Skip to Main Content

Phelopteria linguaeformis

Geological Range

Campanian to Maastrichtian

Paleogeographic Distribution

Wyoming to Montana

Stratigraphic Occurrences

Maastrichtian
Fox Hills Formation (SD)
Fox Hills Formation (WY)
Fox Hills Formation (Timber Lake Member) (SD)
Fox Hills Formation (Trail City Member) (SD)
Campanian
Pierre Shale (MT)
Pierre Shale (SD) [Campanian]
Unknown Stage
Carlile Shale (SD)
Pierre Shale (WY)
<i>Phelopteria linguaeformis</i> from the Fox Hills Formation (Timber Lake Member) of Dewey County, South Dakota (YPM 24074).
Phelopteria linguaeformis from the Fox Hills Formation (Timber Lake Member) of Dewey County, South Dakota (YPM 24074).
Stratigraphic position unknown
Stratigraphic position unknown