16 Ancient Animals That Make Us Glad They’re Extinct

In the 4.5 billion years Earth has been around, it's been host to some truly awful beasts. From the enormous snake-like whale that ate sharks, to the tiny walking worm covered in spikes, nature is truly the worst.

Source: March Onto Land: The Silurian Period to the Middle Triassic Epoch

Source: BBC Earth

Source: Scientific American

Source: National Park Service

Source: Wired

Source: National Geographic

Source: BBC

Source: NPR


Source: Scientific American

Source: Live Science

Source: New York Times

Source: Nature

Source: National Geographic

Source: BBC

Source: Science Magazine