Species: suarezi MUIZON & MARSHALL, 1987
Etymology:

Holotype: YPFB PAL 6113

Locality: Vila, VIla, department of Cochabamba, Tiupampa, Bolivia.

Horizon: Mammal-bearing level of the El Molino Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Fragmentary mandible with M1-M2, M3.

Referred material:

YPFB PAL 6117: Fragment of mandible with M2, M3, and M1.

YPFB PAL 6118: M2.