Natura - nature
  
 actualia - actual entities
    
 Mundus Plinius - physical world
      
 naturalia - natural bodies
        
 Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
          
 Clade neomura Cavalier-Smith, 1987
            
 Domain Eukaryota Chatton, 1925 - eukaryotes
              
 Clade discaria Cavalier-Smith, 2021
                
 Clade natates Cavalier-Smith, 2021
                  
 Clade photaria Cavalier-Smith, 2021
                    
 Clade eucorta Cavalier-Smith, 2021
                      
 Superkingdom Corticata Lankester, 1878 - corticates
                        
 Kingdom Chromista Caval.-Sm. (1981) - chromists
                          
 Subkingdom Harosa Cavalier-Smith, 2010
                            
 Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                              
 Infrakingdom Rhizaria Cavalier-Smith, 2002
                                
 Phylum Cercozoa Cavalier-Smith, 1998
                                  
 Subphylum Monadofilosaᵀ Cavalier-Smith, 1997
                                    
 Class Sarcomonadea Cavalier-Smith, 1993
                                      
 Order Cercomonadida Poche, 1913 - cercomonads
                                        
 Family Cercomonadidaeᵀ Kent, 1880
                                          
 Genus Cercomonasᵀ F. Dujardin, 1841
                                            
 Cercomonas activus (Mylnikov, 1987) Mylnikov, 1992
                                            
 Cercomonas acutus (Skuja, 1948) A.P. Myl'nikov & S.A. Karpov, 2004
                                            
 Cercomonas agilis (Moroff, 1904) A.P. Myl'nikov & S.A. Karpov, 2004
                                            
 Cercomonas alexeieffi (Lemmermann, 1914) A.P. Myl'nikov & S.A. Karpov, 2004
                                            
 Cercomonas alternans (G.A. Klebs, 1892) A.P. Myl'nikov & S.A. Karpov, 2004
                                            
 Cercomonas angustus (Skuja, 1948) Myl'nikov & Karpov, 2004
                                            
 Cercomonas bodo (H. Meyer, 1897) A.P. Myl'nikov & S.A. Karpov, 2004
                                            
 Cercomonas breviantennatus (Skuja, 1956) Myl'nikov & Karpov, 2004
                                            
 Cercomonas chromatiophagus (Skuja, 1939) Myl'nikov & Karpov, 2004
                                            
 Cercomonas cometa (Hollande, 1942) Mylnikov, 1992
                                            
 Cercomonas crassicauda Dujardin, 1841
                                            
 Cercomonas cylindrica Dujardin, 1841
                                            
 Cercomonas dactylopterus (Skuja, 1939) Myl'nikov & Karpov, 2004
                                            
 Cercomonas digitalis (H. Meyer, 1897) A.P. Myl'nikov & S.A. Karpov, 2004
                                            
 Cercomonas draco (Skuja, 1956) Myl'nikov & Karpov, 2004
                                            
 Cercomonas dubius (Skuja, 1939) Myl'nikov & Karpov, 2004
                                            
 Cercomonas fusiformis Dujardin, 1841
                                            
 Cercomonas gigantica Mylnikov, 2002
                                            
 Cercomonas grandis Maskell, 1886
                                            
 Cercomonas granulatus Lee & Patterson, 2000
                                            
 Cercomonas granulifera (Hollande, 1942) Myl'nikov & Karpov, 2004
                                            
 Cercomonas heimi (Hollande, 1942) Myl'nikov & Karpov, 2004
                                            
 Cercomonas incurvus (Skuja, 1939) Myl'nikov & Karpov, 2004
                                            
 Cercomonas kiaerdammane Mylnikov, 2002
                                            
 Cercomonas laciniaegerens (Krassiltschik, 1886) Myl'nikov & Karpov, 2004
                                            
 Cercomonas lagoenaris (Hamar, 1979) Myl'nikov & Karpov, 2004
                                            
 Cercomonas levis (Skuja, 1939) Myl'nikov & Karpov, 2004
                                            
 Cercomonas longicaudaᵀ Dujardin, 1841
                                            
 Cercomonas metabolicus (Mylnikov, 1987) Mylnikov, 1992
                                            
 Cercomonas minimus (Mylnikov, 1985) Mylnikov, 1992
                                            
 Cercomonas norrvicensis (Skuja, 1956) Myl'nikov & Karpov, 2004
                                            
 Cercomonas onustus (Skuja, 1939) Myl'nikov & Karpov, 2004
                                            
 Cercomonas ovata (Dujardin, 1841) Tong, Vørs & Patterson, 1997
                                            
 Cercomonas pachypus (Skuja, 1932) Myl'nikov & Karpov, 2004
                                            
 Cercomonas plasmodialis (Mylnikov, 1985) Mylnikov, 1992
                                            
 Cercomonas pronucleatus (Skuja, 1948) Myl'nikov & Karpov, 2004
                                            
 Cercomonas pseudodactylopterus (Skuja, 1948) Myl'nikov & Karpov, 2004
                                            
 Cercomonas pyriformis (Skuja, 1956) Myl'nikov & Karpov, 2004
                                            
 Cercomonas radiatus (Klebs, 1892) Myl'nikov & Karpov, 2004
                                            
 Cercomonas rhacodes (Skuja, 1939) Myl'nikov & Karpov, 2004
                                            
 Cercomonas rhacodytes (Klug, 1936) Myl'nikov & Karpov, 2004
                                            
 Cercomonas rhynchophorus (Skuja, 1939)
                                            
 Cercomonas robustus (Hamar, 1979) Myl'nikov & Karpov, 2004
                                            
 Cercomonas simplex (Moroff, 1904) Myl'nikov & Karpov, 2004
                                            
 Cercomonas typicus Kent, 1880
                                            
 Cercomonas varians (Skuja, 1948) Mylnikov, 1992
                                            
 Cercomonas venticosus (Hamar, 1979) Myl'nikov & Karpov, 2004
                                            
 Cercomonas vibrans (Sandon, 1927) Myl'nikov & Karpov, 2004