Caenogastropoda

Caenogastropoda is a taxonomic subclass of molluscs in the class Gastropoda. It is a large diverse group which are mostly sea snails and other marine gastropod mollusks, but also includes some freshwater snails and some land snails. The subclass is the most diverse and ecologically successful of the gastropods.

The Campaniloidea is a superfamily of sea snails, marine gastropod molluscs. The Campaniloidea are unassigned to an order in the clade Caenogastropoda.

Abyssochrysoidea is a superfamily of deep-water sea snails, marine gastropod mollusks unassigned to an order in the subclass Caenogastropoda.

Triphoroidea is a superfamily of small sea snails, marine gastropod molluscs or micromolluscs within the informal group Ptenoglossa.