution

South Dakota

Stratigraphic Occurrences

Maastrichtian
Fox Hills Formation (SD)
Fox Hills Formation (Timber Lake Member) (SD)
Fox Hills Formation (Trail City Member) (SD)
Unknown Stage
Fox Hills Formation (SD)
Pierre Shale (SD)
<i> Sphenodiscus beecheri </i> from the Late Cretaceous Pierre Shale of Bad Lands, South Dakota (YPM 27811).
Sphenodiscus beecheri from the Late Cretaceous Pierre Shale of Bad Lands, South Dakota (YPM 27811).
Stratigraphic position unknown
Stratigraphic position unknown