Children (32 direct children, 32 direct and indirect children):
Hydrozetes lacustris
Hydrozetes uberabensis
Hydrozetes megacephalum
Hydrozetes capensis
Hydrozetes nymphoides
Hydrozetes petrunkevitchi
Hydrozetes eichhornia
Hydrozetes thienemanni
Hydrozetes gueyeae
Hydrozetes dimorphus
Hydrozetes laccosis
Hydrozetes edentulus
Hydrozetes amudariensis
Hydrozetes niloticus
Hydrozetes californiensis
Hydrozetes escobari
Hydrozetes lemnae
Hydrozetes vicarius
Hydrozetes replacementica
Hydrozetes tamarae
Hydrozetes confervae
Hydrozetes videor
Hydrozetes indicator
Hydrozetes ringueleti
Hydrozetes tobaicus
Hydrozetes tridactylus
Hydrozetes paulista
Hydrozetes platensis
Hydrozetes incisus
Hydrozetes octosetosus
Hydrozetes parisiensis
Hydrozetes terrestris