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Prionocyclus hyatti

Geological Range

Prionocyclus hyatti Zone: Middle Turonian 92.46 ± 0.58

Cenomanian to Santonian

Paleogeographic Distribution

Texas to Kansas

Stratigraphic Occurrences

Santonian
Crevasse Canyon Formation (NM)
Turonian
Acadia Park Shale (TX)
Carlile Shale (KS)
Carlile Shale (Blue Hill Shale Member) (KS)
Carlile Shale (SD)
Chispa Summit Formation (TX)
Eagle Ford Shale (TX)
Frontier Formation (WY)
Mancos Shale (NM)
Mancos Shale (Semilla Sandstone Member) (NM)
Cenomanian
Boquillas Formation (TX)
Unknown Stage
Eagle Ford Formation (TX)
<i> Prionocyclus hyatti </i> from the Turonian Carlile Shale Fm. of Smith County, Kansas (KUMIP 143746).
Prionocyclus hyatti from the Turonian Carlile Shale Fm. of Smith County, Kansas (KUMIP 143746).
Stratigraphic position unknown
Stratigraphic position unknown