1. Organism: Humans
2. Era: Cenozoic, Organism: Humans
3. Era: Cenozoic, Organism: Mammals
4. Organism: Flowering Plants/Angiosperms
5. Era: Mesozoic
6. Era: Mesozoic
7. Organism: Reptiles
8. Era: Paleozoic
9. Era: Paleozoic, Organism: Fishes
10. Era: Paleozoic
11. Era: Paleozoic
12. Era: Paleozoic, Organism: Trilobites