Trilobite fossils. Two Diacalymene ouzregui trilobite fossils. The trilobites are an extinct group of marine arthropods with a hard shell that is divided into 3 sections. They were common from the Lower Cambrian to the Upper Permian period (around 543-248 million years ago). Most trilobites were bottom dwellers,feeding either on organic sediment or by catching their own prey. Specimens from Alnif,Sahara Desert,Morocco | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Stammers, Sinclair |
Bildgröße: | 5179 px × 3756 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |