Phylum Amoebozoa Lühe, 1913
   Subphylum Conosa Cavalier-Smith, 1998 see Infraphylum Conosa Cavalier-Smith, 1998
     Infraphylum Mycetozoa de Bary, 1859 ex Rostafinski, 1873 see Superclass Mycetozoa de Bary, 1859 ex Rostafinski, 1873
       Class Myxogastrea Fries, 1829
         Order Parastelida T. Cavalier-Smith, in T. Cavalier-Smith et al., 2004 see Order Protosteliida Olive & Stoianovitch, 1966
           1 Family Ceratiomyxidae Schröter, 1889