Final answer:
Some animals that lived on Earth before dinosaurs include Titanoboa, Mosasaurus, and Megalodon.
Step-by-step explanation:
Some of the animals that lived on Earth before dinosaurs were:
- Titanoboa - the largest known snake that lived approximately 60-58 million years ago.
- Mosasaurus - a giant marine lizard that lived during the Late Cretaceous period.
- Megalodon - an extinct species of shark that lived around 23 to 2.6 million years ago.
Learn more about animals that lived before dinosaurs