Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Echinodermata Bruguière, 1789 - echinoderms
           Class Asteroidea Blainville, 1830 - sea stars
             Subclass Euasteroidea Sladen, 1889
               1 Order Platyasterida Spencer, 1951
               2 Order Phanerozonida Sladen, 1889
               3 Order Spinulosida Perrier, 1884
               4 Order Euclasterida
               5 Order Forcipulatida Perrier, 1884