Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Astrorhizata Saidova, 1981
       Subclass Lagynana Mikhalevich, 1980
         Order Allogromiida Loeblich & Tappan, 1961
           Genus Xiphophaga Goldstein, Habura, Richardson & Bowser, 2010