[Scala naturae Aristoteles, nom. inval.]
   ["Animalia" nom. inval.] see Kingdom Animalia nom. inval.
     ["ánhaima" Aristoteles, nom. inval. - bloodless animals]
       [Class "malákia" Aristoteles, nom. inval. - cephalopod mollusks] see Class Cephalopoda Cuvier, 1795
         1 ["polúpous" Homerus, nom. inval.] see [unranked] polypous Homerus, nom. inval.
         1 ["polypous" Homerus, nom. inval.] see Order Octopoda Leach, 1817