Xanthonychoidea is a taxonomic superfamily of air-breathing land snails, land slugs and semi-slugs, terrestrial pulmonate gastropod molluscs 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: