rotaliids see Order Rotaliida Lankester, 1885
   Superfamily Rotaliacea Ehrenberg, 1839 see Superfamily Rotalioidea Ehrenberg, 1839
     Family Rotaliidae Ehrenberg, 1839
       Subfamily Rotaliinae Ehrenberg, 1839
         1 Genus †Rotorbinella Bandy, 1944
         2 Genus †Pyrenerotalia Boix et al., 2009
         3 Genus †Rotospirella Hottinger, 2014
         4 Genus Rotalia Lamarck, 1804
         5 Genus †Medocia Parvati, 1971