| Hooperia J. Agardh, 1896 |
| Hooperia baileyana (Harv.) J. Agardh, 1896 |
| Hooperia divaricata (Durant) M.J. Wynne, C.W. Schneider & G.W. Saunders, 2019 |
| Lomentaria Lyngb., 1819 |
| Lomentaria baileyana (Harv.) Farlow, 1876 |
| Lomentaria caseae E.Y. Dawson, 1946 |
| Lomentaria catenata Harv., 1857 |
| Lomentaria divaricata (Durant) M.J. Wynne, 2013 |
| Lomentaria drouetii E.Y. Dawson, 1944 |
| Lomentaria hakodatensis Yendo, 1920 |
| Lomentaria parvula (C. Agardh) Zanardini, 1841 |
| Lomentaria rawitscheri A.B. Joly, 1957 |
| Lomentaria uncinata Menegh. ex Zanardini, 1840 |
| Lomentariaceae J. Agardh, 1876 |