Clithon

Clithon is a genus of freshwater snails[2] or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. [3]

Clithon
Clithon retropictum
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Neritimorpha
Order: Cycloneritida
Superfamily: Neritoidea
Family: Neritidae
Genus: Clithon
Montfort, 1810[1]
Type species
Nerita corona
Linnaeus, 1758</small
Synonyms
  • Clithon (Clithon) Montfort, 1810
  • Clithon (Pictoneritina) Iredale, 1936
  • Corona Récluz, 1850 (objective synonym)
  • Nerita (Clithon) Montfort, 1810
  • Neritina (Clithon) Montfort, 1810
  • Pictoneritina Iredale, 1936*
  • Theodoxus (Pictoneritina) Iredale, 1936 (new combination)

Distribution

Distribution of the genus Clithon includes the Comoro Islands (3 species),[2] Madagascar (3 or more species) and the Mascarene Islands.[2]

Description

Some species, such as Clithon coronatum have spines on its shell.[2]

Species
Clithon diadema shell

Species in the genus Clithon include:

  • Clithon angulosum (Récluz, 1843)[4]
  • Clithon aspersum (G. B. Sowerby II, 1849)[4]
  • † Clithon avellana (Récluz, 1842)[4]
  • Clithon barbei Symonds & Pacaud, 2010 †
  • † Clithon bezieri (Dalimier, 1918)
  • Clithon bicolor (Récluz, 1843)[4]
  • † Clithon bouryi (Cossmann, 1888)
  • † Clithon bristowi (Wenz, 1929)[4]
  • Clithon castanea (Hombron & Jacquinot, 1848)[4]
  • Clithon celatum (Récluz, 1846)[4]
  • Clithon chlorostoma (G.B. Sowerby I, 1833)[4]
  • Clithon circumvolutum (Récluz, 1843)[4]
  • † Clithon coeuvrense Vrinat, 2019
  • † Clithon concavum (J. Sowerby, 1823)
  • Clithon corona (Linnaeus, 1758)[4]
  • Clithon coronatum (Leach, 1815)[4]
  • † Clithon cranmorense Symonds, 2006
  • Clithon cryptum Eichhorst, 2016[4]
  • Clithon cuvieriana
  • Clithon diadema (Récluz, 1841)[4]
  • Clithon dispar (Pease, 1868)[4]
  • Clithon dominguense (Lamarck, 1822)[4]
  • Clithon donovani (Récluz, 1843)[4]
  • Clithon dringii (Récluz, 1846)[4]
  • Clithon elegans (Deshayes, 1824) †
  • Clithon eudeli (G. B. Sowerby III, 1917)[4]
  • Clithon faba G. B. Sowerby I, 1836[4]
  • Clithon flavovirens (von dem Busch, 1843)[4]
  • Clithon francoisi (Mabille, 1895)[4]
  • Clithon fuliginosum (von dem Busch, 1843)[4]
  • † Clithon hillae'' Symonds, 2015 †
  • † Clithon inequidentatum (Récluz, 1850)
  • Clithon leachii (Récluz, 1841)
  • Clithon lentiginosum (Reeve, 1855)[5]
  • Clithon luctuosum (Récluz, 1841)
  • Clithon madecassinum (Morelet, 1860)
  • Clithon mertonianum (Récluz, 1843)[4]
  • Clithon michaudi (Récluz, 1841)
  • † Clithon mortoni Symonds, 2015
  • Clithon nigrispinis Lesson, 1831
  • Clithon nucleolus (Morelet, 1857)
  • †Clithon nucleus (Deshayes, 1832)
  • † Clithon occultatum Vrinat, 2019
  • Clithon olivaceum (Récluz, 1843)
  • Clithon oualaniense (Lesson, 1831)
  • Clithon parvulum (Le Guillou, 1841)
  • † Clithon passyanum (Deshayes, 1864)
  • Clithon peguense (Blanford, 1867)
  • † Clithon pisiforme (Férussac, 1823)
  • † Clithon planulatum (F. E. Edwards in Lowry, 1866)
  • † Clithon pococki Symonds, 2015
  • Clithon pritchardi (Dohrn, 1861)
  • Clithon pulchellum (Récluz, 1843)
  • Clithon rarispina (Mousson, 1849)
  • Clithon recluzianum (Le Guillou, 1841)
  • Clithon reticulare (G. B. Sowerby I, 1836)[6]
  • Clithon retropictum (von Martens, 1879)
  • Clithon rugatum (Récluz, 1842)
  • Clithon ruginosum (Récluz, 1841)
  • † Clithon saincenyense (Deshayes, 1864)
  • † Clithon sobrinum (A. Férussac, 1823)
  • Clithon souleyetanum (Récluz, 1842)
  • Clithon sowerbianum (Récluz, 1843)
  • Clithon spiniferum (Récluz, 1842)
  • Clithon spinosum (G. B. Sowerby I, 1825) - synonyms: Clithon spinosus, Clithon spinosa[7][8]
  • Clithon squarrosum (Récluz, 1843)
  • † Clithon stintoni Symonds, 2009
  • Clithon subgranosum (G. B. Sowerby I, 1836)
  • Clithon subpunctatum (Récluz, 1843)
  • Clithon teres Eichhorst, 2016
  • Clithon thermophilum (Martens, 1878)
  • † Clithon tigrinum Vrinat, 2019 †
  • † Clithon transbaicalicus Popova, 1981
  • Clithon triseriale (G. B. Sowerby I, 1836) (taxon inquirendum)
  • Clithon tritonense (Le Guillou, 1841) (taxon inquirendum)
  • Clithon undatus Lesson, 1831 [9]
  • Clithon wallacei (Dohrn, 1861)
  • † Clithon waltoni (Symonds, 2002)
  • † Clithon zonarium (Deshayes, 1832)
Species brought into synonymy
  • Clithon glabratum (G.B. Sowerby II, 1849):[4] synonym of Vitta glabrata (G. B. Sowerby II, 1849)
  • Clithon longispina (Récluz, 1841):[2] synonym of Clithon coronatum (Leach, 1815) (junior synonym)

Ecology

It lives in rapid streams.[2]

References
  1. Montfort (1810). Conch. Syst. 2: 326.
  2. Brown D. S. (1994). Freshwater Snails of Africa and their Medical Importance. Taylor & Francis. ISBN 0-7484-0026-5.
  3. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=737507 on 2020-08-21
  4. Bouchet, P.; Rosenberg, G. (2016). Clithon Montfort, 1810. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=737507 on 2017-11-29
  5. Bouchet, P. (2016). Clithon lentiginosum. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=873242 on 2017-11-29
  6. MolluscaBase (2018). Clithon reticulare (G. B. Sowerby I, 1836). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=873608 on 2018-09-26
  7. Myers M. J., Meyer C. P. & Resh V. H. (2000). "Neritid and thiarid gastropods from French Polynesian streams: how reproduction (sexual, parthenogenetic) and dispersal (active, passive) affect population structure". Freshwater Biology 44: 535–545. doi:10.1046/j.1365-2427.2000.00599.x.
  8. Bouchet, P.; Rosenberg, G. (2016). Clithon spinosum (G. B. Sowerby I, 1825). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=737522 on 2016-09-06
  9. GBiF: Clithon undatus
  • Le Guillou, E., 1841. Description de quatorze Nerites nouvelles. Revue Zoologique par la Société Cuvierienne 4: 343-347
  • Mabille, J., 1895. Mollusques des Nouvelles-Hébrides recueillis par M. le Docteur François. Bulletin de la Société d'Histoire naturelle d'Autun 8: 393-411
  • Eichhorst T.E. (2016). Neritidae of the world. Volume 1. Harxheim: Conchbooks. 695 pp
  • Montfort P. [Denys de. (1808-1810). Conchyliologie systématique et classification méthodique des coquilles. Paris: Schoell. Vol. 1: pp. lxxxvii + 409 [1808]. Vol. 2: pp. 676 + 16]


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