| Nominal Species (n = 44) | Present allocation (n = 39) | Ref. |
|---|---|---|
| Flabellina amabilis Hirano & Kuzirian, 1991 | Flabellina amabilis | 822 |
| Coryphellina aurora Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022 | Coryphellina aurora | 3477 |
| Flabellina babai Schmekel, 1972 | Flabellina babai | 3477 |
| Flabellina baetica Garcia-Gomez, 1984 | Flabellina baetica | 3477 |
| Calmella bandeli Marcus, 1976 | Calmella bandeli | 83435 |
| Flabellina bertschi Gosliner & Kuzirian, 1990 | Flabellina bertschi | 822 |
| Chlamylla borealis Bergh, 1886 | Flabellina borealis | 83435 |
| Coryphella borealis Odhner, 1922 | Flabellina borealis | 19 |
| Cuthona bractea Burn, 1962 | Tularia bractea | 7727 |
| Moridilla brockii Bergh, 1888 | Moridilla brockii | 914 |
| Coryphella browni Picton, 1980 | Flabellina browni | 19 |
| Coryphella cooperi Cockerell, 1901 | Flabellina cooperi | 1667 |
| Flabellina dana Millen & Hamann, 2006 | Flabellina dana | 83435 |
| Coryphella dushia Marcus & Marcus, 1963 | Flabellina dushia | 83435 |
| Flabellina engeli Marcus & Marcus, 1968 | Flabellina engeli | 19 |
| Flabellina exoptata Gosliner & Willan, 1991 | Flabellina exoptata | 844 |
| Coryphella falklandica Eliot, 1907 | Flabellina falklandica | 83435 |
| Coryphellina flamma Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022 | Coryphellina flamma | 3477 |
| Flabellina funeka Gosliner & Griffiths, 1981 | Flabellina funeka | 866 |
| Coryphella fusca O'Donoghue, 1921 | Flabellina trophina | 75097 |
| Flabellina hamanni Gosliner, 1994 | Coryphellina hamanni | 83435 |
| Flabellina indica Bergh, 1902 | Coryphellina indica | 3477 |
| Nossis indica Bergh, 1902 | Coryphellina indica | 78073 |
| Flabellina ischitana Hirano & Thompson, 1990 | Flabellina ischitana | 3477 |
| Coryphella longicaudata O'donoghue, 1922 | Flabellina verrucosa | 75097 |
| Coryphellina lotos Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, etal., 2017 | Coryphellina lotos | 3477 |
| Flabellina lucianae Dacosta, Cunha, Simone & Schrödl, 2007 | Flabellina lucianae | 83435 |
| Flabellina macassarana Bergh, 1905 | Flabellina macassarana | 3204 |
| Flabellina marcusorum Gosliner & Kuzirian, 1990 | Flabellina marcusorum | 822 |
| Coryphella nobilis Verrill, 1880 | Flabellina nobilis | 75097 |
| Coryphella pallida Verrill, 1900 | Flabellina pallida | 19 |
| Coryphellina pannae Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022 | Coryphellina pannae | 3477 |
| Coryphella parva Hadfeild, 1963 | Flabellina parva | 19 |
| Eolis pellucida Alder & Hancock, 1843 | Flabellina pellucida | 3446 |
| Coryphella pricei MacFarland, 1966 | Flabellina pricei | 75097 |
| Coryphellina pseudolotos Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022 | Coryphellina pseudolotos | 3477 |
| Coryphella rutila Verrill, 1879 | Flabellina pellucida | 19 |
| Eolis salmonacea Couthouy, 1838 | Flabellina salmonacea | 3446 |
| Coryphella stimpsoni Verrill, 1880 | Flabellina salmonacea | 19 |
| Cuthona stimpsoni Verrill, 1880 | Flabellina salmonacea | 19 |
| Flabellina telja Marcus & Marcus, 1967 | Flabellina telja | 822 |
| Coryphella trilineata O'Donoghue, 1921 | Flabellina trilineata | 75097 |
| Flabellina vansyoci Gosliner, 1994 | Flabellina vansyoci | 822 |
| Coryphella verta Marcus, 1970 | Flabellina verta | 3446 |