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Keywords from Image Description:
Cypraea mappa map comparison. The color pattern of the shell of Leporicypraea mappa synonym Cypraea mappa left compared to an ancient Chinese topographic map right Cypraeamappa WesternHanMawangduiSilkMap UTC Cypraeamappa User Clmiadfl WesternHanMawangduiSilkMap Anonymous ancient Chinese cartographer derivative work Daniel