fossil trilobite extinct marine arthropod embedded sedimentary rock |
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| navigate by keyword : years wood wildlife wellpreserved wall used trunk trilobites trilobite thorax textured temple tail studying soil shows segmented sedimentary sculpture sand rock riblike reptile relief pygidium prehistoric pleura paleozoic million marine lived light leaf layered iron indicating hues head gray geology generated fossil formation fanshaped extinct exoskeleton era environments embedded drawing distinct cephalon carving brown body biostratigraphy arthropod art appearance animal 250 |
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| Fossil of a trilobite, an extinct marine arthropod, embedded in sedimentary rock. The fossil shows a well-preserved exoskeleton with a segmented body, distinct head (cephalon), thorax with rib-like pleura, and fan-shaped tail (pygidium). The rock has a textured, layered appearance with gray and light brown hues, indicating sedimentary formation. Trilobites lived during the Paleozoic Era, over 250 million years ago, and are often used for biostratigraphy and studying prehistoric marine environments. |
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