Genus: Barrosasaurus SALGADO & CORIA, 2009
Etymology: In reference to Sierra Barrosa, Neuquen Province, Patagonia, Argentina, the locality where the holotype
of the type species was found, and Greek, sauros, "lizard or reptile."
Species: casamiquelai SALGADO & CORIA,
2009
Etymology: In honor of the late Rodolfo Casamiquela (1932-2008) for his important
contributions to the development of Argentinean Earth Sciences.
Holotype: MCF-PVPH-447/1-3
Locality: Sierra Barrosa, 38°50'27"S, 68°50'28"W, Neuquen Province, Patagonia, Argentina.
Horizon: Lower Anacleto Formation, Rio Colorado Subgroup, Neuquen Group.
Biostratigraphy:
Age: Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Breakdown as follows;
MCF-PVPH-447/1, 2: 2 posterior dorsal vertebrae.
MCF-PVPH-447/3: 1 anterior dorsal vertebra.