New hadrosaurid (Dinosauria: Ornithopoda) fossils from the uppermost Cretaceous of central Patagonia and the influence of paleoenvironment on South American hadrosaur distribution

1. Ibiricu, L.M.
2. Casal, G.A.
3. Alvarez, B.N.
4. De Sosa Tomas, A.
5. Lamanna, M.C.
6. Cruzado-Caballero, P.