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 dorsates Cavalier-Smith, 2021
                  
 Clade podiates Cavalier-Smith, 2012
                    
 Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                      
 Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                        
 Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                          
 Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                            
 Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                              
 Kingdom Animalia Linnaeus, 1758 - animals
                                
 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                  
 Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                    
 Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                      
 Infrakingdom Protostomia Grobben, 1908
                                        
 Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
                                          
 Panarthropoda Nielsen, 1995 - panarthropods
                                            
 Tactopoda Budd, 2001
                                              
 Phylum Arthropoda Siebold, 1848 - arthropods
                                                
 Euarthropoda
                                                  
 Antennulata
                                                    
 Subphylum Mandibulata Snodgrass, 1938
                                                      
 Infraphylum Pancrustacea Zrzavý & Štys, 1997
                                                        
 Altocrustacea
                                                          
 Miracrustacea
                                                            
 Superclass Hexapoda Latreille, 1825
                                                              
 Cercophora
                                                                
 Class Insecta Linnaeus, 1758 - insects
                                                                  
 Subclass Dicondylia Haeckel, 1866
                                                                    
 Infraclass Pterygota Lang, 1888
                                                                      
 Division Ephemeroptera Hyatt & Arms, 1890
                                                                        
 Order Ephemeropteraᵀ Hyatt & Arms, 1891 - mayflies
                                                                          
 Suborder Pisciforma
                                                                            
 Superfamily Siphlonuroidea Ulmer, 1920
                                                                              
 Family Ameletidae McCafferty, 1991
                                                                                
 Genus Ameletusᵀ Eaton, 1885
                                                                                  
 01 Ameletus alexandrae Brodsky, 1930
                                                                                  
 02 Ameletus amador Mayo, 1939
                                                                                  
 03 Ameletus andersoni Zloty, 1996
                                                                                  
 04 Ameletus asiaecentralis Soldán, 1978
                                                                                  
 05 Ameletus bellulus Zloty, 1996
                                                                                  
 06 Ameletus browni McDunnough, 1933
                                                                                  
 07 Ameletus celer McDunnough, 1934
                                                                                  
 08 Ameletus cooki McDunnough, 1929
                                                                                  
 09 Ameletus costalis (Matsumura)
                                                                                  
 10 Ameletus cryptostimulus Carle, 1978
                                                                                  
 11 Ameletus dissitus Eaton, 1885
                                                                                  
 12 Ameletus doddsianus Zloty, 1996
                                                                                  
 13 Ameletus edmundsi Zloty, 1996
                                                                                  
 14 Ameletus exquisitus Eaton, 1885
                                                                                  
 15 Ameletus falsus McDunnough, 1938
                                                                                  
 16 Ameletus imbellis Day, 1952
                                                                                  
 17 Ameletus inopinatus Eaton, 1887
                                                                                  
 18 Ameletus lineatus Traver, 1932
                                                                                  
 19 Ameletus ludens Needham, 1905
                                                                                  
 20 Ameletus majasculus Zloty, 1996
                                                                                  
 21 Ameletus minimus Zloty & Harper, 1999
                                                                                  
 22 Ameletus montanus Imanishi
                                                                                  
 23 Ameletus oregonensis McDunnough, 1933
                                                                                  
 24 Ameletus pritchardi Zloty, 1996
                                                                                  
 25 Ameletus quadratus Zloty & Harper, 1999
                                                                                  
 26 Ameletus sheperdi Traver, 1934
                                                                                  
 27 Ameletus similior McDunnough, 1928
                                                                                  
 28 Ameletus sparsatus McDunnough, 1931
                                                                                  
 29 Ameletus subnotatus Eaton, 1885
                                                                                  
 30 Ameletus suffusus McDunnough, 1936
                                                                                  
 31 Ameletus tarteri Burrows, 1987
                                                                                  
 32 Ameletus tertius McDunnough, 1938
                                                                                  
 33 Ameletus tolae Zloty, 1996
                                                                                  
 34 Ameletus validus McDunnough, 1923
                                                                                  
 35 Ameletus vancouverensis McDunnough, 1933
                                                                                  
 36 Ameletus velox Dodds, 1923
                                                                                  
 37 Ameletus vernalis McDunnough, 1924
                                                                                  
 38 Ameletus walleyi Harper, 1970