Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Rotaliata Mikhalevich, 1980 - hyaline foraminifers
       Subclass Textulariana Mikhalevich, 1980
         Order Spiroplectamminida Mikhalevich, 1992
           Superfamily Spiroplectamminoidea Cushman, 1927 [monotypic]
             Family Spiroplectamminidae Cushman, 1927
               1 Subfamily Spiroplectammininae Cushman, 1927
               2 Subfamily Vulvulininae Saidova, 1981
               3 ?Subfamily Morulaplectinae Saidova, 1981 see Subfamily Morulaeplectinae Saidova, 1981