organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Myxomycota Margulis, 1996 see Parvphylum Mycetozoa de Bary, 1859 ex Rostafiński, 1873
       Class Echinostelida Martin, 1961 see Order Echinosteliales G.W. Martin (1961)
         1 Family Echinosteliidae Rostafinski, 1873
         2 Family Clastodermidae C.J. Alexopoulos & T.E. Brooks, 1971