| Nominal Species (n = 69) | Present allocation (n = 67) | Ref. |
|---|---|---|
| Elysia annedupontae Ortea, Espinosa & Caballer, 2005 | Elysia annedupontae | 83435 |
| Elysia arena Carlson & Hoff, 1978 | Elysia arena | 3477 |
| Elysia atroviridis Baba, 1955 | Elysia atroviridis | 3477 |
| Actaeon australis Quoy & Gaimard, 1832 | Elysia australis | 7727 |
| Elysia bayeri Marcus, 1965 | Thuridilla bayeri | 3477 |
| Elysia canguzua Marcus, 1955 | Elysia canguzua | 19 |
| Thuridilla carlsoni Gosliner, 1995 | Thuridilla carlsoni | 844 |
| Placobranchus catulus Gould, 1870 | Elysia catulus | 83435 |
| Elysia cauze Marcus, 1957 | Elysia subornata | 3477 |
| Elysia chilkensis Eliot, 1916 | Elysia chilkensis | 3477 |
| Elysia chitwa Marcus, 1955 | Elysia chitwa | 83435 |
| Elysia chlorotica Gould, 1870 | Elysia chlorotica | 19 |
| Elysia clarki Pierce et al., 2006 | Elysia clarki | 83435 |
| Elysia coodgeensis Angas, 1864 | Elysia coodgeensis | 7727 |
| Bosellia corinneae Marcus, 1973 | Bosellia corinneae | 19 |
| Elysia cornigera Nuttall, 1989 | Elysia cornigera | 19 |
| Elysia crispata Morch, 1863 | Elysia crispata | 19 |
| Elysia deborahae Ortea, Espinosa & Moro, 2005 | Elysia deborahae | 83435 |
| Elysia degeneri Ostergaard, 1955 | Elysia degeneri | 3477 |
| Elysia evelinae Marcus, 1957 | Elysia evelinae | 19 |
| Elysia fezi Vilella, 1968 | Elysia fezi | 3477 |
| Elysia flava Verrill, 1901 | Elysia flava | 415 |
| Elysia flavomacula Jensen, 1990 | Elysia flavomacula | 3477 |
| Thuridilla flavomaculata Gosliner, 1995 | Thuridilla flavomaculata | 3477 |
| Elysia furvacauda Burn, 1958 | Elysia furvacauda | 7727 |
| Elysia gordanae Thompson & Jaklin, 1988 | Elysia gordanae | 3477 |
| Elysia gracilis Risbec, 1928 | Thuridilla gracilis | 3477 |
| Elysia grandifolia Kelaart, 1857 | Elysia grandifolia | 3477 |
| Elysia halimedae Macnae, 1954 | Elysia halimedae | 866 |
| Elysia hedgpethi Marcus, 1961 | Elysia hedgpethi | 19 |
| Elysia hetta Perrone, 1990 | Elysia hetta | 3477 |
| Elysia hirasei Baba, 1955 | Elysia hirasei | 3477 |
| Thuridilla hoffae Gosliner, 1995 | Thuridilla hoffae | 844 |
| Thuridilla indopacifica Gosliner, 1995 | Thuridilla indopacifica | 844 |
| Elysia japonica Eliot, 1913 | Elysia japonica | 3477 |
| Elysia leucolegnote Jensen, 1990 | Elysia leucolegnote | 3477 |
| Elysia livida Baba, 1955 | Thuridilla livida | 3477 |
| Elysia maoria Powell, 1937 | Elysia maoria | 7727 |
| Bosellia marcusi Marcus, 1972 | Bosellia marcusi | 19 |
| Elysia margaritae Fez, 1962 | Elysia margaritae | 3477 |
| Thuridilla mazda Ortea & Espinosa, 2000 | Thuridilla mazda | 83435 |
| Bosellia mimetica Trinchese, 1891 | Bosellia mimetica | 19 |
| Thuridilla neona Gosliner, 1995 | Thuridilla neona | 844 |
| Elysia nigrocapitata Baba, 1957 | Elysia nigrocapitata | 3477 |
| Elysia nisbeti Thompson, 1977 | Elysia nisbeti | 83435 |
| Elysia obtusa Baba, 1938 | Elysia obtusa | 3477 |
| Plakobranchus ocellatus van Hasselt, 1824 | Plakobranchus ocellatus | 844 |
| Thallepus ornata Swainson, 1840 | Elysia ornata | 83435 |
| Elysia papillosa Verrill, 1901 | Elysia papillosa | 19 |
| Elysia patagonica Muniain & Ortea, 1997 | Elysia patagonica | 83435 |
| Elysia patina Marcus, 1980 | Elysia patina | 19 |
| Elysia picta Verrill, 1901 | Thuridilla picta | 19 |
| Elysia purchoni Thompson, 1977 | Elysia purchoni | 83435 |
| Elysia pusilla Bergh, 1872 | Elysia pusilla | 822 |
| Elysia ratna Marcus, 1965 | Elysia ratna | 75725 |
| Elysia rubeni Martín-Hervás, Carmona, Jensen, Licchelli, Vitale & Cervera, 2020 | Elysia rubeni | 3477 |
| Elysia scops Marcus & Marcus, 1967 | Elysia scops | 83435 |
| Elysia serca Marcus, 1955 | Elysia serca | 19 |
| Elysia subornata Verrill, 1901 | Elysia subornata | 19 |
| Elysia tomentosa Jensen, 1997 | Elysia tomentosa | 844 |
| Elysia translucens Pruvot-Fol, 1957 | Elysia translucens | 3477 |
| Elysia trisinuata Baba, 1949 | Elysia trisinuata | 3477 |
| Elysia tuca Marcus & Marcus, 1967 | Elysia tuca | 19 |
| Thuridilla undula Gosliner, 1995 | Thuridilla undula | 844 |
| Placobranchus variegatus Pease, 1871 | Plakobranchus ocellatus | 3477 |
| Elysia vataae Risbec, 1928 | Thuridilla vataae | 3477 |
| Elysia verrucosa Jensen, 1985 | Elysia verrucosa | 3477 |
| Laplysia viridis Montagu, 1804 | Elysia viridis | 3477 |
| Elysia zuleicae Ortea & Espinosa, 2002 | Elysia zuleicae | 83435 |