#family_Hippopotamidae__Hippopotamidae  hippopotami
  supertype:  #mammal_family  a family of mammals
  member of:  #order_Artiodactyla
  member:  #genus_Hippopotamus  type genus of the Hippopotamidae
     member:  #hippopotamus__hippo__river_horse__riverhorse__Hippopotamus_amphibius  massive thick-skinned herbivorous animal living in or around rivers of tropical Africa

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