Phylum Foraminifera d'Orbigny, 1826
see Subphylum Foraminifera d'Orbigny, 1826
Class Miliolata Saidova, 1981 - porcelaneous foraminifers
Subclass Miliolana Saidova, 1981
Superorder Milioloida Delage & Hérouard, 1896
Order Miliolida Delage & Hérouard, 1896
Suborder Miliolina Delage & Hérouard, 1896
Superfamily Quinqueloculinoidea Cushman, 1917
Family Sigmoilinitidae Łuczkowska, 1974
Subfamily Longiapertininae Mikhalevich, 1987 [monotypic]
1 Genus Longiapertina Seiglie & Bermúdez, 1966