Discus (gastropod)

Discus
A live Discus rotundatus
A live Discus catskillensis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra

Superfamily: Punctoidea
Family: Discidae
Genus: Discus
Fitzinger, 1833[1]

Discus is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Discidae, the disk snails.

Distribution

Distribution of the genus Discus include Europe, northern Asia and North America.[2]

Description

Discus species have small or medium shells with ribs.[2] The umbilicus is wide.[2]

Species

Species in this genus include:

subgenus Discus Fitzinger, 1833

subgenus Gonyodiscus Fitzinger, 1833

subgenus ?

References

  1. Fitzinger L. I. (1833). "Systematisches Verzeichniß der im Erzherzogthume Oesterreich vorkommenden Weichthiere, als Prodrom einer Fauna derselben". Beiträge zur Landeskunde Oesterreich's unter der Enns 3: 88-122. Wien.
  2. 2.0 2.1 2.2 "Genus summary for Discus". AnimalBase, last modified 15 january 2009, accessed 13 January 2011.
  3. 3.0 3.1 3.2 "Species in genus Discus (n=3). AnimalBase, accessed 13 January 2011.
  4. 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 "Discus Fitzinger, 1833". accessed 13 January 2011.
  5. Alonso R. & Ibanez M. (1996). Discus engonatus. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 13 January 2011.
  6. 6.0 6.1 6.2 Fontaine B., Bouchet P., Van Achterberg K., Alonso-Zarazaga M. A., Araujo R. et al. (2007). "The European union’s 2010 target: Putting rare species in focus." Biological Conservation 139: 167-185. Table 2 on the page 173. doi:10.1016/j.biocon.2007.06.012. PDF.
  7. Alonso R. & Ibanez M. (1996). Discus scutula. 2006 IUCN Red List of Threatened Species. Downloaded on 6 August 2007.

External links

Wikimedia Commons has media related to Discus.