Species: rothi WOODWARD, 1896
Etymology:

Holotype: MLP 64-IV-16-25 (205)

Locality: Pichi Picum Leufu, Neuquen Province, Argentina.

Horizon: Pichi Picum Leufu Formation.

Biostratigraphy:

Age: Middle Cretaceous.

Material: Skull missing the anterior portion from the orbits back.

Referred material:

Locality: Vilavila, 20 km NE of Torotoro, Cochabamba Department, Bolivia.

Horizon: Santa Lucia Formation.

Biostratigraphy:

Age: Early Paleocene Epoch, Lower Paleogene Period, Tertiary Subera, Cenozoic Era.
Note: (Originally Immediately above the Pucapristis level of the El Molino Formation, Late Cretaceous) (de BROIN, 1991).

Material:

MNHN Vil 98:

Note: New genus?