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Discover 10 Crazy Prehistoric Animals That Ruled the World Millions of Years Ago – and They're Not Dinosaurs

Amazing Animals That Existed Millions Of Years Before The Dinosaurs

September 8

Life existed for hundreds of millions of years before the dinosaurs roamed the Earth. In fact, more than 90 percent of species that have lived over the course of Earth's 4.5-billion-year history are now extinct. Many of these extinct species were amazing creatures that would seem strange and wonderful to us today.

Here are 10 crazy prehistoric animals that once ruled the world:

1. Hallucigenia: This bizarre creature lived during the Cambrian period, about 500 million years ago. It had a long, worm-like body with a series of spines on its back. At the front of its body, it had a pair of tentacles that it used to grab food.
2. Anomalocaris: This giant shrimp-like creature lived during the Cambrian period. It was one of the largest predators of its time, and it used its powerful claws to catch and eat other animals.
3. Tully Monster: This strange creature lived during the Carboniferous period, about 300 million years ago. It had a long, slender body with a series of fins on its back. At the front of its body, it had a pair of large eyes and a mouth that was surrounded by tentacles.
4. Helicoprion: This shark-like creature lived during the Permian period, about 270 million years ago. It had a spiral-shaped tooth whorl in its lower jaw. This tooth whorl was used to crush the shells of its prey.
5. Dunkleosteus: This giant fish lived during the Devonian period, about 380 million years ago. It was one of the largest fish of all time, and it used its powerful jaws to crush the bones of its prey.
6. Dimetrodon: This sail-backed reptile lived during the Permian period. It was one of the largest land animals of its time, and it used its sail to regulate its body temperature.
7. Gorgonops: This saber-toothed reptile lived during the Permian period. It was one of the most fearsome predators of its time, and it used its powerful jaws to kill its prey.
8. Edaphosaurus: This sail-backed reptile lived during the Permian period. It was one of the largest land animals of its time, and it used its sail to regulate its body temperature.
9. Arambourgiania: This giant crocodile-like creature lived during the Cretaceous period, about 100 million years ago. It was one of the largest predators of its time, and it used its powerful jaws to crush the bones of its prey.
10. Deinosuchus: This giant crocodile-like creature lived during the Cretaceous period. It was one of the largest predators of its time, and it used its powerful jaws to crush the bones of its prey.

These are just a few of the crazy prehistoric animals that once ruled the world. These creatures were amazing and diverse, and they played a vital role in the history of life on Earth.