Plakobranchoidea

Plakobranchoidea is a taxonomic superfamily of sea slugs, marine gastropod mollusks within the superorder Sacoglossa.

Families
Families within the superfamily Plakobranchoidea include:
 * Costasiellidae K. B. Clark, 1984
 * Hermaeidae H. Adams & A. Adams, 1854
 * Limapontiidae Gray, 1847
 * Plakobranchidae Gray, 1840
 * Platyhedylidae Salvini-Plawen, 1973 : belongs to the superfamuily Platyhedyloidea
 * Synonyms:
 * Actaeonidae : synonym of Plakobranchidae
 * Alderiidae : synonym of Limapontiidae
 * Boselliidae Ev. Marcus, 1982 : synonym of Plakobranchidae Gray, 1840
 * Caliphyllidae Tiberi, 1881 : synonym of Hermaeidae H. Adams & A. Adams, 1854
 * Elysiidae: synonym of Plakobranchidae
 * Ercolaniinae : synonym of Limapontiidae
 * Jenseneriidae Ortea & Moro, 2015 : synonym of Caliphyllidae Tiberi, 1881 accepted as Hermaeidae H. Adams & A. Adams, 1854
 * Gascoignellidae :synonym of Platyhedylidae
 * Lobiferidae : synonym of Caliphyllidae
 * Oleidae : synonym of Limapontiidae
 * Phyllobranchidae : synonym of Caliphyllidae
 * Phyllobranchillidae : synonym of Caliphyllidae
 * Placobranchidae: synonym of Plakobranchidae
 * Polybranchiidae : synonym of Caliphyllidae
 * Pontolimacidae : synonym of Limapontiidae
 * Stiligeridae : synonym of Limapontiidae