Science at FMNH : Ep. 15 - Trilobite Evolution
Approximately 515 to 495 million years ago, western Utah and eastern Nevada were covered by shallow seas. The rock record shows that the trilobites in this area were changing as the depth of the seas increased.
- Ep. 14 - Presolar Grains & Solar System Formation
- Ep. 16 – Illinois 300 million years ago
- Ep. 17 – Wyoming 52 million years ago