SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Trilobite fossil. Fossilised Paradoxides sp. trilobite. The Paradoxides group lived during the Middle Cambrian period (around 530 million years ago). It had a wide distribution, being found in regions now covered by the land masses of Europe, North America, northern Africa, Asia and Australia. Trilobites are extinct marine arthropods with a hard, segmented shell that is divided into 3 sections. Most were bottom dwellers, hunting or feeding on organic sediment on the ocean floor. Many trilobites could roll themselves into a ball when threatened, ensuring that only the hard shell was exposed to attackers. Found in Morocco.
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