150 million years ago, Laurasia .The massive neck dips, casting a curving shadow on the mossy ground. The dinosaur’s jaws close around its prize. The creature lifts its head, nearly dainty in scale, and contentedly gnaws a mouthful of ferns. 150 million years ago, Laurasia .The massive neck dips, casting a curving shadow on the mossy ground. The dinosaur’s jaws close around its prize. The creature lifts its head, nearly dainty in scale, and contentedly gnaws a mouthful of ferns. Paleontology & Fossils Phys.org – latest science and technology news stories