Xanthonychidae

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

This family is within the superorder Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

2017 taxonomy

The family Xanthonychidae consists of the following subfamilies:

• Echinichinae <small>F.G. Thompson & Naranjo-García, 2012</small>
• Epiphragmophorinae <small>Hoffmann, 1928</small>
• Helminthoglyptinae <small>Pilsbry, 1939</small>
• Humboldtianinae <small>Pilsbry, 1939</small>
• Lysinoinae <small>Hoffmann, 1928</small>
• tribe Lysinoini <small>Hoffmann, 1928</small>
• tribe Leptariontini <small>H. Nordsieck, 1987</small> - synonym: Tryonigentinae Schileyko, 1991
• tribe Metostracini <small>H. Nordsieck, 1987</small>
• Metostracinae <small>H. Nordsieck, 1987</small>: synonym of Metostracini <small>H. Nordsieck, 1987</small> (original rank)
• Monadeniinae <small>H. Nordsieck, 1987</small>
• Xanthonychinae <small>Strebel & Pfeffer, 1879</small>

Trichodiscininae <small>H. Nordsieck, 1987</small>: belongs to the family Trichodiscinidae <small>H. Nordsieck, 1987</small>

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

Genera

Genera in the family Xanthonychidae include:

Subfamily Echinichinae <small>F.G. Thompson & Naranjo-García, 2012</small>

• Echinix <small>F.G. Thompson & Naranjo-García, 2012</small>

Subfamily Epiphragmophorinae <small>Hoffmann, 1928</small>

• Angrandiella <small>Ancey, 1886</small>
• Dinotropis <small>Pilsbry & Cockerell, 1937</small>
• Doeringina <small>Ihering, 1929</small>
• Epiphragmophora <small>Doering, 1875</small>
• Karlschmidtia <small>F. Haas, 1955</small>
• Minaselates <small>Cuezzo & Pena, 2017</small>
• Pilsbrya <small>Ancey, 1887</small>

subfamily Helminthoglyptinae <small>Pilsbry, 1939</small>

Subfamily Humboldtianinae <small>Pilsbry, 1939</small>

• Tribe Bunnyini <small>H. Nordsieck, 1987</small>
• Bunnya <small>H. B. Baker, 1942</small>
• Tribe Humboldtianini <small>Pilsbry, 1939</small>
• Humboldtiana <small>Ihering, 1892</small>

Subfamily Lysinoinae <small>Hoffmann, 1928</small>

• Tribe Leptariontini <small>H. Nordsieck, 1987</small>
• Leptarionta <small>Crosse & P. Fischer, 1872</small>
• Semiconchula <small>Naranjo-Garcia & Polaco, 2000</small>
• Tryonigens <small>Pilsbry, 1927</small>
• Tribe Lysinoini <small>Hoffmann, 1928</small>
• Lysinoe <small>H. Adams & A. Adams, 1855</small>
• Tribe Metostracini <small>H. Nordsieck, 1987</small>
• Cryptostrakon <small>W.G. Binney, 1879</small>
• Metostracon <small>Pilsbry, 1900</small>

Subfamily Monadeniinae <small>H. Nordsieck, 1987</small>

• Monadenia <small>Pilsbry, 1895</small>

Subfamily Xanthonychinae <small>Strebel & Pfeffer, 1879</small>

• Xanthonyx <small>Crosse & P. Fischer, 1867</small> - the type genus of the family Xanthonychidae

References

• Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16, 2017