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 Discoba Simpson 2009
                      
 Superphylum Discicristata Cavalier-Smith, 1998 [coordinate rank]
                        
 Phylum Euglenozoa Cavalier-Smith, 1981
                          
 Subphylum Glycomonada Cavalier-Smith, 2016
                            
 Class Kinetoplastea Honigberg, 1963
                              
 Order Trypanosomatida (Kent, 1880) Hollande, 1952
                                
 Family Trypanosomatidaeᵀ Doflein, 1901
                                  
 Genus Trypanosomaᵀ Gruby, 1843
                                    
 Section Trypanosoma sect. Stercoraria
                                      
 Subgenus Trypanosoma (Herpetosoma) Doflein, 1901
                                        
 Trypanosoma (Herpetosoma) leeuwenhoeki
                                        
 Trypanosoma (Herpetosoma) lewisiᵀ
                                        
 Trypanosoma (Herpetosoma) musculi