Supergroup Rhizaria Cavalier-Smith, 2002
see Infrakingdom Rhizaria Cavalier-Smith, 2002
Phylum Foraminifera d'Orbigny, 1826
see Subphylum Foraminifera d'Orbigny, 1826
Class Rotaliata Mikhalevich, 1980 - hyaline foraminifers
Subclass Rotaliana Mikhalevich, 1980
Superorder Nonionoida Saidova, 1981
Order Nummulitida Carpenter, Parker & Jones, 1862
Family Heterosteginidae Galloway, 1933