Asencio FormationThe Asencio Formation is a geological formation in the Paraná Basin of southwestern Uruguay whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.Vertebrate paleofauna Neuquensaurus australis Laplatasaurus araukanicus ''Antarctosaurus wichmannianus''Fossil eggs Sphaerovum erbeni ''Tacuarembovum oblongum''Trace fossils Teisseirei Elipsoideichnus meyeri ''Corimbatichnus''