Sharks have been on Earth longer than trees.
Some species of trees that line city streets predate the dinosaurs by millions of years, but when it comes to the truly ancient, you need to look to the oceans. Sea-dwelling creatures have a many-millions-of-years head start on any terrestrial life-forms. Take, for instance, the shark: This apex predator of the sea has been stalking the world’s oceans for upwards of 450 million years. Meanwhile, the very first forests filled with Earth’s very first trees, in the genera Wattieza and Archaeopteris, likely didn’t sprout on land until the mid-Devonian period some 385 million years ago. However, it’s worth noting that the animals some scientists consider the first “sharks” likely didn’t look like the magnificent predators of today. First appearing in the Late Ordovician, these creatures sported shark-like scales, but likely didn’t yet possess the species’ most memorable trait — a terrifying set of teeth.
Surviving that long as a species is no easy feat. Only a few million years after the shark’s appearance on the world stage, these proto-sharks (along with the rest of life on Earth) suffered through the Late Ordovician mass extinction. This event was the first of five major extinction events in Earth’s history, and sharks survived them all; not even trees can add such an impressive accolade to their resume. So the next time you cross paths with a shark, whether behind the glass of an aquarium or on-screen in the act of devouring the residents of Amity Island, don’t forget to marvel at this amazing animal’s incredible story of survival.
Duh duh, duh duh.