Paleontologists have uncovered numerous fossils in the Candeleros rocks, including ancient species of fish, frogs, snakes, turtles, small mammals, and several types of dinosaurs. The best known dinosaur found here is Giganotosaurus carolinii, a carnivorous theropod thought to be larger and faster than Tyrannosaurus rex.The Geologic Wonder of the Neuquén Basin, by NASA Earth Observatory, 2018
