8 ancient animals still roaming since pre-dinosaur era

Horseshoe Crab - These ancient marine arthropods have been around for over 450 million years.

Coelacanth - A deep-sea fish believed to have been extinct until rediscovered in 1938, it dates back over 400 million years.

Nautilus - This cephalopod mollusk has existed for about 500 million years and has changed very little.

Sharks - Sharks have been around for more than 400 million years, predating dinosaurs by a significant margin.

Lamprey - These jawless fish have been around for more than 360 million years.

Alligator - The ancestors of modern alligators have been around for over 150 million years.

Cockroach - These insects have been around for about 300 million years.

Jellyfish - Jellyfish have been around for over 500 million years and are among the oldest living creatures on Earth.

This information is not DNA's opinion but obtained from media reports