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 Halvaria Cavalier-Smith, 2010
                                
 Superphylum Alveolata Cavalier-Smith, 1991
                                  
 Phylum Ciliophora Doflein, 1901 - ciliates
                                    
 Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
                                      
 Class Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans
                                        
 Subclass Peritrichia Stein, 1859
                                          
 Order Sessilida Kahl, 1933
                                            
 Family Lagenophryidae Bütschli, 1889
                                              
 Genus Lagenophrysᵀ Stein, 1852
                                                
 Lagenophrys ampulla Stein, 1851
                                                
 Lagenophrys callinectes Couch, 1967
                                                
 Lagenophrys labiata Stokes, 1887
                                                
 Lagenophrys lenticulata (Kellicott)
                                                
 Lagenophrys lunatus Ima
                                                
 Lagenophrys monolistrae Stammer, 1935
                                                
 Lagenophrys vaginicolaᵀ Stein, 1852