Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Phylum Amoebozoa Lühe, 1913 [coordinate rank]
                         Infraphylum Semiconosia Cavalier-Smith, 2012
                           Superclass Macromycetozoa Fiore-Donno et al., 2010
                             Class Myxomycetes Link, 1833
                               Superorder Columellidia Cavalier-Smith, 2012
                                 Order Fuscisporida Cavalier-Smith, 2012
                                   Suborder Physarina Macbride, 1922
                                     Family Didymiidae Rostafiński, 1873
                                       Genus Didymiumᵀ Schrader, 1797
                                         Didymium anellus Morgan, 1894
                                         Didymium aquatile Gottsb. & Nann.-Bremek., 1971
                                         Didymium atrichum Henney & Alexop. (1980)
                                         Didymium clavus (Alb. & Schwein.) Rabenh., 1884
                                         Didymium difforme (Pers.) Gray, 1821
                                         Didymium dubium Rostaf., 1875
                                         Didymium iridis (Ditmar) Fr., 1829
                                         Didymium melanospermum (Pers.) T. Macbr., 1899
                                         Didymium minus (Lister) Morgan, 1894
                                         Didymium nigripes (Link) Fr., 1829
                                         Didymium rugulosporum Kowalski, 1969
                                         Didymium saturnus H.W. Keller, 1970
                                         Didymium squamulosum (Alb. & Schwein.) Fr., 1818
                                         Didymium synsporon T.E. Brooks & H.W. Keller, 1973