Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Dinozoa
Dinoflagellata (Dinoflagelate)

Desmomastigales (21219586)

Children (3 direct children, 9 direct and indirect children):

Desmomastigaceae (tree size 2)

Protaspidaceae

Spiromonadaceae (tree size 4)