Oxychilidae Explained

Oxychilidae is a taxonomic family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Gastrodontoidea.

Distribution

The distribution of Oxychilidae includes the Nearctic, western-Palearctic, eastern-Palearctic, Neotropical, Ethiopia and Hawaii.

Taxonomy

The following three subfamilies were recognized in the taxonomy of Bouchet & Rocroi (2005):

• Subfamily Oxychilinae Hesse, 1927 (1879) - synonyms: Helicellinae H. Adams & A. Adams, 1855 (inv.); Hyalininae Clessin, 1876 (inv.); Hyaliniinae Strebel & Pfeffer, 1879; Nastiinae A. Riedel, 1989
• Subfamily Daudebardiinae Kobelt, 1906
• Subfamily Godwiniinae Cooke, 1921
• Subfamily Nastiinae A. Riedel, 1989

Genera

Genera within the Oxychilidae include:

subfamily Oxychilinae

• Allogenes Gude, 1911
• Araboxychilus A. Riedel, 1977
• Cellariopsis A.J.Wagner, 1914
• Conulopolita O. Boettger, 1879
• Discoxychilus A. Riedel, 1966
• Eopolita Pollonera, 1916
• Gastranodon O. Boettger, 1889
• Iranoxychilus A. Riedel, 1998
• Mediterranea Clessin, 1880 - sometimes as a subgenus of Oxychilus
• Morlina A. J. Wagner 1914 - sometimes as a subgenus of Oxychilus
• Oxychilus Fitzinger, 1833^[1]
  • subgenus Oxychilus Fitzinger 1833^[2]
  • subgenus Riedelius Hudec 1961^[2]
• Pseudopolita Germain, 1908
• Vitrinoxychilus A. Riedel, 1963

subfamily Daudebardiinae

• Carpathica A. J. Wagner, 1895^[3]
• Daudebardia Hartmann, 1821^{[1] [3]} - type genus of the subfamily Daudebardiinae

subfamily Nastiinae

• Nastia Riedel, 1989
• Schistophallus A. J. Wagner, 1914

Cladogram

The following cladogram shows the phylogenic relationships of this family to the other families within the limacoid clade:^[4]

Notes and References

1. Falkner G., Obrdlík P., Castella E. & Speight M. C. D. (2001). Shelled Gastropoda of Western Europe. München: Friedrich-Held-Gesellschaft, 267 pp.
2. http://www.mollbase.org/list/index.php?aktion=zeige_taxon&id=690 "Oxychilus"
3. http://www.mollbase.org/list/index.php?aktion=zeige_taxon&id=711 "Daudebardiidae"
4. Hausdorf B. (2000). "Biogeography of the Limacoidea sensu lato (Gastropoda: Stylommatophora): Vicariance Events and Long-Distance Dispersal". Journal of Biogeography 27(2): 379-390., JSTOR.