Species: nationalgeographica MARSHALL, MUIZON & SIGE, 1983
Etymology: In honor of the National Geographic Society, who sponsored the exhibition.

Holotype: MNHN Vil. 99

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: Fragmentary right maxilla with P1 and P2, base of P3 and M1 to M4.

Hypodigm:

MNHN Vil 100: Fragmentary left mandible with m1 to m4.

MNHN Vil 101: Fragmentary left mandible with m1 to m3.

MNHN Vil 102: Fragmentary left mandible with roots of m3 and m4.

MNHN Vil 117: Left m1.

MNHN Vil 109: Fragmentary right mandible with anterior root and hypoconid of m4.

MUIZON, MARSHALL & SIGE 1984

MNHN Vil 120: LP3.

MNHN Vil 122: UP2.