Stock Photo - Trilobite fossil (Diacalymene ouzregui) from Alnif in the Moroccan Sahara. Trilobites are ancient sea creatures that lived millions of years ago, and became extinct before the time of the dinasours. They are one of the most diverse group of extinct species that existed on earth

Stock Photo: Trilobite fossil (Diacalymene ouzregui) from Alnif in the Moroccan Sahara. Trilobites are ancient sea creatures that lived millions of years ago.

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