Gerromorpha Popov, 1971 see Infraorder Gerromorpha Popov, 1971
   Family Gerridae Leach, 1815 - water striders
     1 Subfamily Gerrinae (Leach, 1815) Bianchi, 1896
     2 Subfamily Rhagadotarsinae Lundblad, 1933
     3 Subfamily Trepobatinae Matsuda, 1960