Extraordinary Evidence Suggests 558-Million-Year-Old Fossil Is the Oldest Known Animal on the Planet

An international team of researchers is claiming to have discovered traces of cholesterol on a fossil of Dickinsonia‚ÄĒa mysterious creature that lived during the primordial Ediacaran Period. This evidence, the researchers say, makes Dickinsonia the oldest known animal in the fossil record. But the discovery is not‚Ķ