Lebewesen see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Superkingdom Eukaryonta see Domain Eukaryota Chatton, 1925
  Status: extant
     Suprakingdom Contophora (T. Christensen, 1962)
    Status: extant
       Kingdom Flagelloopalinida see Phylum Zoomastigina
      Status: extant
         Phylum Opalinidea see Class Opalinatea Wenyon, 1926
        Status: extant