Holotype: YPFB Pal 6133
Locality: Tiupampa, Bolivia.
Horizon: Mammal-bearing level of the El Molino Formation.
Biostratigraphy:
Age: Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Right UM3 or UM4 missing anterior surface protocone.
Hypodigm:
YPFB Pal 6134: A right LM3 or LM4.