#family_Rhinocerotidae__Rhinocerotidae__rhinoceros_family  rhinoceroses
  supertype:  #mammal_family  a family of mammals
  member of:  #order_Perissodactyla
  member:  #rhinoceros__rhino  massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout
  member:  #genus_Rhinoceros  type genus of the Rhinocerotidae
     member:  #Indian_rhinoceros__Rhinoceros_unicornis  having one horn
     member:  #woolly_rhinoceros__Rhinoceros_antiquitatis  extinct thick-haired species of arctic regions
  member:  #genus_Ceratotherium__Ceratotherium  African genus
  member:  #genus_Diceros__Diceros  most common species in Africa
     member:  #black_rhinoceros__Diceros_bicornis  African rhino; in danger of extinction

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