| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Polycera alabe Collier & Farmer, 1964 |
Ink-stain dorid | Eastern Central Pacific | 3 |
| Polycera atra MacFarland, 1905 |
Orange-spike polycera | Eastern Pacific | 2.2 |
| Polycera aurantiomarginata García-Gómez & Bobo, 1984 |
Mediterranean Sea | ||
| Polycera aurisula Marcus, 1957 |
Western Atlantic | 1 | |
| Polycera capensis Quoy & Gaimard, 1824 |
Crowned nudibranch | Eastern Atlantic and Indo-West Pacific | 7 |
| Polycera chilluna Marcus, 1961 |
Harlequin | Western Atlantic | 2.5 |
| Polycera elegans (Bergh, 1894) |
Mediterranean Sea | ||
| Polycera faeroensis Lemche, 1929 |
Northeast Atlantic and the Mediterranean Sea | ||
| Polycera fujitai Baba, 1937 |
Western Pacific | ||
| Polycera gnupa (Marcus & Marcus, 1967) |
Eastern Pacific | 1.4 | |
| Polycera hedgpethi Marcus, 1964 |
Hedgpeth's dorid | Indo-Pacific, Atlantic Ocean and the Mediterranean Sea | 4 |
| Polycera herthae Marcus & Marcus, 1963 |
Western Central Atlantic | 0.3 | |
| Polycera hummi Abbott, 1952 |
Western Atlantic | 2 | |
| Polycera incognita (Ortea, Espinosa & Caballer, 2005) |
Western Atlantic | 0.7 | |
| Polycera janjukia Burn, 1962 |
Janjuki polycera | Indo-West Pacific | |
| Polycera maculata Pruvot-Fol, 1951 |
Mediterranean Sea | ||
| Polycera marplatensis Franceschi, 1928 |
Southeast Pacific and Southwest Atlantic | ||
| Polycera melanosticta Miller, 1996 |
Black-speckled polycera | Indo-West Pacific | |
| Polycera odhneri Marcus, 1955 |
Western Atlantic | 2.5 | |
| Polycera parvula (Burn, 1958) |
Small polycera | Indo-West Pacific | |
| Polycera priva Marcus, 1959 |
White-bordered sea slug | Southeast Pacific | |
| Polycera quadrilineata Müller, 1776 |
Fourline nudibranch | Eastern Atlantic, Western Indian Ocean and the Mediterranean | |
| Polycera risbeci Odhner, 1941 |
Indo-West Pacific | 1 | |
| Polycera rycia Marcus & Marcus, 1970 |
Western Atlantic | 0.9 | |
| Polycera tricolor Robilliard, 1971 |
Three-color polycera | Eastern Pacific | 2 |