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
    
 Superkingdom Metakaryota
 see Domain Eukaryota Chatton, 1925
      
 Kingdom Protozoa Goldfuss, 1818 - protozoa
        
 Subkingdom Adictyozoa Cavalier-Smith, 1993 [monotypic]
          
 Phylum Percolozoa Cavalier-Smith, 1992
            
 Subphylum Tetramitia Cavalier-Smith, 1993
              
 Superclass Percolomonada Cavalier-Smith, 1993 [monotypic]
 see Order Percolomonadida Cavalier-Smith, 1993
                
 Class Percolomonadea Cavalier-Smith, 1993 [monotypic]
 see Order Percolomonadida Cavalier-Smith, 1993
                  
 Order Percolomonadida Cavalier-Smith, 1993
                    
 1 Genus Percolomonas T. Fenchel & D.J. Patterson, 1986