[life]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Empire Eukaryota (Chatton, 1925)
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Protozoa Goldfuss, 1818 - protozoa
      
 Subkingdom Biciliata
        
 Infrakingdom Excavata T. Cavalier-Smith, 2002
 see Supergroup Excavata Cavalier-Smith, 2002
          
 Phylum Loukozoa Cavalier-Smith, 1999