''Septaria'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. The term excludes seawater and brackish water, but it does include non-salty mi ...

and

brackish water 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 estuary ...

snails,

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Neritidae Neritidae, common name the nerites, is a Taxonomy (biology), taxonomic Family (biology), family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive Operculum (gastropod), operculum. MolluscaBase eds. (202 ...

. These superficially

limpet Limpets are a group of aquatic snails with a conical gastropod shell, shell shape (patelliform) and a strong, muscular foot. This general category of conical shell is known as "patelliform" (dish-shaped). Existing within the class Gastropoda, ...

-like snails are native to the

Indo-Pacific The Indo-Pacific is a vast biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...

region.Haynes A. (2001). "A revision of the genus ''Septaria'' FÉRUSSAC, 1803 (Gastropoda: Neritimorpha)". '' Annalen des Naturhistorischen Museums in Wien'' 103B: 177-229
PDF
Most species are found in rivers and streams, mainly fast-flowing, but two (''S. livida'' and ''S. tesselata''; sometimes in their own subgenus ''Navicella'') can also live in brackish coastal waters and the lower

tidal Tidal is the adjectival form of tide. Tidal may also refer to: * ''Tidal'' (album), a 1996 album by Fiona Apple * Tidal (king), a king involved in the Battle of the Vale of Siddim * TidalCycles, a live coding environment for music * Tidal (servic ...

section of rivers and streams. Their eggs are attached to hard surfaces such as stones. After hatching, many

veliger A veliger is the planktonic larva of many kinds of sea snails and freshwater snails, as well as most bivalve molluscs (clams) and tusk shells. Description The veliger is the characteristic larva of the gastropod, bivalve and scaphopod taxono ...

s avoid being swept away by the current by swimming close to the bottom, but it is speculated that some flow downstream into the sea only to return to freshwater later. The shell length of these snails is up to , but there are some size variations depending on the exact species.

Species

Species within the genus ''Septaria'' include: * '' Septaria apiata'' (Le Guillou ''in'' Récluz, 1841) * '' Septaria bougainvillei'' (Récluz, 1841) * '' Septaria clypeolum'' (Récluz, 1843) * '' Septaria cumingiana'' (Récluz, 1842) * '' Septaria freycineti'' Récluz, 1842 * '' Septaria janelli'' (Récluz, 1841) * '' Septaria lineata'' (Lamarck, 1816)(file created 29 July 2010
FRESH WATER MOLLUSCAN SPECIES IN INDIA
11 pp. accessed 31 July 2010. * '' Septaria livida'' (Reeve, 1856) * '' Septaria luzonica'' (Souleyet ''in'' Récluz, 1842) * '' Septaria macrocephala'' (Le Guillou ''in'' Récluz, 1841) * ''

Septaria porcellana ''Septaria porcellana'' is a species of freshwater snail, a gastropod mollusc in the family (biology), family Neritidae.MolluscaBase eds. (2022). MolluscaBase. Septaria porcellana (Linnaeus, 1758). Accessed through: World Register of Marine Speci ...

'' (Linnaeus, 1758) * '' Septaria sanguisuga'' (Reeve, 1856) * ''

Septaria sculpta A concretion is a hard and compact mass formed by the precipitation of mineral cement within the spaces between particles, and is found in sedimentary rock or soil. Concretions are often ovoid or spherical in shape, although irregular shapes a ...

'' (E. von Martens, 1881) * '' Septaria tahitiana'' Eichhorst, 2016 * '' Septaria tessellata'' (Lamarck, 1816) * '' Septaria tessellaria'' (Lamarck, 1816) File:Septaria luzonica 01.JPG, Septaria luzonica File:Septaria porcellana 01.jpg, Septaria porcellana File:Septaria tesselata 01.JPG, Septaria tesselata Several additional species have been described, but are now considered

synonyms A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

. ;Species brought into synonymy include: * ''Septaria borbonica'' (Saint-Vincent, 1803) - type species:Brown D. S. (1994). ''Freshwater Snails of Africa and their Medical Importance''.

Taylor & Francis Taylor & Francis Group is an international company originating in the United Kingdom that publishes books and academic journals. Its parts include Taylor & Francis, CRC Press, Routledge, F1000 (publisher), F1000 Research and Dovepress. It i ...

. . synonym of ''Septaria porcellana borbonica'' (Bory de Saint-Vincent, 1804) * ''Septaria haustrum'' (Reeve, 1856): synonym of ''Septaria porcellana borbonica'' (Bory de Saint-Vincent, 1804) * ''Septaria suborbicularis'' (G. B. Sowerby I, 1825): synonym of ''Septaria porcellana'' (Linnaeus, 1758) * ''Septaria suffreni'' (Récluz, 1841): synonym of '' Septaria freycineti'' Récluz, 1842 * ''Septaria taitana'' Mousson, 1869: synonym of '' Septaria tahitiana'' Eichhorst, 2016 (unavailable name: nomen nudum)

References

* Eichhorst T.E. (2016). Neritidae of the world. Volume 2. Harxheim: Conchbooks. pp. 696–1366

External links

Férussac, J. B. L. d'Audebard de & A. E. J. P. F. d'Audebard de Férussac. (1807). Essai d'une méthode conchyliologique Appliquée aux Mollusques fluviatiles et terrestres d'après la considération de l'animal et de son Test. Nouvelle édition augmentée d'une synonymie des espèces les plus remarquables, d'une table de concordance systématique de celles qui ont été décrites par Géoffroy, Poiret et Draparnaud, avec Müller et Linné, et terminée par un catalogue d'espèces observées en divers lieux de la France. Delance, Paris. xvi + 142 pp.

Lamarck, J. B. P. A. de M. de. (1816). Tableau encyclopédique et méthodique des trois règnes de la nature, Mollusques et polypes divers. Part 23

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

Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. Schultz, Copenghagen. iv + 288 pp., 22 pls

Adams, H. & Adams, A. (1853-1858). The genera of Recent Mollusca; arranged according to their organization. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls.

Gray, J. E. (1847). A list of the genera of recent Mollusca, their synonyma and types. Proceedings of the Zoological Society of London. (1847) 15: 129-219.

Gray, J. E. (1868). Notes on Catillus, Humphrey, or Navicella, Lamarck, with descriptions of two new genera. Proceedings of the Zoological Society of London. 1867: 993-1000

Dall, W. H. (1900). Some names which must be discarded. The Nautilus. 14(4): 44–45.

Haynes, A. (2001). A revision of the genus Septaria Férussac, 1803 (Gastropoda: Neritimorpha). Annalen des Naturhistorischen Museums in Wien. Serie B für Botanik und Zoologie. 103: 177-229
{{Taxonbar, from=Q3478945 Neritidae Gastropod genera