• Aeolidiella indica Bergh, 1888 accepted as Anteaeolidiella indica (Bergh, 1888)
• Anteaeolidiella cacaotica (W. Stimpson, 1855)
• Anteaeolidiella foulisi (Angas, 1864) accepted as Anteaeolidiella cacaotica (W. Stimpson, 1855)
• Anteaeolidiella indica (Bergh, 1888)
• Antiopella capensis (Bergh, 1907)
• Antiopella longidentata (Gosliner, 1981)
• Armina ballesterosi Ortea, 1989
• Armina gilchristi (Bergh, 1907)
• Berghia verrucicornis (A. Costa, 1867)
• Bonisa nakaza Gosliner, 1981
• Bornella stellifera (A. Adams & Reeve, 1848)
• Calmella gaditana (Cervera, García-Gómez & F. J. García, 1987)
• Candiella manicata (Deshayes, 1853)
• Candiella odhneri (J. Tardy, 1963)
• Coryphella capensis Thiele, 1925
• Cratena capensis Barnard, 1927
• Cuthona genovae (O'Donoghue, 1926) accepted as Trinchesia genovae (O'Donoghue, 1926)
• Cuthona pallida (Eliot, 1906)
• Cuthona poritophages Rudman, 1979 accepted as Phestilla poritophages (Rudman, 1979)
• Cuthona speciosa (Macnae, 1954) accepted as Trinchesia speciosa (Macnae, 1954)
• Doridoxa benthalis Barnard, 1963
• Doto cerasi Ortea & Moro, 1998
• Doto cinerea Trinchese, 1881 accepted as Doto rosea Trinchese, 1881
• Doto coronata (Gmelin, 1791)
• Doto moravesa Ortea, 1998
• Doto obscura Eliot, 1906
• Doto pinnatifida (Montagu, 1804)
• Doto rosea Trinchese, 1881
• Duvaucelia manicata (Deshayes, 1853) accepted as Candiella manicata (Deshayes, 1853)
• Duvaucelia odhneri J. Tardy, 1963 accepted as Candiella odhneri (J. Tardy, 1963)
• Embletonia gracilis Risbec, 1928
• Facelina bostoniensis (Couthouy, 1838)
• Favorinus branchialis (Rathke, 1806)
• Favorinus ghanensis Edmunds, 1968
• Favorinus horridus Macnae, 1954 accepted as Phyllodesmium horridum (Macnae, 1954)
• Fiona pinnata (Eschscholtz, 1831)
• Fjordia capensis (Thiele, 1925) accepted as Coryphella capensis Thiele, 1925
• Flabellina bulbosa Ortea & Espinosa, 1998
• Flabellina capensis (Thiele, 1925) accepted as Fjordia capensis (Thiele, 1925) accepted as Coryphella capensis Thiele, 1925
• Flabellina funeka Gosliner & R. J. Griffiths, 1981 accepted as Paraflabellina funeka (Gosliner & R. J. Griffiths, 1981)
• Flabellina gaditana (Cervera, García-Gómez & F. J. García, 1987) accepted as Calmella gaditana (Cervera, García-Gómez & F. J. García, 1987)
• Flabellina llerae Ortea, 1989
• Glaucus atlanticus Forster, 1777
• Godiva quadricolor (Barnard, 1927)
• Janolus capensis Bergh, 1907 accepted as Antiopella capensis (Bergh, 1907)
• Janolus longidentatus Gosliner, 1981 accepted as Antiopella longidentata (Gosliner, 1981)
• Janolus nakaza (Gosliner, 1981) accepted as Bonisa nakaza Gosliner, 1981
• Leminda millecra R. J. Griffiths, 1985
• Lomanotus draconis Ortea & Cabrera, 1999
• Marionia blainvillea (Risso, 1818)
• Melibe bucephala Bergh, 1902
• Melibe fimbriata Alder & Hancock, 1864 accepted as Melibe viridis (Kelaart, 1858)
• Melibe liltvedi Gosliner, 1987
• Melibe pilosa Pease, 1860
• Melibe rosea Rang, 1829
• Melibe vexillifera Bergh, 1880 accepted as Melibe viridis (Kelaart, 1858)
• Melibe viridis (Kelaart, 1858)
• Notobryon wardi Odhner, 1936
• Paraflabellina funeka (Gosliner & R. J. Griffiths, 1981)
• Phestilla melanobrachia Bergh, 1874 accepted as Tenellia melanobrachia (Bergh, 1874)
• Phestilla poritophages (Rudman, 1979)
• Phyllodesmium horridum (Macnae, 1954)
• Phyllodesmium hyalinum Ehrenberg, 1831
• Phyllodesmium serratum (Baba, 1949)
• Piseinotecus gaditanus Cervera, García-Gómez & F. J. García, 1987 accepted as Calmella gaditana (Cervera, García-Gómez & F. J. García, 1987)
• Pruvotfolia longicirrha (Eliot, 1906)
• Pruvotfolia pselliotes (Labbé, 1923)
• Pteraeolidia ianthina (Angas, 1864)
• Scyllaea pelagica Linnaeus, 1758
• Spurilla neapolitana (Delle Chiaje, 1841)
• Tenellia melanobrachia (Bergh, 1874)
• Tenellia speciosa (Macnae, 1954) accepted as Trinchesia speciosa (Macnae, 1954)
• Tergipes tergipes (Forsskål, 1775)
• Tethys fimbria Linnaeus, 1767
• Tethys fimbriata [sic] accepted as Tethys fimbria Linnaeus, 1767
• Trinchesia genovae (O'Donoghue, 1926)
• Trinchesia speciosa (Macnae, 1954)
• Tritonia manicata Deshayes, 1853 accepted as Candiella manicata (Deshayes, 1853)
• Tritonia nilsodhneri Ev. Marcus, 1983 accepted as Candiella odhneri (J. Tardy, 1963)