Genus: Peradetes MATTHEW & GRANGER, 1921
Etymology: Greek, pera, “pouch”, Greek, dektes, “biter”: Pouched biter.

Species: austrinum (SIGE, 1971)
Etymology:
= Alphadon austrinum SIGE, 1971

Holotype: LU 5968-10

Locality: Laguna Umayo, Department Puno, Peru.

Horizon: Vilquechico Formation.

Biostratigraphy:

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

Material: Incomplete M3.

Hypodigm

LU 5968-6: Incomplete M1 or M2.

LU 5968-9: Fragment of maxilla with M1 and M2 incomplete.

LU 5968-8: P1-P2..

 

MARSHALL & MUIZON, 1988

Locality: Tiupampa, Bolivia.

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

Biostratigraphy:

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

Material:

YPFB Pal 6132: LUM3 or LUM4.