New Discovery Shows Humans Earliest Ancestor Was An Anus Less Mouth
The fossil is about 540 million years old. Feast your eyes on your great-great-great-great-times-about-540-million, grandparent. It’s a millimeter-sized, anus-lacking blob that mostly consisted of a giant mouth — and it’s said to be the “oldest human ancestor.” The Saccorhytus was a tiny sea creature that lived between grains of sand in the ancient oceans. It had a bag-like, vaguely symmetrical body covered in muscles and thin skin, and a big mouth surrounded by four tiny cones....