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Keywords from Image Description:
Trilobite facial suture types. en Diagram showing the three kinds of facial sutures in trilobites Trilobitesectionsnumbered svg UTC Trilobitesectionsnumbered svg Ch vector Sam Gon III raster derivative work Obsidi Soul adapted Obsidian Soul Trilobitesectionsnumbered svg trilobites info htm Sam Gon III trilobites info Image SamGonIIIcepth