Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Quadrupedia nom. inval. - quadrupeds see Class Mammalia Linnaeus, 1758
           Order Anthropomorpha nom. inval. see Order Primates Linnaeus, 1758
             Genus Bradypus nom. inval. see Genus Bradypus Linnaeus, 1758
               1 Ai nom. inval. see Bradypus tridactylus Linnaeus, 1758
               1.0 Ignavus nom. inval. see Bradypus tridactylus Linnaeus, 1758
               2 Tardigradus nom. inval. see Bradypus didactylus Linnaeus, 1758