Aeolidioidea is a superfamily of nudibranchs, shell-less marine gastropod molluscs or sea slugs, in the suborder Aeolidacea.
Taxonomy Gosliner et al. (2007) elevated the subfamily Babakininae, which was within Facelinidae, to the family level, as Babakinidae.Gosliner T. M., Gonzáles-Duarte M. M. & Cervera J. L. (2007). "Revision of the systematics of Babakina Roller, 1973 (Mollusca: Opisthobranchia) with the description of a new species and a phylogenetic analysis". Zoological Journal of the Linnean Society 151(4): 671-689. .
In 2017, Bouchet and colleagues listed the following families inside Aeolidioidea: Family Aeolidiidae Gray, 1827 Family Babakinidae Roller, 1973 Family Facelinidae Bergh, 1889 Subfamily Facelininae Bergh, 1889 Subfamily Crateninae Bergh, 1889 Subfamily Favorininae Bergh, 1889 Subfamily Herviellinae Burn, 1967 Subfamily Pteraeolidiinae Risbec, 1953 Family Glaucidae Gray, 1827 Family Piseinotecidae Edmunds, 1970 Family Pleurolidiidae Burn, 1966 Family Unidentiidae Millen & Hermosillo, 2012
A study of facelinid relationships in 2019 removed several facelinid genera to the family Myrrhinidae.Martynov, A.; Mehrotra, R.; Chavanich, S.; Nakano, R.; Kashio, S.; Lundin, K.; Picton, B.; Korshunova, T. (2019). The extraordinary genus Myja is not a tergipedid, but related to the Facelinidae s. str. with the addition of two new species from Japan (Mollusca, Nudibranchia). ZooKeys. 818: 89-116.
2025 revision A 2025 revision of the taxonomy of Aeolidacea by Korshunova and colleagues recognised, based on the results of molecular phylogenetic analysises, the following families in the superfamily Aeolidioidea: 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
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