Related how?
Biota
(Life)
Eukaryote
(Eukarya)
Chromista
Harosa
Rhizaria
Cercozoa
Filosa
Monadofilosa
Thecofilosea
Phaeodaria
Phaeogromida
Challengeridae (
25368820
)
Children (2 direct children, 8 direct and indirect children):
Challengeron
(tree size 4)
Protocystis
(tree size 2)