Discus (gastropod)

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Discus rotundatus.jpg
A live Discus rotundatus
Discus catskillensis.jpg
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 of the genus Discus include Europe, northern Asia and North America.[2]


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


Species in this genus include:

subgenus Discus Fitzinger, 1833

subgenus Gonyodiscus Fitzinger, 1833

subgenus ?


  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. ^ a b c "Genus summary for Discus". AnimalBase, last modified 15 january 2009, accessed 13 January 2011.
  3. ^ a b c "Species in genus Discus (n=3). AnimalBase, accessed 13 January 2011.
  4. ^ a b c d e f g h i j k l "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. ^ a b c 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. Archived 27 June 2014 at the Wayback Machine. Downloaded on 6 August 2007.

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