Meet the World's Oldest Animal Species!

The Ancient PioneersSponges are among the oldest living animals, existing for over 600 million years. These simple, filter-feeding creatures have remained largely unchanged since the Cambrian period

With a history spanning over 450 million years, horseshoe crabs have survived unchanged since the time of the dinosaurs. Their unique blue blood is crucial for medical testing

Jellyfish have drifted through Earth's oceans for over 500 million years. Their simple, yet effective, body structure has enabled them to thrive in various marine environments

Nautiluses have been around for about 500 million years. These cephalopods, with their spiral shells, are closely related to ancient squid-like creatures and remain largely unchanged

Once thought extinct, the coelacanth was rediscovered in 1938. This prehistoric fish, dating back 400 million years, offers insights into the transition of life from water to land

Water bears, tardigrades have existed for over 500 million years. Their incredible resilience allows them to survive extreme conditions, from space to deep-sea environments