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 Adephaga Schellenberg, 1806
             01 Family †Tritarsusidae Hong, 2002
             02 Family Gyrinidae Latreille, 1810 - whirligig beetles
             03 Family Trachypachidae Thomson, 1857
             04 Family Meruidae Spangler & Steiner, 2005
             05 Family Rhysodidae Laporte, 1840
             06 Family Carabidae Latreille, 1802 - ground beetles
             07 Family Haliplidae Aubé, 1836
             08 Family †Triaplidae Ponomarenko, 1977
             09 Family †Colymbotethidae Ponomarenko, 1994
             10 Family †Parahygrobiidae Ponomarenko, 1977
             11 Family †Coptoclavidae Ponomarenko, 1961
             12 Family †Liadytidae Ponomarenko, 1977
             13 Family Noteridae Thomson, 1859
             14 Family Amphizoidae LeConte, 1853
             15 Family Aspidytidae Ribera, Beutel, Balke & Vogler, 2002
             16 Family Hygrobiidae Régimbart, 1879 (1837)
             17 Family Dytiscidae Leach, 1815 - predaceous diving beetles