Xanthonychoidea

Xanthonychoidea
	Averellia desidens shell
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia; clade Euthyneura; clade Panpulmonata; clade Eupulmonata; clade Stylommatophora; informal group Sigmurethra
Superfamily:	Xanthonychoidea; Strebel & Pfeffer, 1879

Xanthonychoidea is a taxonomic superfamily of air-breathing land snails, land slugs and semi-slugs, terrestrial pulmonate gastropod molluscs in the clade Stylommatophora.

Taxonomy

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:

^ Strebel & Pfeffer (1879). Beitrag zur Kenntniss der Fauna mexicanischer Land- und Süsswasser Conchylien, 4: 25.
^ ^a ^b Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. 47 (1–2). Hackenheim, Germany: ConchBooks: 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
^ Thompson F. G. & Naranjo-García E. (2012). "Echinichidae, a new family of dart-bearing helicoid slugs from Mexico, with the description of a new genus and three new species (Gastropoda: Pulmonata: Xanthonychoidea)". Archiv für Molluskenkunde 141(2): 197-208. doi:10.1127/arch.moll/1869-0963/141/197-208. preview.

Xanthonychoidea

Averellia desidens shell
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra
Superfamily:	Xanthonychoidea Strebel & Pfeffer, 1879^[1]