CuthonidaeCuthonidae is a family of sea slugs, aeolid nudibranchs, marine gastropod molluscs in the superfamily Fionoidea.Taxonomic historyThis family was reinstated as a result of a molecular phylogenetics study.GeneraGenera within the family Cuthonidae include:Bohuslania Korshunova, Lundin, Malmberg, Picton & Martynov, 2018 Cuthona Alder & Hancock, 1855