Species: argentinus AMEGHINO, 1899 (nomen dubium)
Etymology: In reference to Argentina, where the specimen was found.
= Megalosaurus argentinus (AMEGHINO, 1899) HUENE, 1929 (nomen dubium)
= Longosaurus argentinus ROTH, 1900 (sic)

Not type

Locality: Rio Sehuen, Argentina.

Horizon: Guaranitic beds.

Biostratigraphy:

Age: Late Cretaceous.

Material: Parts of skull, insufficiently described.

Note: ROTH, 1900 comments about a skull that is the type that was sent to the BMNH for identification. Huene also comments about this skull, but no one else has mentioned this.

Referred material:

HUENE, 1929

Locality: Par Aik, Rio Sehuen, Santa Cruz Province, Argentina.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Fragmentary tooth.