80 Species in Family Facelinidae
| Scientific Name | Author | English Name |
|---|---|---|
| Anetarca armata | Gosliner, 1991 | Armed aeolid |
| Anetarca brasiliana | García & Troncoso, 2004 | |
| Anetarca piutaensis | (Ortea, Caballer & Espinosa, 2003) | |
| Antonietta luteorufa | Schmekel, 1966 | |
| Austraeolis catina | Marcus & Marcus, 1967 | |
| Austraeolis ornata | (Angas, 1864) | Ornate austraeolis |
| Bajaeolis bertschi | Gosliner & Behrens, 1986 | Bertsch's rainbow aeolid |
| Caloria elegans | (Alder & Hancock, 1845) | Pepper and salt slug |
| Caloria indica | (Bergh, 1896) | Indian Caloria |
| Cratena capensis | Barnard, 1927 | White-tipped nudibranch |
| Cratena lineata | (Eliot, 1905) | White-lined cratena |
| Cratena minor | Padula, Araújo, Matthews-Cascon & Schrödl, 2014 | |
| Cratena pawarshindeorum | Bharate, Padula, Apte & Shimpi, 2020 | |
| Cratena peregrina | (Gmelin, 1791) | Tricolor nudibranch |
| Cratena pilata | (Gould, 1870) | Striped nudibranch |
| Cratena poshitraensis | Bharate, Padula, Apte & Shimpi, 2020 | |
| Cratena simba | Edmunds, 1970 | Simba Cratena |
| Dicata odhneri | Schmekel, 1967 | |
| Dondice banyulensis | Portmann & Sandmeier, 1960 | Orange godiva |
| Dondice occidentalis | (Engel, 1925) | Western Dondice |
| Dondice parguerensis | Brandon & Cutress, 1985 | |
| Echinopsole breviceratae | Burn, 1962 | |
| Emarcusia morroensis | Roller, 1972 | Morro Bay aeolid |
| Facelina agari | Smallwood, 1910 | |
| Facelina annulicornis | (Chamisso & Eysenhardt, 1821) | |
| Facelina auriculata | (Müller, 1806) | |
| Facelina bostoniensis | (Couthouy, 1838) | Boston facelina |
| Facelina coenda | Marcus, 1958 | |
| Facelina dubia | Pruvot-fol, 1949 | |
| Facelina fusca | Schmekel, 1966 | |
| Facelina goslingii | Verrill, 1901 | |
| Facelina hartleyi | Burn, 1962 | |
| Facelina newcombi | (Angas, 1864) | |
| Facelina olivacea | Macnae, 1954 | |
| Facelina quatrefagesi | Vayssière, 1888 | |
| Facelina rhodopos | Yonow, 1949 | |
| Facelina rubrovittata | (Costa, 1866) | |
| Facelina rutila | Pruvot-Fol, 1951 | |
| Facelina schwobi | (Labbé, 1923) | |
| Facelina stearnsi | Cockerell, 1901 | Scarlet-tip aeolis |
| Facelinopsis marioni | (Vayssière, 1888) | |
| Filurus dubius | De Kay, 1843 | |
| Favorinus auritulus | Marcus, 1955 | |
| Favorinus blianus | Lemche & Thompson, 1974 | |
| Favorinus branchialis | (Rathke, 1806) | |
| Favorinus elenalexiarum | Garcia & Troncoso, 2001 | Elena and Alexa's aeolid |
| Favorinus ghanensis | Edmunds, 1968 | |
| Favorinus japonicus | Baba, 1949 | Japanese favorinus |
| Favorinus mirabilis | Baba, 1955 | |
| Favorinus pannuceus | Burn, 1962 | |
| Favorinus tsuruganus | Baba & Abe, 1964 | Tsuruga Bay favorinus |
| Favorinus vitreus | Ortea, 1982 | |
| Godiva quadricolor | (Barnard, 1927) | Four-colour nudibranch |
| Godiva rubrolineata | Edmunds, 1964 | |
| Hermissenda crassicornis | (Eschscholtz, 1831) | Hermissenda |
| Hermosita hakunamatata | (Ortea, Caballer & Espinosa, 2003) | Hakunamatata's aeolid |
| Hermosita sangria | Gosliner & Behrens, 1986 | Wine red aeolid |
| Jason mirabilis | Miller, 1974 | Jason's nudibranch |
| Learchis poica | Marcus & Marcus, 1960 | |
| Nanuca sebastiani | Marcus, 1957 | |
| Noumeaella kristenseni | (Marcus & Marcus, 1963) | |
| Noumeaella rubrofasciata | Gosliner, 1991 | Red-headed aeolid |
| Palisa kristenseni | (Marcus & Marcus, 1963) | |
| Palisa papillata | Edmunds, 1964 | |
| Pauleo jubatus | Millen & Hamann, 1992 | Lion mane aeolid |
| Phidiana anulifera | (Baba, 1949) | |
| Phidiana hiltoni | (O'Donoghue, 1927) | Pugnaceous aeolis |
| Phidiana lascrucensis | Bertsch & Ferreira, 1974 | Las cruces aeolid |
| Phidiana lottini | (Lesson, 1831) | Flameback |
| Phidiana lynceus | Bergh, 1867 | |
| Phidiana militaris | (Alder & Hancock, 1864) | Military phidiana |
| Phidiana patagonica | (d'Orbigny, 1836) | |
| Phidiana pegasus | Willan, 1987 | |
| Phidiana pugnax | Lance, 1962 | |
| Phidiana riosi | García & Troncoso, 2003 | |
| Pruvotfolia pselliotes | (Labbe, 1923) | |
| Pteraeolidia ianthina | (Angas,1864) | Blue dragon nudibranch |
| Sakuraeolis arcana | Ellis-Diamond, Picton, Tibiriçá & Sigwart, 2021 | |
| Sakuraeolis enosimensis | (Baba, 1930) | White-tentacle Japanese aeolis |
| Sakuraeolis nungunoides | Rudman, 1980 |