Species: argentinus ALBINO, 1987
Etymology: In reference to Argentina, country of origin.

Holotype: MACN-RN 27

Locality: Ea. Los Alamitos, Rio Negro Province, Patagonia, Argentina.

Horizon: Los Alamitos Formation.

Biostratigraphy:

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

Material: Mid-trunk vertebra.

Referred material:

MACRN-RN 28: Incomplete vertebrae.

MACRN-RN 29, MACRN-RN 30, MACRN-RN 31: Vertebrae.

MACRN-PV RN 37, 53-55: Vertebral centra.

 

ALBINO, 2000

Locality: Eastern slopes of the La Colonia area, between El Buitre Chico and El Buitre hills, (approximately between 42°55’S, 67°28’W, 67°41’W, Neuquen Province, Patagonia, Argentina.

Horizon: La Colonia Formation.

Biostratigraphy:

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

Material:

MPEF-PV 643: Trunk vertebra.

 

ALBINO, 2007

Locality: Salinas de Trapalco, 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:

MLP 88-III-31-2, -3: Fragmentary trunk vertebrae.

MLP 88-III-31-4, 15: Vertebral centra.

 

Locality: Ea. El Palomar, 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:

MLP-88-III-30-2: Fragmentary trunk vertebra.

 

MARTINELLI & FORASIEPI, 2004

Locality: Bajo de Santa Rosa Locality, Rio Negro Province, Argentina.

Horizon: Allen Formation, Malargüe Group.

Biostratigraphy:

Horizon: Late Campanian-Early Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

MACN-PV RN 1053: Incomplete trunk vertebra.

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Species: elongatus ALBINO, 1994
Etymology:

Holotype: MACN-Pv RN 38

Locality: Ea. Los Alamitos, Rio Negro Province, Patagonia, Argentina.

Horizon: Los Alamitos Formation.

Biostratigraphy:

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

Material: Fragmentary trunk vertebra.

Referred material:

MACN-Pv RN 39: Fragmentary caudal vertebra.

 

Locality: Salinas de Trapalco, 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:

MLP 88-III-31-1: Fragmentary trunk vertebra.