An artist’s rendering showing Deinosuchus schwimmeri emerging from the water and preying on an Appalachiosaurus. The rendering demonstrates how its size and scope, compared to those of its prey, earned it its dinosaur-killer “terror croc” reputation. “Reaper in Paradise.” Credit: Bob Nicholls, 2003, edited Dr. David Schwimmer, a leading authority on the massive North American crocodilian genus Deinosuchus and a geology professor at Columbus State University, has helped bring a prehistoric giant