Genus: Priodontognathus SEELEY, 1875 (nomen dubium)
Etymology: Greek, prion, “saw”, Greek, odont- (odous), “tooth”, and Greek, gnathus “jaw”: “Saw-toothed jaw”.
= Priodontosaurus ROMER, 1966 (sic)

Species: phillipsii (SEELEY, 1869) SEELEY, 1875 (nomen dubium)
Etymology: In honor of John Phillips British geologist.
= Iguanodon phillipsii SEELEY, 1869 (nomen dubium)

Holotype: SM B53408

Locality: Unknown, from the coast of Yorkshire or Hastings, East Sussex County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Corallian, Oxfordian Stage, Lower Malm Epoch, Late Jurassic or Wealden, Early Cretaceous.

Material: Maxilla.