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
                  
 Phylum Metamonada Grassé, 1952 [coordinate rank]
                    
 Subphylum Trichozoa Cavalier-Smith, 1997
                      
 Infraphylum Parabasalia Honigberg, 1973
                        
 Class Trichomonadea Kirby, 1947
                          
 Subclass Cristomonadia Cavalier-Smith, 2012
                            
 Order Cristamonadidaᵀ Brugerolle & Patterson, 2001
                              
 Family Devescovinidae Doflein, 1911
                                
 Subfamily Devescovininaeᵀ Doflein, 1911
                                  
 Genus Devescovinaᵀ Foà, 1905
                                    
 Devescovina coghilli Kirby