From Worms to Stars

Dr Imran Rahman charts the evolution of echinoderms - starfish, sea urchins and their relatives - from worm-like animals to star shaped ones.

Starfish, sea urchins and their relatives belong to a major group of animals called the echinoderms, which possess a very rich fossil record dating back over half a billion years that sheds light on their evolution from worm-like animals to star-shaped ones.