crocodiles

Deadly prehistoric crocodiles mimicked the anatomy of dolphins and whales to dominate Jurassic seas 170 million years ago, new research shows.  Scottish researchers say the extinct crocs, called thalattosuchians, evolved from their land-roaming ancestors to become fast swimming predators.  The 33-foot-long creatures adapted their limbs into flippers, streamlined their bodies and formed whale-like fluked tails … Read more