What is the oldest fossil ever found?
What is the oldest fossil ever found? When it comes to fossils, specimens like Sue the Tyrannosaurus rex grab much of the attention. Not only is Sue the most complete T. rex ever found, she’s also a staggering 67 million years old. Compared to the oldest fossils ever found, though, Sue is the new kid on the block [source: Field Museum]. Some of those ancient fossils, known as stromatolites, are more than 50 times older than Sue — 3.45 billion years old, to be exact [source: University of Munster]. It’s hard for us even to fathom such an incredible length of time, but J. William Schopf, the paleobiologist who first discovered the fossils in 1993, helps put things in perspective in his book
