Children (12 direct children, 15 direct and indirect children):
Stylogomphus inglisi
Stylogomphus lawrenceae
Stylogomphus lutantus
Stylogomphus sigmastylus
Interior least clubtail
Stylogomphus albistylus
Eastern least clubtail
Stylogomphus changi
Stylogomphus tantulus
Stylogomphus ryukyuanus
(tree size 2)
Stylogomphus suzukii
Stylogomphus chunliuae
Stylogomphus shirozui
(tree size 1)
Stylogomphus malayanus