Poromyoidea
Poromyoidea is a superfamily of molluscs. It used to contain only the family Poromyidae, but now it also contains Cetoconchidae, as Cetoconcha was removed from Poromyidae and given its own family, according to the World Register of Marine Species.Members of Poromyoidea are:
- Cetoconchidae
- * Cetoconcha
- Poromyidae
- *Cetomya
- * Dermatomya
- * Dilemma
- * †Liopistha
- * Lissomya
- * Poromya