Are Sharks older than dinosaurs?

Related questions

1. What caused the last ice age to end?
2. How thick was the ice in the last Ice Age?
3. What life survived the dinosaur extinction?
4. How often does the Earth have an ice age?
5. Will there be another ice age?
6. Why do ice ages occur?
7. Can an ice age happen again?
8. How did the dinosaurs die?
9. Do humans share 50 DNA with bananas?
10. How often do ice ages occur?

Tags

1. #creatures
2. #animals
3. #defined
4. #survived
5. #million
6. #tenacious
7. #other
8. #often
9. #right
10. #lived
11. #period
12. #thrived
13. #wiped
14. #certainly
15. #sixty
16. #sharks
17. #dinosaurs
18. #during
19. #years
20. #cretaceous