Based on the fossil ... ammonites had simple suture lines traced across their shells, while the sutures on species from the Cretaceous period (145 to 66 million years ago) formed intricate ...

Nine-year-old Eli spotted a 200-million-year-old fossil in a rocky cliff face A nine-year-old fossil hunter had the find of his life when he stumbled on a 200-million-year-old ammonite. Eli was ...