科学名：Trilobita Period: Early Cambrian Origin: Yunnan, China Trilobita Size：3.5cm Description: A small Cambrian trilobite preserved on a split shale slab. The specimen shows a broad cephalon, segmented thorax, central axial lobe, and lateral pleural ribs, representing the typical three-lobed body plan of trilobites.
科学名：Trilobita Period: Early Cambrian Origin: Yunnan, China Trilobita Size：3.5cm Description: A small Cambrian trilobite preserved on a split shale slab. The specimen shows a broad cephalon, segmented thorax, central axial lobe, and lateral pleural ribs, representing the typical three-lobed body plan of trilobites.
