Children (6 direct children, 6 direct and indirect children):
Tachybaptus novaehollandiae javanicus
Tachybaptus novaehollandiae fumosus
Tachybaptus novaehollandiae incola
Tachybaptus novaehollandiae novaehollandiae
Tachybaptus novaehollandiae leucosternos
Tachybaptus novaehollandiae rennellianus