Condonts

Condonts

Condonts are quite common in ancient rocks that are aged between about 500 million years and 200 million years. They were organisms that swam in the sea, but they weren't actually fish. They were more primitive than fish.


Acknowledgements

Condonts reproduced courtesy of P Fernandes Trebaruna. This file is licensed under the Creative Commons Attribution 3.0 Unported license http://creativecommons.org/licenses/by/3.0/deed.en