Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Nodosariata Mikhalevich, 1992
       Nodosariana Mikhalevich, 1992
         Nodosariida Calkins, 1926
           Nodosariina Calkins, 1926
             Nodosarioidea Ehrenberg, 1838
               Frondiculariidae Reuss, 1860
                 Tristixinae Mikhalevich, 2013
                   Tristix MacFadyen, 1941