New Discovery Shows Humans’ Earliest Ancestor Was A Tiny, Anus-Less Mouth
The fossil is about 540 million years old.
By All That's Interesting
•
Jan 31, 2017
Science News
New Discovery Shows Humans’ Earliest Ancestor Was A Tiny, Anus-Less Mouth
The fossil is about 540 million years old.
By All That's Interesting
•
January 31, 2017