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Keywords from Image Description:
Flusspferd Kopfskelettdrawing. Source Zimmermann Description Original caption Fig Kopfskelett des Flupferdes Translation partly Skull of hippopotamus Size in cm Source Illustrierter Leitfaden der Naturgeschichte des Thierreiches Unidentified Hippopotamus Hippopotamidae skulls Illustrierter Leitfaden der Naturgeschichte des