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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Foraminifera
Globothalamea
Rotaliida
Rotaliina
Orbitoidoidea
Orbitoididae

Orbitoidinae (9052762)

Children (12 direct children, 12 direct and indirect children):

Gallowayina

Hymenocyclus

Ilgazina

Monolepidorbis

Neosivasella

Orbitella

Orbitoides

Pseudomphalocyclus

Schlumbergeria

Silvestrina

Simplorbites

Sivasella