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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