Xanthonychidae

Xanthonychidae
	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:	Helicoidea
Family:	Xanthonychidae; Strebel & Pfeffer, 1879
Type genus
	Xanthonyx;

Xanthonychidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.

2005 taxonomy

The family Xanthonychidae consists of the following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):^[2]

Xanthonychinae Strebel & Pfeffer, 1879
Lysinoinae Hoffmann, 1928
- tribe Lysinoini Hoffmann, 1928
- tribe Leptariontini H. Nordsieck, 1987 - synonym: Tryonigentinae Schileyko, 1991
Metostracinae H. Nordsieck, 1987
Trichodiscininae H. Nordsieck, 1987
- Trichodiscini H. Nordsieck, 1987
- Miraverelliini Schileyko, 1991

Lysinoidae may be treated as a separate family with subfamilies Leptariontinae, Lysinoinae and Metostracinae.^[3]

Genera in the family Xanthonychidae include:

subfamily Xanthonychinae

Xanthonyx Crosse & P. Fischer, 1867 - the type genus of the family Xanthonychidae^[2]

subfamily Trichodiscininae
tribe Trichodiscini

Trichodiscina E. von Martens, 1892 - synonym: Trichodiscus Strebel & Pfeffer, 1879

tribe Miraverelliini

^ 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.
^ Bank, R. (2017). Lysinoidae Hoffmann, 1928. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=994710 on 2017-08-29