Add Yahoo as a preferred source to see more of our stories on Google. The fossil of the Cambrian Period marine arthropod Fuxianhuiid, with gut preserved, discovered in Hunan province in southern China ...

The fossil of the Cambrian Period marine arthropod Fuxianhuiid, with gut preserved, discovered in Hunan province in southern China and dating to around 512 million years, is seen in this photograph ...

BEIJING — Scientists have unearthed in southern China fossils of a multitude of marine creatures dating to more than a half billion years ago, showing a deep-water ecosystem thriving in the aftermath ...

Cambrian Period fossils date to about 512 million years ago Fossils show invertebrates of various shapes and sizes They reveal animal legs, gills, guts, eyes and even nerves Jan 28 (Reuters) - ...