Cimoidea

Cimoideais a superfamily of rather specialized, highly evolved sea slugs and sea snails, (marine gastropod mollusks) within the infraclass "Lower Heterobranchia".

Families

 * Cimidae Warén, 1993
 * Synonyms:
 * Graphididae J.C. N. Barros, Mello, F. N. Barros, S. Lima, Santos, Cabral & Padovan, 2003 : synonym of Cimidae Warén, 1993
 * † Tofanellidae Bandel, 1995 : synonym of Cimidae Warén, 1993
 * † Subfamily Usedomellinae Gründel, 1998 : synonym of Cimidae Warén, 1993