A New Basal Sauropodomorph (Dinosauria: Saurischia) from Quebrada del Barro Formation (Marayes-El Carrizal Basin), Northwestern Argentina

, as well as more derived forms, including several massospondylids. Until now, the Massospondylidae were the group of basal sauropodomorphs most widely spread around Pangea with a record in almost all continents, mostly from the southern hemisphere, including the only record from Antarctica. within the Massospondylidae. Moreover, the results suggest that massospondylids achieved a higher diversity than previously thought. suggest a younger age for the Quebrada del Barro Formation than previously postulated