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 Spiroglutininae Mikhalevich, 1983 [monotypic] Genus Spiroglutina Mikhalevich, 1983 Spiroglutina asperulaᵀ (Karrer, 1868)