Hydrachnidia Krantz, 1978 - water mites
   Superfamily Hydryphantoidea Piersig, 1896 - water mites
     Family Rhynchohydracaridae Lundblad, 1936
       Subfamily Santiagocarinae Valdecasas, 2001
         1 Genus Gledhillia Valdecasas, 2001
         2 Genus Santiagocarus Valdecasas, 2001