| Discus | |
|---|---|
| |
| A live Discus rotundatus | |
| |
| A live Discus catskillensis | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Discidae |
| Genus: | Discus Fitzinger, 1833[1] |
| Synonyms[2] | |
| |
Discus is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Discidae, the disk snails.
Distribution[edit]
Distribution of the genus Discus include Europe, northern Asia and North America.[3] The former subgenus Canaridiscus from the Canary Islands off North Africa, which was previously allocated to Atlantica, is now raised to a full genus.
Description[edit]
Discus species have small or medium shells with ribs.[3] The umbilicus is wide.[3]
Species[edit]
Species in this genus include:
subgenus Discus Fitzinger, 1833
- Discus ruderatus Férussac, 1821 – type species[4]
- Discus whitneyi (Newcomb, 1864) – Forest disc[5]
subgenus Gonyodiscus Fitzinger, 1833
- Discus brunsoni Berry, 1955 – Lake disc[5]
- Discus marmorensis H. B. Baker, 1932 – Marbled disc[5]
- Discus perspectivus J. C. M. von Mühlfeld, 1816[4]
- Discus rotundatus (O. F. Müller, 1774) – rotund disc[4][5]
subgenus ?
- Discus bryanti (Harper, 1881) – saw-tooth disc, sawtooth disc[5]
- Discus catskillensis (Pilsbry, 1896) – angular disc[5]
- Discus clappi (Pilsbry, 1924) – channelled disc[5]
- Discus macclintocki F. C. Baker, 1928 – Iowa pleistocene snail, Pleistocene disc[5]
- Discus nigrimontanus Pilsbry, 1924 – Black Mountain disc[5]
- Discus patulus (G. P. Deshayes, 1830) – domed disc[5]
- Discus selenitoides (Pilsbry, 1890) – file disc[5]
- Discus shimekii (Pilsbry, 1890) – striate disc[5]
- Species brought into synonymy[6]
- Discus alternata: synonym of Anguispira alternata (superseded combination)
- Discus cronkhitei: synonym of Discus whitneyi (junior subjective synonym)
- Discus gomerensis: synonym of Canaridiscus gomerensis
- Discus laurisilvae: synonym of Canaridiscus laurisilvae
- Discus orientalus: synonym of Calogoniodiscus orientalus (superseded combination)
- Discus perelegans: synonym of Calogoniodiscus perelegans (superseded combination)
- Discus rupivagus: synonym of Canaridiscus rupivagus
- Discus serratus: synonym of Priodiscus serratus (superseded combination)
- Discus victorianus: synonym of Radiocentrum victoriana (superseded combination)
- Discus vorticella: synonym of Ctenophila vorticella (superseded combination)
References[edit]
- ^ 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.
- ^ "Discus". Global Biodiversity Information Facility.
- ^ a b c "Genus summary for Discus". AnimalBase, last modified 15 january 2009, accessed 13 January 2011.
- ^ a b c "Species in genus Discus (n=3). AnimalBase, accessed 13 January 2011.
- ^ a b c d e f g h i j k l "Discus". Integrated Taxonomic Information System. Retrieved 19 June 2023.
- ^ MolluscaBase eds. (2022). MolluscaBase. Discus Fitzinger, 1833. Accessed through: World Register of Marine Species at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=851153 on 2023-06-20