Sharks are older than trees
One is a fish, the other the backbone of every forest. Were sharks really swimming the oceans before the first tree took root?
Myth or fact? Reveal
Fact. The shark lineage goes back around 450 million years, and its fossils appear before those of any tree. Sharks have since come through five mass extinctions.
— Josh Davis, Natural History Museum, London, Shark evolution: a 450 million year timeline