life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Hexapoda - insects see Epiclass Hexapoda Latreille, 1825
     Euentomata
       Ectognatha see Class Insecta Linnaeus, 1758
         Dicondylia Haeckel, 1866 see Subclass Dicondylia Haeckel, 1866
           Pterygota Lang, 1888 see Infraclass Pterygota Lang, 1888
             Metapterygota
               Neoptera Martynov, 1923
                 Eumetabola
                   Holometabola
                     Order Coleoptera Linnaeus, 1758 - beetles
                       Suborder Polyphaga Emery, 1886
                         Scarabaeiformia Crowson, 1960 see Series Scarabaeiformia Crowson, 1960
                           Superfamily Hydrophiloidea Latreille, 1802