Tergipedidae
Tergipedidae is a family of sea slugs, aeolid nudibranchs, marine gastropod molluscs in the superfamily Fionoidea.The genera in this family were moved to the family Fionidae as a result of a molecular phylogenetics study. This was reversed and the family Tergipedidae restricted to the one nominate genus in 2017 as a result of a re-evaluation of this study and further DNA results.Genera within the family Tergipedidae include:
;Genera and subfamilies currently brought into synonymy:
