Flabellinidae Dall & Simpson, 1901
Flabellina affinis (Gmelin, 1791)
Flabellina albomarginata (Miller, 1971)
Flabellina alternata Ortea & Espinosa, 1998
Flabellina amabilis Hirano & Kuzirian, 1991
Flabellina arveloi Ortea & Espinosa, 1998
Flabellina athadona (Bergh, 1875)
Flabellina babai Schmekel, 1972
Flabellina baetica Garcia-Gomez, 1984
Flabellina bertschi Gosliner & Kuzirian, 1990
Flabellina bicolor (Kelaart, 1858)
Flabellina borealis (Odhner, 1922)
Flabellina browni (Picton, 1980)
Flabellina bulbosa Ortea & Espinosa, 1998
Flabellina californica (Bergh, 1904)
Flabellina capensis (Thiele, 1925)
Flabellina cerverai Fischer, van der Velde & Roubos, 2007
Flabellina confusa Gonzalez-Duarte, Cervera & Poddubetskaia, 2008
Flabellina cooperi (Cockerell, 1901)
Flabellina cynara (Marcus & Marcus, 1967)
Flabellina dana Millen & Hamann, 2006
Flabellina delicata Gosliner & Willan, 1991
Flabellina dushia (Marcus Ev. & Er., 1963)
Flabellina engeli Ev. Marcus & Er. Marcus, 1968
Flabellina evelinae Edmunds, 1989
Flabellina exoptata Gosliner & Willan, 1991
Flabellina falklandica (Eliot, 1907)
Flabellina fogata Millen & Hermosillo, 2007
Flabellina funeka Gosliner & Griffiths, 1981
Flabellina goddardi Gosliner, 2010
Flabellina gracilis (Alder & Hancock, 1844)
Flabellina hamanni Gosliner, 1994
Flabellina ilidioi Calado, Ortea & Caballer, 2005
Flabellina insolita Garcia-Gomez & Cervera, 1989
Flabellina iodinea (J. G. Cooper, 1863)
Flabellina ischitana Hirano & Thompson, 1990
Flabellina islandica (Odhner, 1937)
Flabellina japonica (Volodchenko, 1937)
Flabellina lineata (Lovén, 1846)
Flabellina llerae Ortea, 1989
Flabellina macassarana Bergh, 1905
Flabellina marcusorum Gosliner & Kuzirian, 1990
Flabellina nobilis (A. E. Verrill, 1880)
Flabellina pallida (A. E. Verrill, 1900)
Flabellina parva (Hadfield, 1963)
Flabellina pedata (Montagu, 1815)
Flabellina pellucida (Alder & Hancock, 1843)
Flabellina poenicia (Burn, 1957)
Flabellina polaris Volodchenko, 1946
Flabellina pricei (MacFarland, 1966)
Flabellina riwo Gosliner & Willan, 1991
Flabellina rubrolineata (O'Donoghue, 1929)
Flabellina rubropurpurata Gosliner & Willan, 1991
Flabellina salmonacea (Couthouy, 1838)
Flabellina salmonica
Flabellina sarsi (Friele, 1902)
Flabellina subrosacea (Eschscholtz, 1831)
Flabellina telja Marcus & Marcus, 1967
Flabellina trilineata (O'Donoghue, 1921)
Flabellina trophina (Bergh, 1894)
Flabellina vansyoci Gosliner, 1994
Flabellina verrucosa (M. Sars, 1829)
Flabellina verta (Ev. Marcus, 1970)