Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826 Class Miliolata Saidova, 1981 - porcelaneous foraminifers Subclass Miliamminana Mikhalevich, 1980 Order Schlumbergerinida Mikhalevich, 1980 Family Miliamminidae Saidova, 1981 Subfamily Miliammininae Saidova, 1981 Genus Miliammina Heron-Allen & Earland, 1930 †Miliammina gerochi Tyszka, 1997