Children (82 direct children, 124 direct and indirect children):
Helophorus grandis
Helophorus aquaticus
Helophorus smetanai
Helophorus latipenis
Helophorus furius
Helophorus cuspifer
Helophorus artus
Helophorus robertsi
Helophorus chamberlaini
Helophorus californicus
Helophorus brevipalpis
(tree size 1)
Helophorus alternatus
Helophorus fenderi
Helophorus schuhi
Helophorus oregonus
Helophorus hatchi
Helophorus arcticus
Helophorus granularis
Helophorus lecontei
Helophorus tuberculatus
Helophorus sibiricus
Helophorus splendidus
Helophorus sempervarians
Helophorus parasplendidus
Helophorus orientalis
Helophorus orchymonti
Helophorus columbianus
Helophorus eclectus
Helophorus auricollis
Helophorus browni
Helophorus oblongus
Helophorus nitidulus
Helophorus nitiduloides
Helophorus marginicollis
Helophorus lineatus
Helophorus linearoides
Helophorus leechi
Helophorus angusticollis
Helophorus frosti
Helophorus ledatus
Helophorus lacustris
Helophorus inflectus
Helophorus obscurus
Helophorus linearis
Helophorus fortis
Helophorus lapponicus
Helophorus laticollis
Helophorus discrepans
Helophorus aequalis
Helophorus flavipes
Helophorus pallidus
Helophorus pumilio
Helophorus fulgidicollis
Helophorus redtenbacheri
Helophorus arvernicus
Helophorus asperatus
Helophorus glacialis
Helophorus griseus
Helophorus minutus
Helophorus nanus
Helophorus strandi
Helophorus nubilus
Helophorus strigifrons
Helophorus alternans
Helophorus gratus
Helophorus jocoteroi
Helophorus porculus
Helophorus rufipes
Helophorus schmidti
Helophorus seidlitzii
Helophorus asturiensis
Helophorus turca
Cyphelophorus
Orphelophorus
(tree size 1)
Helophorus
(tree size 5)
Rhopalohelophorus
(tree size 31)
Empleurus
(tree size 3)
Eutrichelophorus
(tree size 1)
Gephelophorus
Kyphohelophorus
Trichohelophorus
Helophorus dracomontanus