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.

Based on the fossil record, ammonites came in a wide range of sizes and shapes, from smaller than an inch to as large as nine feet wide. Some ammonites had long, straight shells, while others had ...