Children (99 direct children, 99 direct and indirect children):
Hydrocyphon kachinensis
Hydrocyphon palawanensis
Hydrocyphon finitimus
Hydrocyphon bicornis
Hydrocyphon elongatus
Hydrocyphon consolatorius
Hydrocyphon steueri
Hydrocyphon graseri
Hydrocyphon triforius
Hydrocyphon laeticolor
Hydrocyphon renati
Hydrocyphon hainanensis
Hydrocyphon fulvescens
Hydrocyphon kambaiticus
Hydrocyphon similis
Hydrocyphon kodadai
Hydrocyphon proximus
Hydrocyphon australis
Hydrocyphon stupendus
Hydrocyphon malaysianus
Hydrocyphon lii
Hydrocyphon taiwanus
Hydrocyphon indonesianus
Hydrocyphon palniensis
Hydrocyphon interrogationis
Hydrocyphon narraensis
Hydrocyphon pernigrans
Hydrocyphon spinosus
Hydrocyphon satoi
Hydrocyphon panensis
Hydrocyphon mirabilis
Hydrocyphon forficulatus
Hydrocyphon sumatrensis
Hydrocyphon tamilensis
Hydrocyphon championi
Hydrocyphon dentatus
Hydrocyphon chiangmaiensis
Hydrocyphon hamiota
Hydrocyphon segrex
Hydrocyphon fuscatus
Hydrocyphon nakanei
Hydrocyphon gereckei
Hydrocyphon oblongulus
Hydrocyphon deflexicollis
Hydrocyphon klausnitzeri
Hydrocyphon subrotundus
Hydrocyphon manfredi
Hydrocyphon auratus
Hydrocyphon yoshitomii
Hydrocyphon novaki
Hydrocyphon bhutanensis
Hydrocyphon aritai
Hydrocyphon kopetdaghensis
Hydrocyphon bifidus
Hydrocyphon hydrocyphonoides
Hydrocyphon thailandicus
Hydrocyphon submalaysianus
Hydrocyphon boukali
Hydrocyphon iriomotensis
Hydrocyphon jaechi
Hydrocyphon subtrilobus
Hydrocyphon wakaharai
Hydrocyphon laosensis
Hydrocyphon javanicus
Hydrocyphon bicolor
Hydrocyphon uenoi
Hydrocyphon kinabalensis
Hydrocyphon minous
Hydrocyphon illiesi
Hydrocyphon nyholmi
Hydrocyphon sakaii
Hydrocyphon sagaingensis
Hydrocyphon rivulorum
Hydrocyphon dudgeoni
Hydrocyphon dispar
Hydrocyphon subcelatus
Hydrocyphon kaszabi
Hydrocyphon nepalensis
Hydrocyphon pulchellus
Hydrocyphon nuristanicus
Hydrocyphon trilobus
Hydrocyphon schoenmanni
Hydrocyphon baliensis
Hydrocyphon lusonensis
Hydrocyphon rectangulus
Hydrocyphon guangxiensis
Hydrocyphon pallidicollis
Hydrocyphon celatus
Hydrocyphon sarawakensis
Hydrocyphon keralaensis
Hydrocyphon ovatus
Hydrocyphon vicinans
Hydrocyphon deformis
Hydrocyphon doiinthanonensis
Hydrocyphon jogjaensis
Hydrocyphon klapperichi
Hydrocyphon sagittiger
Hydrocyphon serratibasialis
Hydrocyphon takizawai