Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               [Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa]
                 [Phylum Myxomycota Margulis, 1996] see Parvphylum Mycetozoa de Bary, 1859 ex Rostafiński, 1873
                   [Class Protosteliomycetes] see Class Protostelea Alexopoulos & Mims, 1979
                     [Order Protostelialesᵀ L.S. Olive & Stoian. ex P.M.Kirk, P.F. Cannon & J.C. David (2001)] see Order Protostelida Olive & Stoianovitch, 1966
                       1 [Family Protosteliaceae L.S. Olive (1962)] see Family Protosteliidae Olive, 1962
                       2 [Family Cavosteliaceae L.S. Olive (1965)] see Family Cavosteliidae Olive, 1965
                       3 [Family Echinosteliopsidaceae]
                       4 [Family Ceratiomyxaceae Schröter (1889)] see Family Ceratiomyxidae Schröter, 1889