Alphadon austrinum or ?Pediomyidae

SIGE, 1972

Locality: Laguna Umayo, Department Puno, Peru.

Horizon: Vilquechico Formation.

Biostratigraphy:

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

Material:

LU 5968-5: Fragment of mandible with 3 molar roots..

LU 5968-11: Fragment of mandible with no teeth.