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 Orbitolinidae Martin, 1890
               Subfamily Orbitolininae Martin, 1890
                 01 Genus Orbitolina d'Orbigny, 1850
                 02 Genus Alpillina Foury, 1968
                 03 Genus Conicorbitolina Schroeder, 1973
                 04 Genus Eopalorbitolina Schroeder, 1968
                 05 Genus Eygalierina Foury, 1968
                 06 Genus Mesorbitolina Schroeder, 1962
                 07 Genus Montseciella Cherchi & Schroeder, 1999
                 08 Genus Naupliella Decrouez & Moullade, 1974
                 09 Genus Neoiraqia Danilova, 1963
                 10 Genus Neoorbitolinopsis Schroeder, 1965 see Genus Neorbitolinopsis Schroeder, 1965
                 11 Genus Palorbitolina Schroeder, 1963
                 12 Genus Palorbitolinoides Cherchi & Schroeder, 1980
                 13 Genus Praeorbitolina Schroeder, 1964
                 14 Genus Rectodictyoconus Schroeder, 1964
                 15 Genus Valserina Schroeder & Conrad, 1968