Hexapods - insects see Epiclass Hexapoda Latreille, 1825
   Class Insecta Linnaeus, 1758 - insects
     Subclass Dicondylia Haeckel, 1866
       Infraclass Pterygota Lang, 1888
         Division Ephemeroptera Hyatt & Arms, 1890
           Order Ephemeroptera Hyatt & Arms, 1891 - mayflies
             Suborder Rectracheata
               Superfamily Caenoidea Newman, 1853
                 Family Caenidae Newman, 1853
                   Subfamily Brachycercinae
                     1 Genus Brachycercus Curtis, 1834
                     2 Genus Cercobrachys Soldán, 1986