Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Foraminifera
Fusulinida (Fusulina)
Fusulinacea (Fusulinoidea)

Fusulinellidae (16570173)

Children (3 direct children, 31 direct and indirect children):

Fusulinellinae (tree size 17)

Wedekindellininae (tree size 8)

Pulchrellinae (tree size 3)