A Basal Lithostrotian Titanosaur (Dinosauria: Sauropoda) with a Complete Skull: Implications for the Evolution and Paleobiology of Titanosauria. oleh Rubén D F Martínez, Matthew C Lamanna, Fernando E Novas, Ryan C Ridgely, Gabriel A Casal, Javier E Martínez, Javier R Vita, Lawrence M Witmer