| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Campanularia agas Cornelius, 1982 |
Bell hydroid | Southwest Atlantic and Southeast Pacific | |
| Campanularia antarctica Stechow, 1922 |
Circum-Antarctic | ||
| Campanularia brevicaulis Nutting, 1915 |
Western Central Atlantic | ||
| Campanularia caliculata unspecified |
Southwest Pacific | ||
| Campanularia castellata Fraser, 1925 |
Eastern Pacific | ||
| Campanularia diverticulata (Totton, 1930) |
Southwest Pacific and Antarctica | ||
| Campanularia emarginata Fraser, 1938 |
Eastern Pacific | ||
| Campanularia groenlandica Levisen, 1893 |
Arctic, Northern Atlantic, and Northern Pacific | ||
| Campanularia hicksoni Totton, 1930 |
Circum-Antarctica | ||
| Campanularia hincksii Alder, 1856 |
Atlantic and Pacific Oceans | ||
| Campanularia macroscypha Allman, 1877 |
Western Atlantic | ||
| Campanularia subantarctica Millard, 1971 |
Antarctic Atlantic | ||
| Campanularia tulipifera Allman, 1888 |
Antarctic Indian Ocean | ||
| Campanularia volubilis (Linnaeus, 1758) |
Atlantic Ocean, Pacific Ocean, Arctic Ocean and the Mediterranean |