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 Spirillinana Mikhalevich, 1992
         Superorder Involutinoida Hohenegger & Piller, 1977
           Order Involutinida Hohenegger & Piller, 1977
             Superfamily Triasinoidea Loeblich & Tappan, 1986 [monotypic]
               1 Family Triasinidae Loeblich & Tappan, 1986