Species: stipanicici BONAPARTE, 1986
Etymology:

Holotype: MACN-RN13

Locality: 100 m east of the base of Cerro Cauadrado, sec north Estamcia Los Alamitos, zone Arroyo Verde, Southeast province of Rio negro, Argentina.

Horizon: Los Alamitos Formation.

Biostratigraphy:

Age: Allenian Tetrapoda Assemblage, Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Upper molar.

Referred material:

MACN-RN14: Upper molar.

MACN-RN15: Upper molar.

MACN-RN16: Upper molar.

MACN-RN17: Upper molar.

 

ROUGIER, CHORNOGUBSKY, CASADIO, ARANGO & GIALLOMBARDO, 2008

Locality: Microvertebrate layer, Cerro Tortuga, Rio Negro Province, Patagonia, Argentina.

Horizon: 38 meters below the top of the Allen Formation.

Biostratigraphy:

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

Material:

MML-Pv 14: A right upper molar.

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Species: novasi BONAPARTE, 1986
Etymology: In honor of Freando Novas.

Holotype: MACN-RN19

Locality: 100 m east of the base of Cerro Cauadrado, sec north Estamcia Los Alamitos, zone Arroyo Verde, Southeast Rio Negro Province, Argentina.

Horizon: Los Alamitos Formation.

Biostratigraphy:

Age: Allenian Tetrapoda Assemblage, Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Upper molar.