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 Cassidulinacea d'Orbigny, 1839 see Superfamily Cassidulinoidea d'Orbigny, 1839
               Family Cassidulinidae d'Orbigny, 1839
                 1 Genus Islandiella Nørvang, 1958
                 2 Genus Globocassidulina Voloshinova, 1960
                 3 Genus Cassidulina d'Orbigny, 1826
                 4 Genus Favocassidulina Loeblich & Tappan, 1957
                 5 Genus Burseolina Seguenza, 1880
                 6 Genus Ehrenbergina Reuss, 1849