''Clithon'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

freshwater snail Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

s or

brackish Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...

snails that have an operculum, aquatic

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Neritidae Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum. MolluscaBase eds. (2021). MolluscaBase. Neritininae Poey, 1852. Accessed through: ...

, the nerites. 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

Distribution

Distribution of the genus ''Clithon'' includes the

Comoro Islands The Comoro Islands or Comoros ( Shikomori ''Komori''; ar, جزر القمر , ''Juzur al-qamar''; french: Les Comores) form an archipelago of volcanic islands situated off the southeastern coast of Africa, to the east of Mozambique and northw ...

(3 species),

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

(3 or more species) and the

Mascarene Islands The Mascarene Islands (, ) or Mascarenes or Mascarenhas Archipelago is a group of islands in the Indian Ocean east of Madagascar consisting of the islands belonging to the Republic of Mauritius as well as the French department of Réunion. Thei ...

.Brown D. S. (1994). ''Freshwater Snails of Africa and their Medical Importance''.

Taylor & Francis Taylor & Francis Group is an international company originating in England that publishes books and academic journals. Its parts include Taylor & Francis, Routledge, F1000 (publisher), F1000 Research or Dovepress. It is a division of Informa ...

. .

Description

Some species, such as '' Clithon coronatum'' have spines on its shell.

Species

Species in the genus ''Clithon'' include: * '' Clithon angulosum'' (Récluz, 1843)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 * '' Clithon aspersum'' (G. B. Sowerby II, 1849) * † '' Clithon avellana'' (Récluz, 1842) * '' Clithon barbei'' Symonds & Pacaud, 2010 † * † '' Clithon bezieri'' (Dalimier, 1918) * '' Clithon bicolor'' (Récluz, 1843) * † '' Clithon bouryi'' (Cossmann, 1888) * † '' Clithon bristowi'' (Wenz, 1929) * '' Clithon castanea'' (Hombron & Jacquinot, 1848) * '' Clithon celatum'' (Récluz, 1846) * '' Clithon chlorostoma'' (G.B. Sowerby I, 1833) * '' Clithon circumvolutum'' (Récluz, 1843) * † '' Clithon coeuvrense'' Vrinat, 2019 * † ''

Clithon concavum ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (J. Sowerby, 1823) * '' Clithon corona'' (Linnaeus, 1758) * '' Clithon coronatum'' (Leach, 1815) * † '' Clithon cranmorense'' Symonds, 2006 * '' Clithon cryptum'' Eichhorst, 2016 * '' Clithon cuvieriana'' * ''

Clithon diadema ''Clithon diadema'' is a species of brackish water and freshwater snail with an operculum, a nerite. It is an aquatic gastropod mollusk in the family Neritidae Neritidae, common name the nerites, is a taxonomic family of small to medium-size ...

'' (Récluz, 1841) * '' Clithon dispar'' (Pease, 1868) * '' Clithon dominguense'' (Lamarck, 1822) * ''

Clithon donovani ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Récluz, 1843) * ''

Clithon dringii ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Récluz, 1846) * '' Clithon elegans'' (Deshayes, 1824) † * '' Clithon eudeli'' (G. B. Sowerby III, 1917) * '' Clithon faba'' G. B. Sowerby I, 1836 * '' Clithon flavovirens'' (von dem Busch, 1843) * '' Clithon francoisi'' (Mabille, 1895) * '' Clithon fuliginosum'' (von dem Busch, 1843) * † ''

Clithon hillae ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' ' Symonds, 2015 † * † '' Clithon inequidentatum'' (Récluz, 1850) * ''

Clithon leachii ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Récluz, 1841) * ''

Clithon lentiginosum ''Clithon lentiginosum'' is a species of a freshwater snail with an operculum, a nerite. It is an aquatic gastropod mollusk in the family Neritidae, the nerites. Human use It is a part of ornamental pet trade Wildlife trade refers to the ...

'' (Reeve, 1855) * ''

Clithon luctuosum ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Récluz, 1841) * ''

Clithon madecassinum ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Morelet, 1860) * ''

Clithon mertonianum ''Clithon mertonianum'' is a species of a freshwater snail with an operculum, a nerite. It is an aquatic gastropod mollusk in the family Neritidae, the nerites. Human use It is a part of ornamental pet trade Wildlife trade refers to the o ...

'' (Récluz, 1843) * '' Clithon michaudi'' (Récluz, 1841) * † ''

Clithon mortoni ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' Symonds, 2015 * ''

Clithon nigrispinis ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' Lesson, 1831 * '' Clithon nouletianus'' (Gassies, 1863) * '' Clithon nucleolus'' (Morelet, 1857) * †'' Clithon nucleus'' (Deshayes, 1832) * † '' Clithon occultatum'' Vrinat, 2019 * '' Clithon olivaceum'' (Récluz, 1843) * ''

Clithon oualaniense ''Clithon oualaniense''Rosenberg G. (2015). ''Clithon oualaniense''. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=737519 on 2016-04-04 is a species of bracki ...

'' (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 ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Dohrn, 1861) * '' Clithon pulchellum'' (Récluz, 1843) * ''

Clithon rarispina ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Mousson, 1849) * '' Clithon recluzianum'' (Le Guillou, 1841) * '' Clithon reticulare'' (G. B. Sowerby I, 1836) * '' Clithon retropictum'' (von Martens, 1879) * '' Clithon rugatum'' (Récluz, 1842) * ''

Clithon ruginosum ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Récluz, 1841) * † ''

Clithon saincenyense ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Deshayes, 1864) * † '' Clithon sobrinum'' (A. Férussac, 1823) * '' Clithon souleyetanum'' (Récluz, 1842) * '' Clithon sowerbianum'' (Récluz, 1843) * '' Clithon spiniferum'' (Récluz, 1842) * ''

Clithon spinosum ''Clithon spinosum'' is a species of brackish water and freshwater snail with an operculum, a nerite. It is an aquatic gastropod mollusk in the family Neritidae, the nerites. Distribution Distribution of ''Clithon spinosum'' include Indo-Pac ...

'' (G. B. Sowerby I, 1825) - synonyms: ''Clithon spinosus'', ''Clithon spinosa'' * ''

Clithon squarrosum ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Récluz, 1843) * † ''

Clithon stintoni ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' Symonds, 2009 * '' Clithon subgranosum'' (G. B. Sowerby I, 1836) * '' Clithon subpunctatum'' (Récluz, 1843) * '' Clithon teres'' Eichhorst, 2016 * '' Clithon thermophilum'' (Martens, 1878) * † ''

Clithon tigrinum ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' 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 GBiF: Clithon undatus
/ref> * '' Clithon wallacei'' (Dohrn, 1861) * † '' Clithon waltoni'' (Symonds, 2002) * † ''

Clithon zonarium ''Clithon'' is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites. MolluscaBase eds. (2020). MolluscaBase. Clithon Montfort, 1810. Accessed through: World Regi ...

'' (Deshayes, 1832) ;Species brought into synonymy: * ''Clithon exclamationis'' (Mabille, 1895): synonym of '' Clithon bicolor'' (Récluz, 1843) * ''Clithon glabratum'' (G.B. Sowerby II, 1849): synonym of '' Vitta glabrata'' (G. B. Sowerby II, 1849) * ''Clithon longispina'' (Récluz, 1841): synonym of '' Clithon coronatum'' (Leach, 1815) (junior synonym)

Ecology

It lives in rapid streams.

References

* 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

External links

Montfort P. [Denys de
(1808-1810). Conchyliologie systématique et classification méthodique des coquilles. Paris: Schoell. Vol. 1: pp. lxxxvii + 409 [1808">enys de">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] Neritidae Gastropod genera {{Neritidae-stub