Baenopsis Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 (status source)
Baenopsis baetica (García-Gómez, 1984) (status source)
Borealea Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 accepted as Coryphella J. E. Gray, 1850 (source of synonymy)
Carronella Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 accepted as Flabellina McMurtrie, 1831 (source of synonymy)
Chlamylla Bergh, 1886 (status source)
Chlamylla islandica (Odhner, 1937) (new combination reference)
Chlamylla parva (M. Hadfield, 1963) (new combination reference)
Chlamylla polaris (Volodchenko, 1946) (new combination reference)
Coryphella J. E. Gray, 1850 (status source)
Coryphella borealis Odhner, 1922 (status source)
Coryphella browni Picton, 1980 (status source)
Coryphella chriskaugei (Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017) (status source)
Coryphella gracilis (Alder & Hancock, 1844) (status source)
Coryphella insolita (García-Gómez & Cervera, 1989) (status source)
Coryphella lineata (Lovén, 1846) (status source)
Coryphella monicae (Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017) (status source)
Coryphella nobilis A. E. Verrill, 1880 (status source)
Coryphella orjani (Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017) (status source)
Coryphellidae Bergh, 1889 accepted as Flabellinidae Bergh, 1889 (source of synonymy)
Coryphellina O'Donoghue, 1929 (status source)
Edmundsella Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 (status source)
Edmundsella dushia (Ev. Marcus & Er. Marcus, 1963) (new combination reference)
Edmundsella pedata (Montagu, 1816) (status source)
Eolis rufibranchialis G. Johnston, 1832 accepted as Coryphella verrucosa (M. Sars, 1829) (source of synonymy)
Fjordia Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 accepted as Coryphella J. E. Gray, 1850 (source of synonymy)
Flabellina cavolini (Vérany, 1846) (additional source)
Flabellina enne (Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017) (basis of record)
Flabellina gabinierei (Vicente, 1975) (basis of record)
Flabellina gaditana (Cervera, García-Gómez & F. J. García, 1987) (additional source)
Flabellina ischitana Y. Hirano & T. E. Thompson, 1990 (status source)
Flabellina pellucida (Alder & Hancock, 1843) (status source)
Flabellinidae Bergh, 1889 (status source)
Flabellinopsidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 (status source)
Gulenia Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 accepted as Coryphella J. E. Gray, 1850 (source of synonymy)
Luisella Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 (status source)
Luisella babai (Schmekel, 1972) (status source)
Luisella bulbosa (Ortea & Espinosa, 1998) (new combination reference)
Microchlamylla Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 accepted as Coryphella J. E. Gray, 1850 (source of synonymy)
Paracoryphella M. C. Miller, 1971 accepted as Chlamylla Bergh, 1886 (source of synonymy)
Paracoryphellidae M. C. Miller, 1971 accepted as Flabellinidae Bergh, 1889 (source of synonymy)
Paraflabellina Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 accepted as Flabellina McMurtrie, 1831 (source of synonymy)
Phetia Korshunova, Fletcher & Martynov, 2025 accepted as Piseinotecus Er. Marcus, 1955 (source of synonymy)
Piseinotecidae Edmunds, 1970 (status source)
Piseinotecus Er. Marcus, 1955 (status source)
Piseinotecus soussi Tamsouri, Carmona, Moukrim & Cervera, 2014 (status source)
Piseinotecus sphaeriferus (Schmekel, 1965) (status source)
Polaria Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 accepted as Chlamylla Bergh, 1886 (source of synonymy)
Samlidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 (status source)
Unidentiidae Millen & Hermosillo, 2012 accepted as Piseinotecidae Edmunds, 1970 (source of synonymy)
Ziminella Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017 (status source)
Ziminella salmonacea (Couthouy, 1838) (status source)