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 Stilostomelloidea Finlay, 1947 [monotypic]
               Family Stilostomellidae Finlay, 1947
                 1 Genus Carchariostomoides Hayward & Kawagata, 2012
                 2 Genus Caveastomella Hayward & Kawagata, 2012
                 3 Genus Toddostomella Hayward, 2012