foraminifera d'Orbigny, 1826 see Class Foraminifera d'Orbigny, 1826
   Suborder Miliolina Delage & Hérouard, 1896
     Superfamily Cornuspiroidea Schultze, 1854 see Order Cornuspirida Jirovec, 1953
       1 Family †Hemigordiidae Reitlinger, 1993
       2 Family Hemigordiopsidae Nikitina, 1969
       3 Family †Arenovidalinidae Zaninetti & Rettori, 1991
       4 Family Ophthalmidiidae Wiesner, 1920
       5 Family Meandrospiridae Saidova, 1981 see Subfamily Meandrospirinae Saidova, 1981
       6 Family Cornuspiridae Schultze, 1854
       7 Family †Hoynellidae Rettori, 1994