Sketch Assortment I’ve made of the fauna of the Campanian-aged (approx. 83–74.5 mya) Anacleto Formation of Patagonia, which is famous for the Auca Mahuevo nesting site where hundreds of titanosaurs came to lay their eggs in shallow pits which they dug with their hind feet and left for the hatchlings to fend for themselves.
Page 1, from top to bottom: Aucasaurus, Gasparinisaura, Abelisaurus, Neuquensaurus, Aerosteon and a giant, indeterminate Megaraptoran
Page 2, from top to bottom: Antarctosaurus, Barrosaurus, Chadititan, Laplatasaurus, Narambuenatitan, Pitekunsaurus, and Gasparinisuchus





















