Children (9 direct children, 12 direct and indirect children):
Hongshanopterus
Liaoxipterus
Longchengpterus
Longchengpterus zhaoi
Istiodactylus
(tree size 1)
Nurhachius
Istiodactylinae
Lanceodontia
(tree size 1)
Istio
Luchibang
(tree size 1)