Epitonioidea
# Epitonioidea

Epitonioidea is a superfamily of planktonic and ectoparasitic sea snails, marine gastropod molluscs within the informal group Ptenoglossa. This superfamily includes the wentletraps and the purple snails.

## Taxonomy

Families and subfamilies within this superfamily are as follows:

* Family Epitoniidae S.S. Berry, 1910, the wentletraps
* Family Janthinidae Lamarck, 1822, the purple snails
* Family Nystiellidae Clench & Turner, 1952
