life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Superkingdom Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925
  Count: -
     Kingdom Protoctista Hogg, 1860
    Count: [p] 30p
       "Amitochondriates"
      Count: [p] 2p3c2o4f41g4s
         Phylum Archaeprotista
        Count: [c] 3c2o4f36g3s
           Class Metamonada Grassé, 1952 see Phylum Metamonada Grassé, 1952
          Count: 9g
             Subclass Retortamonadida see Order Retortamonadida Grassé, 1952
            Count: 2g
               Genus Chilomastix Alexeieff, 1910
              Count: -
               Genus Retortamonas Grassi, 1879
              Count: -