Sea life recovered from Permian mass extinction faster than we thought

A diverse set of fossils from China shows that a complex marine ecosystem existed 251 million years ago, shortly after a mass extinction wiped out most complex life on Earth

Sea life recovered from Permian mass extinction faster than we thought
A diverse set of fossils from China shows that a complex marine ecosystem existed 251 million years ago, shortly after a mass extinction wiped out most complex life on Earth