Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Phaeista
Chrysista
Phagochrysia
Chrysophyceae (Golden algae)
Hydrurales
Hydruraceae
Children (2 direct children, 2 direct and indirect children):
Hydrurus vaucheri
Hydrurus foetidus