foraminifera d'Orbigny, 1826 see Class Foraminifera d'Orbigny, 1826
   Suborder †Involutinina Hohenegger & Piller, 1977 see Order Involutinida Hohenegger & Piller, 1977
     Superfamily †Involutinoidea Bütschli, 1880
       Family †Triadodiscidae Zaninetti, 1984
         1 Genus †Lamelliconus Piller, 1978
         2 Genus †Triadodiscus Piller, 1983