| FOSSIL NO: | AI0010 |
| AGE: | 50 million years |
| TERM: | Eocene |
| LOCATION: | Kaliningrad, Russia The larvae of the caddisfly are used as fishing bait. Caddisflies have preserved the same structures and characteristics for millions of years, never undergoing any changes. This 50-million-year-old fossil caddis fly is also proof that these living things have never altered. |

