Genus: Zapalasaurus SALGADO CARVALHO & GARRIDO, 2006
Etymology: In reference to Zapala, a city in the province of Neuquen, Argentina, 80 km north of the holotype locality, and Greek, sauros, "lizard": Zapala lizard.

Species: bonapartei SALGADO CARVALHO & GARRIDO, 2006
Etymology: In honor of Dr. J. Bonaparte, who collected the holotype material.

Holotype: Pv-6127-MOZ

Locality: Puesto Morales, La Picaza, 39°33'19"LS, 70°09'11"LO, central Neuquen Province, Patagonia, Argentina.

Horizon: Piedra Parada Member, La Amarga Formation.

Biostratigraphy:

Age: Upper Barremian Stage-Early Aptian Stage, Lower Gallic Subepoch, Middle Early Cretaceous Epoch.

Material: Cervical, sacral and caudal vertebrae, left ischium, left pubis, fragmentary left ilium, anterior left femur, and left tibia.