[Kingdom] Animalia Linnaeus, 1758 - animals
   Grade Plastidozoa [monotypic]
     [Phylum] Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818
       Grade Gymnomyxa
         Class Gymnomyxa
           1 Order Homogenea
           2 Order Reticularia (Frederiks, 1915)
           3 Order Amœboidea
           4 Order Flagellata see Class Flagellata
           5 Order Catallacta
           6 Order Labyrinthulida Lankester, 1877 - labyrinthulids
           7 Order Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902