Species: proriger (COPE, 1869) MARSH, 1872
Etymology:
Holotype: MCZ
Locality: Vicinity of Monument Rocks, the old overland stage station, Kansas.
Horizon: Smoky Hill Chalk Member, Niobrara Formation.
Biostratigraphy:
Age: Santonian or Campanian Stage, Middle Senonian Subepoch, Uppermiddle Gulf
Epoch, Late
Cretaceous.
Referred material:
KUVP 1075: Fragmentary skeleton with impressions of dermal scales.
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SNOW
Locality: Hadberry Creek, Gove County, Kansas.
Horizon: Niobrara Formation.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Fragmentary skeleton with dermal scales.