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Geology
Mollusca
Cephalopoda
Ammonoidea
Scaphitidae
Hoploscaphites
Hoploscaphites cheyennensis
Hoploscaphites cheyennensis
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonoidea
Family:
Scaphitidae
Genus:
Hoploscaphites
Species:
Hoploscaphites cheyennensis
(Owen)
Information
Images
Maps
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)
Hoploscaphites cheyennensis
from the Maastrichtian Fox Hills Fm. of Dewey County, South Dakota (YPM 23689).
Stratigraphic position unknown