Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Hexapoda Latreille, 1825 see Epiclass Hexapoda Latreille, 1825
       Class Insecta Linnaeus, 1758 - insects
         Order Coleoptera Linnaeus, 1758 - beetles
           Suborder Polyphaga Emery, 1886
             Series Staphyliniformia Latreille, 1802
               Superfamily Hydrophiloidea Latreille, 1802
                 Family Hydrophilidae Latreille, 1802 - water scavenger beetles