| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Thuiaria affinis (Jäderholm, 1905) |
Antarctic Indian Ocean | ||
| Thuiaria alba Fraser, 1911 |
Eastern Pacific | ||
| Thuiaria alternitheca Levisen, 1893 |
Eastern Pacific | ||
| Thuiaria arctica (Bonnevie, 1899) |
Arctic | ||
| Thuiaria articulata (Pallas, 1766) |
Sea spleenwort | Atlantic, Pacific and Arctic Oceans | |
| Thuiaria carica Levinsen, 1893 |
Atlantic, Pacific and Arctic Oceans | ||
| Thuiaria desmoides (Torrey, 1902) |
Eastern Pacific | ||
| Thuiaria distans Fraser, 1914 |
Canada | ||
| Thuiaria fraseri (Calder, 1991) |
Eastern Pacific | ||
| Thuiaria laxa Allman, 1874 |
Atlantic and Arctic Oceans | ||
| Thuiaria tenera unspecified |
Canada | ||
| Thuiaria thuja (Linnaeus, 1758) |
Bottlebrush hydroid | Atlantic, Pacific and Arctic Oceans |