↑Weishampel, David B et al. (2004). "Dinosaur distribution (Late Cretaceous, South America)." A: Weishampel, David B.; Dodson, Peter i Osmólska, Halszka (editors): The Dinosauria, 2nd, Berkeley: University of California Press. P. 600-604. ISBN 0-520-24209-2. (anglès)
↑Rauhut, O.W.M., Cladera, G., Vickers-Rich, P. i Rich, T.H. (2003). "Dinosaur remains from the Lower Cretaceous of the Chubut Group, Argentina." Cretaceous Research, 24(5): 487-497. doi:10.1016/S0195-6671(03)00067-3 (anglès)