Share Fear of the oceans, or thalassophobia, is an understandable emotional reaction. The environment is dark, inhospitable to humans, and contains some of the planet’s biggest and weirdest creatures. But you can take some small comfort in the knowledge that, at the very least, evolution saved us from deep sea crocodiles. Crocodilian ancestors known as thallatosuchians roamed the middle Jurassic and early Cretaceous eras (roughly 191-113 million years ago) and comprised two primary groups, teleosauridae and metriorhynchidae. While fossil evidence indicates the former resembled today’s crocodiles, the latter evolved streamlined,…