A V* trilobite fossil on display in a natural history museum A close-up of a V* trilobite's intricate exoskeleton A V* trilobite swimming through ancient seas V* trilobites preserved in limestone rock formations V* trilobites of various sizes and species gathered in one location A scientist studying a V* trilobite specimen under a microscope A V* trilobite fossil being excavated from a dig site A V* trilobite fossil on display in a natural history exhibit A V* trilobite encased in amber, perfectly preserved A V* trilobite's head and thorax, magnified for examination