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 †Rzehakinidae Cushman, 1933 Subfamily †Rzehakininae Cushman, 1933 [monotypic] 1 Genus †Rzehakina Cushman, 1927