Trilobites in Palaeozoic sea, illustration. Trilobites were a diverse group of extinct marine arthropods that first appeared in the fossil record in the Early Cambrian (521 million years ago) evolving rapidly during the Cambrian Explosion and lived through the Ordovician, Silurian, Devonian, Carboniferous and went extinct during the Permian mass extinction (250 million years ago). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / RICHARD JONES |
Bildgröße: | 5307 px × 2985 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |