eukaryotes
 see Domain Eukaryota Chatton, 1925
  
 Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
    
 Subkingdom Eozoa Cavalier-Smith, 1997 [paraphyletic]
 see Infrakingdom Eozoa Cavalier-Smith, 1997
      
 Infrakingdom Excavata T. Cavalier-Smith, 2002 [paraphyletic]
 see Supergroup Excavata Cavalier-Smith, 2002
        
 Phylum Loukozoa Cavalier-Smith, 1999 [paraphyletic]
          
 Subphylum Eolouka Cavalier-Smith, 2012 [paraphyletic]
            
 1 Class Tsukubea Cavalier-Smith, 2012 [monotypic]
 see Class Tsukubamonadea Cavalier-Smith, 2012
            
 2 Class Jakobea Cavalier-Smith, 1997 [monotypic]