![Ichthyostega floating color by dustdevil on deviantART | Prehistoric creatures, Prehistoric world, Prehistoric animals Ichthyostega floating color by dustdevil on deviantART | Prehistoric creatures, Prehistoric world, Prehistoric animals](https://i.pinimg.com/originals/95/f4/6a/95f46a58fcb91c0ebe6a3fc536ff4803.jpg)
Ichthyostega floating color by dustdevil on deviantART | Prehistoric creatures, Prehistoric world, Prehistoric animals
![Pikaia is a genus of animal from the Cambrian Period. It was about an inch and a half long, and loo… | Prehistoric animals, Prehistoric creatures, Prehistoric world Pikaia is a genus of animal from the Cambrian Period. It was about an inch and a half long, and loo… | Prehistoric animals, Prehistoric creatures, Prehistoric world](https://i.pinimg.com/originals/70/c9/8c/70c98c84b788536c10fe29470eef93f4.jpg)
Pikaia is a genus of animal from the Cambrian Period. It was about an inch and a half long, and loo… | Prehistoric animals, Prehistoric creatures, Prehistoric world
![Tullimonstrum was a thing that existed. It lived in what is today Illinois in the United States of America, and only one species is currently known, T. gregarium. Art by Gabuded on Tullimonstrum was a thing that existed. It lived in what is today Illinois in the United States of America, and only one species is currently known, T. gregarium. Art by Gabuded on](https://i.redd.it/83ur3fqjll2a1.png)