Hydrachnidia Krantz, 1978 - water mites
   Superfamily Hygrobatoidea Koch, 1842
     Family Unionicolidae Oudemans, 1909
       Subfamily Pionatacinae Viets, 1916
         Genus Recifella Viets, 1935
           1 Subgenus Recifella (Recifella) Viets, 1935
           2 Subgenus Recifella (Eorecifella) Cook, 1980
           3 Subgenus Recifella (Monokoenikea) Lundblad, 1941
           4 Subgenus Recifella (Recifellida) Cook, 1986
           5 Subgenus Recifella (Recifellopsis) Cook, 1980
           6 Subgenus Recifella (Vietsiella) Cramer & Cook, 1998