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 and purple snails Family Nystiellidae Clench & Turner, 1952
References