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
               "protists" incertae sedis
                 "parasitic protists"
                   01 ?Genus Protomonas Haeckel, 1866
                   02 Genus Amylophagus Scherffel, 1925
                   03 Genus Aphelidiopsis Scherffel, 1925
                   04 Genus Barbetia Dangeard, 1886
                   05 Genus Bertarellia
                   06 Genus Cingula Averincev, 1916, nom. illeg.
                   07 Genus Cytamoeba
                   08 Genus Diplophysalis Zopf, 1885
                   09 Genus Ducelleria
                   10 Genus Ectobiella de Bruyne, 1890
                   11 Genus Endobiella de Bruyne, 1888
                   12 Genus Endomonas Zopf, 1887
                   13 Genus Eperythrocytozoon
                   14 Genus Gymnococcus Zopf, 1884
                   15 Genus Haematotractidium
                   16 Genus Immnoplasma
                   17 Genus Lymphocytozoon
                   18 Genus Lymphosporidium
                   19 Genus Myrmicisporidium
                   20 Genus Neurosporidium
                   21 Genus Palisporomonas
                   22 Genus Paraplasma
                   23 Genus Physcosporidium
                   24 Genus Piridium
                   25 Genus Polysporella Zopf, 1887
                   26 Genus Protenterospora
                   27 Genus Protomyxa Haeckel, 1868
                   28 Genus Pseudosporopsis Scherffel, 1925
                   29 Genus Sergentella
                   30 Genus Serpentoplasma
                   31 Genus Sphaerasuctans
                   32 Genus Spiriopsis
                   33 Genus Spirogregarina
                   34 "X-cells"
                   x [Genus Bertramia Mesnil & Caullery, 1897] see Genus Bertramia Mesnil & Caullery (1897)
                   x [Genus "Rhyncodinium" nom. null.] see Genus Rhynchodinium Cunha & Penido, 1927