Gastropod families

Doridomorphidae is a taxonomic family of colorful sea slugs or nudibranchs. They are marine gastropod molluscs.

Azecidae is a family of small and very small air-breathing land snails, terrestrial gastropod mollusks in the superfamily Azecoidea.

Sutilizonidae is a taxonomic family of sea snails, deepwater hydrothermal vent snails, and marine gastropod molluscs in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

The Ancillariidae is a taxonomic family of sea snails, marine gastropod molluscs in the superfamily Olivoidea. They are gastropods, which belong to the larger group of mollusks. This family is part of the superfamily Cypraeoidea, which includes cowries, a well-known group of sea snails.

Megalomastomatidae is a family of tropical land snails with an operculum, terrestrial gastropod mollusks in the superfamily Cyclophoroidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Binneyidae is a family of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the superfamily Arionoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Chronidae is a family of air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the superfamily Trochomorphoidea within the superorder Eupulmonata.

Unidentiidae is a taxonomic family of sea slugs, specifically aeolid nudibranchs, marine gastropod molluscs in the superfamily Fionoidea.

Agardhiellidae is a family of gastropods belonging to the order Stylommatophora.