Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Nodosariata Mikhalevich, 1992
       Subclass Nodosariana Mikhalevich, 1992
         Order Nodosariida Calkins, 1926
           Suborder Nodosariina Calkins, 1926
             Superfamily Ptychocladioidea Elias, 1950 [monotypic]
               1 Family Ptychocladiidae Elias, 1950