Giant Crocodylians Ruled South America’s Ancient Food Chain

Fossil bite marks suggest giant crocodylians, especially Purussaurus neivensis, dominated large prey hunting in Miocene South America. More than 10 million years ago, a vast lake spread across much of South America, surrounded by an extraordinary collection of predators and prey. Giant turtles and crocodylians occupied its waters, while anacondas, saber-toothed mammals, flightless “terror birds,” [...]