| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Cuthona abronia (MacFarland, 1966) |
Colorful Cuthona | Eastern Pacific | 1.3 |
| Cuthona abyssicola (Bergh, 1884) |
Northeast Atlantic | ||
| Cuthona albocrusta (MacFarland, 1966) |
White-crust Cuthona | Indo-Pacific | 1.2 |
| Cuthona albopunctata (Schmekel, 1968) |
Mediterranean Sea | ||
| Cuthona amoena (Alder & Hancock, 1845) |
Northeast Atlantic and the Mediterranean Sea | ||
| Cuthona annulata (Baba, 1949) |
Indo-West Pacific | ||
| Cuthona antarctica (Pfeffer, 1886) |
Western Atlantic | ||
| Cuthona barbadiana Edmunds & Just, 1983 |
Western Atlantic | 0.6 | |
| Cuthona caerulea (Montagu, 1804) |
Western Atlantic and the Mediterranean Sea | 1 | |
| Cuthona claviformis Vicente, 1974 |
Antarctic Indian Ocean | ||
| Cuthona cocoachroma Williams & Gosliner, 1979 |
Brown Cuthona | Eastern Pacific | 1.5 |
| Cuthona concinna (Alder & Hancock, 1843) |
Neat aeolid | Arctic, Atlantic and Eastern Pacific | 1.5 |
| Cuthona divae (Marcus, 1961) |
Rose-pink Cuthona | Eastern Pacific | 1.8 |
| Cuthona flavovulta (MacFarland, 1966) |
Yellowish Cuthona | Eastern Pacific | 1 |
| Cuthona foliata (Forbes & Goodsir, 1839) |
Northeast Atlantic and the Mediterranean Sea | ||
| Cuthona fulgens (MacFarland, 1966) |
Black-and-yellow Cuthona | Eastern Pacific | 0.8 |
| Cuthona genovae (O'Donoghue, 1926) |
Northeast Atlantic and the Mediterranean Sea | ||
| Cuthona georgiana (Pfeffer, 1886) |
Pacific Ocean, Western Atlantic, and the Antarctic | 1.5 | |
| Cuthona granosa (Schmekel, 1966) |
Mediterranean Sea | ||
| Cuthona gymnota (Couthouy, 1838) |
Orange-tip Cuthona | Western Atlantic, Arctic and the Mediterranean Sea | 2.3 |
| Cuthona hamanni Behrens, 1987 |
Hamann's aeolid | Eastern Pacific | 1.4 |
| Cuthona ilonae (Schmekel, 1968) |
Mediterranean Sea | ||
| Cuthona iris Edmunds & Just, 1983 |
Western Atlantic | 1.2 | |
| Cuthona kanga (Edmunds, 1970) |
Western Indian Ocean | ||
| Cuthona lagunae (O'Donoghue, 1926) |
Orange-face Cuthona | Eastern Pacific | 1.4 |
| Cuthona leopardina (Vayssière, 1888) |
Mediterranean Sea | ||
| Cuthona lizae Angulo & Valdés, 2003 |
Liza's aeolid | Eastern Central Pacific | 0.6 |
| Cuthona longi Behrens, 1985 |
Long's aeolid | Eastern Central Pacific | 3.2 |
| Cuthona miniostriata (Schmekel, 1968) |
Mediterranean Sea | ||
| Cuthona nana (Alder & Hancock, 1842) |
Western Atlantic and Eastern Pacific | 1 | |
| Cuthona ocellata (Schmekel, 1966) |
Mediterranean Sea | ||
| Cuthona odhneri Marcus, 1959 |
Southeast Pacific | ||
| Cuthona pallida (Eliot, 1906) |
Mediterranean Sea | ||
| Cuthona perca (Marcus, 1958) |
Lake Meritt Cuthona | Atlantic Ocean, Pacific Ocean and the Mediterranean | 1.5 |
| Cuthona phoenix Gosliner, 1981 |
The phoenix aeolid | Eastern Pacific and Western Central Atlantic | 1.7 |
| Cuthona pumilio Bergh, 1871 |
Atlantic Ocean | 0.2 | |
| Cuthona punicea Millen, 1986 |
Pomegranate aeolid | Eastern Pacific | 2.4 |
| Cuthona purpurea (Stimpson, 1853) |
Western Atlantic | 2.5 | |
| Cuthona pustulata (Alder & Hancock, 1854) |
Pimpled aeolid | Eastern Pacific and Northeast Atlantic | 2 |
| Cuthona rolleri Behrens & Gosliner, 1988 |
Roller's aeolid | Eastern Pacific | 1.5 |
| Cuthona rubescens Picton & Brown, 1978 |
Northeast Atlantic | ||
| Cuthona rubra (Edmunds, 1964) |
Western Atlantic | 0.45 | |
| Cuthona schraderi (Pfeffer, 1886) |
Western Atlantic | 1 | |
| Cuthona speciosa (Macnae, 1954) |
Southeast Atlantic and Western Indian Ocean | ||
| Cuthona thompsoni Garcia, Lopez-Gonzalez & Garcia-Gomez, 1991 |
Mediterranean Sea | ||
| Cuthona tina (Marcus, 1957) |
Western Atlantic | 0.45 | |
| Cuthona veronicae (Verrill, 1880) |
Western Atlantic | 2.5 | |
| Cuthona virens (MacFarland, 1966) |
Green Cuthona | Eastern Pacific | 0.6 |
| Cuthona viridis (Forbes, 1840) |
Viridis aeolid | Eastern Pacific and Atlantic Ocean | 1.1 |
| Cuthona yamasui Hamatani, 1993 |
Indo-West Pacific |