Emily Baldry, an adorable 5-year-old girl from the UK, was doing what a normal kid her age would be doing: Hanging out at with her family and digging. Unlike other normal kids though, she found a 160 million year old fossil. She called it Spike.

In this interview with American Museum of Natural History paleontologist Neil Landman, you'll learn about the ammonites, incredible, ancient creatures who looked like a cross between squid and snail — and once ruled the seas in massive numbers, until they were finally wiped out by the same catastrophe that destroyed…