Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Bigyra
Opalozoa

Proterozoa (21446738)

Children (3 direct children, 13 direct and indirect children):

Telonemea (tree size 2)

Heteromitea (tree size 8)

Cyathobodonea