Kingdom Animalia Linnaeus, 1758 - animals
Phylum Cnidaria Hatschek, 1888 - cnidarians
Class Hydrozoa Owen, 1843
Order Hydroida Johnston, 1836 - hydroids
see Order Anthoathecatae
Suborder Anthomedusae
see Order Anthoathecatae
Genus Bougainvilla Hargitt, 1902
see Genus Bougainvillia Lesson, 1836
Genus Calycopsis Fewkes, 1882
Genus Eleutheria Quatrefages, 1842
Genus Eudendrium Ehrenberg, 1834
Genus Hydra Linnaeus, 1758
Genus Hydractinia van Beneden, 1844
Genus Hydrocoryne Stechow, 1907
Genus Janaria Stechow, 1921
Genus Lar Gosse, 1857
see Genus Proboscidactyla Brandt, 1835
Genus Pennaria Oken, 1815
Genus Podocoryne Lütken, 1850
Genus Polyorchis A. Agassiz, 1862
Genus Rathkea Haeckel, 1879
Genus Sarsia Lesson, 1843
Genus Staurocladia Hartlaub, 1917
Genus Stylactis Allman, 1864
Genus Syncoryne Steenstrup, 1842
Genus Tubularia Linnaeus, 1758