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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Oomycetes (Oomycota (descriptive name))

Oomycetes (21445833)

Children (4 direct children, 59 direct and indirect children):

Rhipidiales (tree size 19)

Lagenismatales (tree size 3)

Aquastella

Myzocytiopsidales (tree size 33)