Ancient fossils (IMAGE)

University of Colorado at Boulder

Ancient fossils

Caption

Two fossils of Brooksella alternata, an invertebrate animal that swam in the ocean roughly 500 million years ago.

Credit

Glenn Asakawa/CU Boulder

Usage Restrictions

Credit must be given to the creator.

License

CC BY

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.