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 Genus †Lamelliconus Piller, 1978