Across
- 1. Abundant Reptiles
- 2. Era with Quarternary, Neogene, and Paleogene periods
- 3. Homosapiens
- 5. Earliest Grasses
- 7. Era with Cretaceous, Jurassic, and Triassic periods
- 8. Earliest insects
- 9. Abundant Dinosaurs and ammonoids
- 10. Abundant fish
Down
- 1. Continents together
- 4. Extinction by Meteor
- 5. First Eon
- 6. Earth's First Coral Reefs