| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Hydrodendron alternatum (Fraser, 1938) |
Eastern Pacific | ||
| Hydrodendron arboreum (Allman, 1888) |
Antarctic | ||
| Hydrodendron carchesium (Fraser, 1914) |
Eastern Pacific | ||
| Hydrodendron corrugatum (Fraser, 1936) |
Eastern Pacific | ||
| Hydrodendron daidalum (Watson, 1969) |
Eastern Indian Ocean and Southwest Pacific | ||
| Hydrodendron expansum (Fraser, 1948) |
Eastern Pacific | ||
| Hydrodendron gracile (Fraser, 1914) |
Atlantic and Pacific Oceans | ||
| Hydrodendron mirabile (Hincks, 1866) |
Western Atlantic |