Actually, I just paid attention to the title of this post - I'm not happy any of these wonderful things are extinct, they would make the world a more interesting place if they were still around.
The largest Megalodon jaw ever assembled, the Megalodon dwarfed the Great White shark. It was the largest predator to have ever existed on Earth. The jaw measures 11 feet across and almost 9 feet tall.
Actually, I just paid attention to the title of this post - I'm not happy any of these wonderful things are extinct, they would make the world a more interesting place if they were still around.