foraminifera d'Orbigny, 1826 see Class Foraminifera d'Orbigny, 1826 Suborder Miliolina Delage & Hérouard, 1896 Superfamily Cornuspiroidea Schultze, 1854 see Order Cornuspirida Jirovec, 1953 Family Cornuspiridae Schultze, 1854 Genus †Planiinvoluta Leischner, 1961