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Sphenodiscus lenticularis

Geological Range

Maastrichtian

Paleogeographic Distribution

Texas to South Dakota

Stratigraphic Occurrences

Maastrichtian
Escondido Formation (TX)
Fox Hills Formation (CO)
Fox Hills Formation (SD)
Fox Hills Formation (WY)
Fox Hills Formation (Timber Lake Member) (SD)
Fox Hills Formation (Trail City Member) (SD)
Hell Creek Formation (SD)
Unknown Stage
Pierre Shale (SD)
<i> Sphenodiscus lenticularis </i> from the Maastrichtian Fox Hills Fm. of Dewey County, South Dakota (YPM 44648).
Sphenodiscus lenticularis from the Maastrichtian Fox Hills Fm. of Dewey County, South Dakota (YPM 44648).
Stratigraphic position unknown
Stratigraphic position unknown