| Species name | Common name | Distribution | Max. Length (cm) | 
|---|---|---|---|
| Bougainvillia alderi (Hodge, 1863) | Northeast Atlantic | ||
| Bougainvillia aurantiaca Bouillon, 1980 | Western Pacific | ||
| Bougainvillia bitentaculata Uchida, 1925 | Northwest Pacific | 0.08 | |
| Bougainvillia bougainvillei (Brandt, 1835) | Northeast Pacific | 0.9 | |
| Bougainvillia britannica (Forbes, 1841) | Northern Pacific, Atlantic Ocean and the Mediterranean | 0.1 | |
| Bougainvillia carolinensis (Mccrady, 1859) | Western Atlantic | 0.4 | |
| Bougainvillia charcoti Le Danois, 1913 | Northeast Atlantic | 0.9 | |
| Bougainvillia chenyapingii Xu, Huang & Guo, 2007 | Northwest Pacific | ||
| Bougainvillia frondosa Mayer, 1900 | Western Atlantic | 0.125 | |
| Bougainvillia fulva Agassiz & Meyer, 1889 | Indo-Pacific | 1.1 | |
| Bougainvillia glorietta Torrey, 1902 | Eastern Pacific | ||
| Bougainvillia inaequalis Fraser, 1944 | Western Atlantic | ||
| Bougainvillia involuta Uchida, 1947 | Western Central Pacific | 0.45 | |
| Bougainvillia lamellata Unspecified | Western Pacific and Asia-Inland Waters | ||
| Bougainvillia macloviana Lesson, 1836 | Pacific Ocean, Atlantic Ocean and Western Indian Ocean | 1.3 | |
| Bougainvillia maniculata Haeckel, 1864 | Mediterranean | 0.15 | |
| Bougainvillia multicilia (Haeckel, 1879) | Strait of Gibraltar | 0.5 | |
| Bougainvillia multitentaculata Foerster, 1923 | Northeast Pacific | ||
| Bougainvillia muscoides (Sars, 1846) | Southeast Pacific | ||
| Bougainvillia muscus (Allman, 1863) | Huddle hydroid | Atlantic and Pacific Oceans | |
| Bougainvillia nigritella Forbes, 1848 | Northeast Atlantic | 0.3 | |
| Bougainvillia niobe Mayer, 1894 | Western Atlantic | 0.5 | |
| Bougainvillia platygaster (Haeckel, 1879) | Atlantic Ocean | 1.2 | |
| Bougainvillia principis (Steenstup, 1850) | Arctic, Atlantic Ocean and Eastern Pacific | 1 | |
| Bougainvillia prolifera (Von Lendenfeld, 1884) | Southwest Pacific | 0.25 | |
| Bougainvillia pyramidata (Forbes & Goodsir, 1853) | Northeast Atlantic | 0.6 | |
| Bougainvillia rugosa Clarke, 1882 | Western Atlantic | 0.15 | |
| Bougainvillia simplex (Forbes & Goodsir, 1853) | Northeast Atlantic | ||
| Bougainvillia superciliaris (Agassiz, 1849) | Arctic, Northern Atlantic and Pacific Ocean | 0.9 | |
| Bougainvillia trinema (Von Lendenfeld, 1884) | Southwest Atlantic and Pacific | 0.3 |