Genus: Porthochelys WILLISTON, 1901
Etymology:
Species: laticeps WILLISTON, 1901
Etymology:
Holotype: KU (VP): 1204
Locality: Saline River, Trego County, Kansas.
Horizon: Niobrara Formation.
Biostratigraphy:
Age: Late Cretaceous.
Material: Skull, shell, mandible and humerus.
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