Species: floresi MARSHALL & MUIZON, 1988
Etymology:

Holotype: YPFB Pal 6191

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: Fragment of a right mandibular ramus with LC-LM3, a fragment of right maxillary with posterior edge of UM3 and complete UM4-5, a fragment of left maxillary with posterior root of UM2, UM3 missing anterolabieal corner and UM4 complete.

Hypodgim:

MNHN Vil 124: LLM4? missing tips of protoconid, metaconid, and part of hypoconulid.

MNHN Vil 128: Posterolingual half of an isolated left LP3.