Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Foraminifera
Globothalamea
Rotaliida
Rotalioidea (Rotaliacea)
Rotaliidae
Ammoniinae

Challengerella (23773290)

Children (2 direct children, 2 direct and indirect children):

Challengerella bradyi

Challengerella persica