7 Giant Animals That Are EXTINCT (Part 3)

3. Cameroceras – A Giant Sea Predator

Cameroceras was one of the largest sea creatures of its time.

• Lived around 470 million years ago
• Body length around 6 feet
• Shell length up to 24 feet
• Belonged to the cephalopod group (related to squids and octopuses)

It hunted ancient sea scorpions and ruled early oceans. As marine life diversified and new predators appeared, Cameroceras disappeared.