SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Trilobite fossil. Fossil of the trilobite Acadoparadoxides briareus. This trilobite lived during the Middle Cambrian period (around 540-523 million years ago). The trilobites are an extinct group of marine arthropods with a hard, segmented shell that is divided into 3 sections. Most were bottom dwellers, feeding and living on organic sediment on the ocean floor. Found in Morocco.
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