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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Cercozoa
Filosa
Monadofilosa
Thecofilosea
Phaeodaria
Phaeogromida
Challengeridae

Challengeron (25368907)

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

Challengeron diodon

Challengeron heteracanthum

Challengeron zetlandica

Challengeron channeri