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 Dictyozoa Cavalier-Smith, 1991
          
 Branch Bikonta Cavalier-Smith, 1993
            
 Infrakingdom Neozoa Cavalier-Smith, 1993
              
 Parvkingdom Neosarcodina Cavalier-Smith, 1993
                
 Phylum Rhizopoda Dujardin, 1835 - rhizopods
 see Phylum Cercozoa Cavalier-Smith, 1998
                  
 Class Filosea Leidy, 1879 - filose amebas
                    
 Subclass Cristivesiculatia Page, 1987 [monotypic]
                      
 Order Vampyrellida West, 1901
                        
 Family Arachnulidae Page, 1987
 see Family Vampyrellidae Zopf, 1885