Genus: Narambuenatitan FLIPPI, GARCIA & GARRIDO, 2011
Etymology: In reference to Puesto Narambuena, Neuquen Province, Argentina, the area where the holotype of the type species was found, and Greek, titan, to correspond to a titanosaur specimen.

Species: palomoi FLIPPI, GARCIA & GARRIDO, 2011
Etymology: In reference to Salvador Palomo, technician of the Museo Municipal "Argentino Urquiza", Rincon de los Sauces, Neuquen, who found the specimne and in acknowledgement of his permanent contribution to the local paleontology.

Holotype: MAU-Pv-N-425

Locality: "Puesto Narambuena", situated about 20 km west from Rincon de los Sauces, Neuquen Province, Argentina.

Horizon: Anacleto Formation, Rio Colorado Subgroup, Neuqen Group.

Biostratigraphy:

Age: Lower to Middle Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Left premaxilla, maxillae, braincase, left and right quadrate, anterior cervical vertebrae, cervical rib fragments, poterior dorsal vertebrae, 3 dorsal ribs, 11 anterior caudal vertebrae, 2 middle caudal vertebrae, 2 caudal transverse processes, 2 fragments of haemal arches, left sternal plate, right coracoid, left humerus, left ulna, left and right pubes, pubic penduncle of the left ilium, procimal fragment of the right ischium, and incomplete left femru.