Genus: Neuquensaurus POWELL, 1986 vide BONAPARTE, 1987 (nomen nudum)
Etymology: In reference to the province of Neuquen, Argentina, and Greek, sauros, lizard: “Neuquen lizard”.

Species: australis (LYDEKKER, 1893) POWELL, 1986 vide BONAPARTE, 1987
Etymology:
= Titanosaurus australis LYDEKKER, 1893

Referred material:

Locality: Cinco Saltos area, Rio Negro Province, Argentina.

Horizon: Top of the Anacelto Formation (Rio Colorado Formation), Neuquen Group.

Biostratigraphy:

Age: Coloradoan Tetrapoda Assemblage, Santonian-Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

SALGADO, APESTEGUIA & HEREDIA, 2005

MCS-5/33, 34: 2 osteoderms.

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Species: robustus (HUENE, 1929) POWELL, 1986 vide BONAPARTE, 1987
Etymology:

Locality: Cinco Saltos, Rio Negro Province, Argentina.

Horizon: Rio Colorado Formation, Neuquen Group.
Note: Misinterpreted as the Lower Allen Formation as per HEREDIA & SALGADO, 1999.

Biostratigraphy:

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

Referred material:

POWELL, 1980

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

PVL 4017-112, 113, 114, 115, 116, 117, 118, 119, 120, 134: Dermal osteoderms.