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Ctena imbricatula

Geological Range

Campanian

Paleogeographic Distribution

Kansas to South Dakota

Stratigraphic Occurrences

Campanian
Pierre Shale (SD) [Campanian]
Unknown Stage
Niobrara Formation (Smoky Hill Mbr) (KS)
Pierre Shale (SD)
<i>Ctena imbricatula</i> from the Pierre Shale of Meade County, South Dakota (FHSMIP 1319).
Ctena imbricatula from the Pierre Shale of Meade County, South Dakota (FHSMIP 1319).

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