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Keywords from Image Description:
Trilobite lobes numbered.svg en Diagram depicting the three longitudinal lobes of the trilobite Left pleural lobe Axial lobe Right pleural lobe trilobites info htm Sam Gon III trilobites info Image SamGonIIIlobes Ch vector Sam Gon III raster Image Trilobite lobesen svg Trilobite whole external body views with legends SVG anatomy