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 Loxostomatacea Loeblich & Tappan, 1962
 see Superfamily Loxostomatoidea Loeblich & Tappan, 1962
              
 1 Family Bolivinellidae Hayward, 1980
              
 2 Family Tortoplectellidae Loeblich & Tappan, 1985
              
 3 Family Tosaidae Saidova, 1981
 see Family Tosaiidae Saidova, 1981