Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002
   Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826
     Class Spirillinata Mikhalevich, 1992
       Subclass Ammodiscana Mikhalevich, 1980
         ?Order Ataxophragmiida Fursenko, 1958
           Superfamily Textularielloidea Groenhagen & Luterbacher, 1966
             Family Pfenderinidae Smout & Sugden, 1962
               Subfamily Paleopfenderininae Septfontaine, 1988
                 1 Genus Paleopfenderina Septfontaine, 2000
                 2 Genus Conicopfenderina Septfontaine, 2000
                 3 Genus Chablasia Septfontaine, 1978 see Genus Chablaisia Septfontaine, 1978
                 4 Genus Satorina Fourcade & Chorowicz, 1980
                 5 Genus Sanderella Redmond, 1964
                 6 ?Genus Steinekella Redmond, 1964