Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Foraminifera
Monothalamea
Astrorhizida
Komokiacea (Komokioidea)
Baculellidae

Arbor (22983566)

Children (4 direct children, 4 direct and indirect children):

Arbor cuspidata

Arbor floccularis

Arbor hispida

Arbor multiplex