[Scala naturae Aristoteles, nom. inval.]
   ["Animalia" nom. inval.] see Kingdom Animalia nom. inval.
     ["ánhaima" Aristoteles, nom. inval. - bloodless animals]
       ["malakóstraka" Aristoteles, nom. inval. - crustaceans] see Class Malacostraca Latreille, 1802
         ["ἀστακοί" nom. inval.]
           ["astakos" nom. inval. - common lobster] see Homarus gammarus (Linnaeus, 1758)