Xanthonychoidea is a taxonomic superfamily of air-breathing land snails, land slugs and semi-slugs, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.
The taxon Xanthonychoidea was not used in the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.[2] The family Xanthonychidae was placed within the superfamily Helicoidea.[2]
Thompson & Naranjo-García (2012) described a new family Echinichidae and placed it to the superfamily Xanthonychoidea.[3]
Families within the Xanthonychoidea include:
Xanthonychoidea is a taxonomic superfamily of air-breathing land snails, land slugs and semi-slugs, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.