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Apsopelix anglicus

Geological Range

Albian to Campanian

Paleogeographic Distribution

Kansas to South Dakota

Stratigraphic Occurrences

Campanian
Pierre Shale (SD) [Campanian]
Santonian
Niobrara Formation (Smoky Hill) (KS)
Turonian
Carlile Shale (SD)
Greenhorn Limestone (KS)
Unknown Stage
Greenhorn Limestone (NE)
Pierre Shale (WY)