Discus (gastropod)
| Discus | |
|---|---|
 | |
| A live Discus rotundatus | |
 | |
| A live Discus catskillensis | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia
clade Euthyneura |
| 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
- Discus ruderatus Férussac, 1821 - type species[3]
subgenus Gonyodiscus Fitzinger, 1833
- Discus perspectivus J. C. M. von Mühlfeld, 1816[3]
- Discus rotundatus (O. F. Müller, 1774) - rotund disc[3][4]
subgenus ?
- Discus brunsoni Berry, 1955 - Lake Disc[4]
- Discus bryanti (Harper, 1881) - saw-tooth disc, sawtooth disc[4]
- Discus catskillensis (Pilsbry, 1896) - angular disc[4]
- Discus clappi (Pilsbry, 1924) - channelled disc[4]
- Discus engonatus Shuttleworth, 1852 - extinct[5][6]
- Discus ganodus Mabille, 1882
- Discus gomerensis Rähle, 1994
- Discus guerinianus R. T. Lowe, 1852
- Discus kompsus J. Mabille, 1883
- Discus macclintocki F. C. Baker, 1928 - Iowa pleistocene snail, Pleistocene disc[4]
- Discus marmorensis H. B. Baker, 1932 - Marbled Disc[4]
- Discus nigrimontanus Pilsbry, 1924 - Black Mountain disc[4]
- Discus patulus (G. P. Deshayes, 1830) - domed disc[4]
- Discus putrescens (R. T. Lowe, 1861)
- Discus retextus Shuttleworth, 1852[6]
- Discus scutula Shuttleworth, 1852[7]
- Discus selenitoides (Pilsbry, 1890) - file disc[4]
- Discus shimekii (Pilsbry, 1890) - Striate Disc[4]
- Discus textilis Shuttleworth, 1852 - extinct[6]
- Discus whitneyi (Newcomb, 1864) - Forest Disc[4]
References
- ↑ 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.
- ↑ 2.0 2.1 2.2 "Genus summary for Discus". AnimalBase, last modified 15 january 2009, accessed 13 January 2011.
- ↑ 3.0 3.1 3.2 "Species in genus Discus (n=3). AnimalBase, accessed 13 January 2011.
- ↑ 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.
- ↑ 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.
- ↑ 6.0 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.
- ↑ Alonso R. & Ibanez M. (1996). Discus scutula. 2006 IUCN Red List of Threatened Species. Downloaded on 6 August 2007.
External links
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