organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     amoeboid protists
       Phylum Granuloreticulosa de Saedeleer, 1934 see Phylum Foraminifera d'Orbigny, 1826
         Class Foraminifera d'Orbigny, 1826 see Phylum Foraminifera d'Orbigny, 1826
           Order Rotaliida Lankester, 1885
             Superfamily Fursenkoinacea Loeblich & Tappan, 1961 see Superfamily Fursenkoinoidea Loeblich & Tappan, 1961
               Family Fursenkoinidae Loeblich & Tappan, 1961
                 1 Genus Coryphostoma Loeblich & Tappan, 1962
                 2 Genus Fursenkoina Loeblich & Tappan, 1961
                 3 Genus Rutherfordoides McCulloch, 1981
                 4 Genus Sigmavirgulina Loeblich & Tappan, 1957
                 5 Genus Stuartia McCulloch, 1977