Aeolidacea is a suborder of nudibranchs, shell-less marine gastropod molluscs or sea slugs.
Taxonomy The following superfamilies and families are recognised in the suborder Aeolidacea, following the 2025 revision of the taxonomy of Aeolidacea by Korshunova and colleagues based on the results of molecular phylogenetic analysises. Families interpreted as synonyms under the scheme presented by Ekimova et al. (2026) are identified:
Superfamily Aeolidioidea Gray, 1827 Family Aeolidiidae Gray, 1827 Family Babakinidae Roller, 1973 Family Facelinidae Bergh, 1899 Family Favorinidae Bergh, 1899 Family Glaucidae Gray, 1827 Family Myrrhinidae Bergh, 1905 Family Pleurolidiidae Burn, 1966 Superfamily Apataoidea Korshunova et al., 2017 Family Apataidae Korshunova et al., 2017 Superfamily Cumanotoidea Odhner, 1907 Family Cumanotidae Odhner, 1907 Family Pseudovermidae Thiele, 1931 Superfamily Chudoidea Korshunova, Fletcher & Martynov, 2025 Family Chudidae Korshunova, Fletcher & Martynov, 2025 Superfamily Embletonioidea Pruvot-Fol, 1954 Family Embletoniidae Pruvot-Fol, 1954 Superfamily Fionoidea Gray, 1857 Family Abronicidae Korshunova et al., 2017 Family Calmidae Iredale and O’Donoghue, 1923 Family Cuthonellidae Miller, 1971 Family Cuthonidae Odhner, 1934 Family Eubranchidae Odhner, 1934 Family Fionidae Gray, 1857 Family Murmaniidae Korshunova et al., 2017 Family Tergipedidae Bergh, 1889 Family Trinchesiidae Nordsieck, 1972 Family Xenocratenidae Martynov et al., 2020 Superfamily Flabellinoidea Bergh, 1889 Family ?Coryphellidae Bergh, 1889 (proposed junior synonym of Flabellinidae Bergh, 1889) Family Flabellinidae Bergh, 1889 Family ?Paracoryphellidae Miller, 1971 (proposed junior synonym of Flabellinidae Bergh, 1889) Superfamily Flabellinopsoidea Korshunova et al., 2017 Family Flabellinopsidae Korshunova et al., 2017 Family Hantazuidae Korshunova, Fletcher & Martynov, 2025 Superfamily Notaeolidioidea Eliot, 1910 Family Notaeolidiidae Eliot, 1910 Superfamily Samloidea Korshunova et al., 2017 Family Samlidae Korshunova et al. 2017 Superfamily Unidentioidea Millen and Hermosillo, 2012 Family ?Unidentiidae Millen and Hermosillo, 2012 (proposed junior synonym of Piseinotecidae Edmunds, 1970) Superfamily incertae sedis Family Piseinotecidae Edmunds, 1970
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Further reading