Haleciidae Hincks, 1868
Hydrodendron alternatum (Fraser, 1938)
Hydrodendron arboreum (Allman, 1888)
Hydrodendron armatum (Stechow, 1924)
Hydrodendron australe (Bale, 1919)
Hydrodendron australis (Bale, 1919)
Hydrodendron blackburni (Watson, 1973)
Hydrodendron carchesium (Fraser, 1914)
Hydrodendron cornucopiae (Millard, 1955)
Hydrodendron corrugatum (Fraser, 1936)
Hydrodendron daidalum (Watson, 1969)
Hydrodendron diadala (Watson, 1969)
Hydrodendron dichotomum (Allman, 1880)
Hydrodendron expansum (Fraser, 1948)
Hydrodendron gardineri (Jarvis, 1922)
Hydrodendron gorgonoide (Sars, 1873)
Hydrodendron gracile (Fraser, 1914)
Hydrodendron gracilis (Fraser, 1914)
Hydrodendron laxum (Fraser, 1938)
Hydrodendron leloupi Hirohito, 1983
Hydrodendron mirabile (Hincks, 1866)
Hydrodendron negligens (Fraser, 1938)
Hydrodendron pacificum (Stechow, 1919)
Hydrodendron sibogae (Billard, 1929)
Hydrodendron stechowi Hirohito, 1995
Hydrodendron sympodiformis Millard & Bouillon, 1974
Hydrodendron tottoni Rees & Vervoort, 1987
Hydrodendron violaceum Hirohito, 1995
Ophiodes australis Bale, 1914
Ophiodissa blackburni Watson, 1973
Scoresbia diadala Watson, 1969
