Genus: Traukutitan JUAREZ VALIERI, & CALVO, 2011
Etymology: From Trauku, the araucanian mountain spirit, usually represented like a giant, and Greek, titan, a Greek mythologial giants.

Species: eocaudata JUAREZ VALIERI, & CALVO, 2011
Etymology: Greek, eo, "early" and Greek, caudia, "tail." Eocaudata, in reference to the basal morphology displayed in the middle caudal vertebrae present in this form.
= Titanosauridae incertae sedis SALGADO & CALVO, 1993
= Genus: Nova CALVO, 2000, CALVO, PORFIRI, VERALLI & POBLETE, 2001, CALVO, PORFIRI & POBLETE, 2005

Holotype: MUCPv 204

Locality: Sitio Trauku, 5 km southwestern to the Centro Paleontologico Lago Barreales, northern coast of Los Barreales Lake, Neuquen Province, Patagonia, Argentina.

Horizon: Lowermost section, Bajo de la Carpa Formation, Rio Colorado Subgroup, Neuquen Group.

Biostratigraphy:

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

Material: 13 caudal vertebrae, and 2 femora.

Note: Some of the caudal vertebrae are amphiplatian.

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