With the new Jurassic Park movie raking in millions of dollars at the box office, dinosaurs are once again at the front of public consciousness. But millions of years ago, when there was very little public consciousness, were there dinosaurs running around what is now Illinois?
Two 308 million-year-old fossils show creatures caught in evolutionary limbo between two forms:lizard-like and snake-like. The animals sinuous, serpentine bodies have no front limbs, but sport two teeny lizard legs in the back.