''Anisus'' 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 ...

of small air-breathing

freshwater snail Freshwater snails are gastropod mollusks that 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 t ...

aquatic Aquatic means relating to water; living in or near water or taking place in water; does not include groundwater, as "aquatic" implies an environment where plants and animals live. Aquatic(s) may also refer to: * Aquatic animal, either vertebrate ...

pulmonate Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group inclu ...

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 ...

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

s in the subfamily Planorbinae of 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 ...

Planorbidae Planorbidae, common name the ramshorn snails or ram's horn snails, is a family (biology), family of air-breathing freshwater snails, Aquatic animal, aquatic pulmonate gastropod Mollusca, molluscs. Unlike most molluscs, the blood of ram's horn sn ...

, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=716342 on 2014-11-23

Species

The genus contains the following species: ;Subgenus ''Anisus'' * '' Anisus calculiformis'' (Sandberger, 1874) * † '' Anisus komarovae'' Prysjazhnjuk, 1974 * † ''

Anisus krambergeri ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Halaváts, 1903) * † '' Anisus laskarevi'' Milošević, 1976 * '' Anisus leucostoma'' (Millet, 1813) * † ''

Anisus septemgyratiformis ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic animal, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family (biology), family Planorbidae, the Ramshorn snail, ramshorn snails and their allies.Ro ...

'' (Gottschick, 1911) * '' Anisus septemgyratus'' (Rossmässler, 1835) * ''

Anisus spirorbis ''Anisus spirorbis'' is a species of small freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.MolluscaBase eds. (2021). MolluscaBase. Anisus spirorbis (Linnaeus, 1758). Accessed ...

'' (Linnaeus, 1758) - the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

of the genusGlöer, P. 2002 ''Die Süßwassergastropoden Nord- und Mitteleuropas''. Die Tierwelt Deutschlands, ConchBooks, Hackenheim, 326 pp., , page 254-263. * ''

Anisus strauchianus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Clessin, 1884) ;Subgenus ''Anisus (Costorbis)'' Lindholm, 1926 * † ''

Anisus densecostatus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' Schütt, 1994 ;Subgenus '' Disculifer'' C. Boettger 1944 * † ''

Anisus omalus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Bourguignat, 1881) * ''

Anisus vorticulus ''Anisus vorticulus'' (lesser ramshorn snail or little whirlpool ramshorn snail) is a species of small, air-breathing, freshwater snail, an Aquatic animal, aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails. Description The ...

'' ;Subgenus ? * † ''

Anisus angulatus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Clessin, 1877) * † ''

Anisus balizacensis ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Peyrot, 1932) * † ''

Anisus brunnensis ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Sauerzopf, 1953) * † ''

Anisus confusus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' Soós, 1934 * † ''

Anisus depressissimus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Sacco, 1886) * † ''

Anisus dupuyianus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Noulet, 1854) * † '' Anisus falsani'' (Locard, 1883) * † ''

Anisus guerichi ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Andreae, 1902) * † '' Anisus hilgendorfi (''Fraas, 1868) * ''

Anisus issykulensis ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Clessin, 1907) * † '' Anisus mariae'' (Michaud, 1862) * † '' Anisus matheroni'' (Fischer & Tournouër, 1873) * † '' Anisus metochiensis'' Milošević, 1976 * '' Anisus natalensis'' (Krauss)Oberholzer G. & Van Eeden J. A. (1967). "The freshwater molluscs of the Kruger National Park". ''

Koedoe - African Protected Area Conservation and Science ''Koedoe'', subtitled ''African Protected Area Conservation and Science'', is a peer-reviewed open access scientific journal covering biology, ecology, and biodiversity conservation in Africa. It was established in 1958. Koedoe is Afrikaans for Ku ...

'' 10(1): 1-42.
PDF
. Fig. 21. * † ''

Anisus rousianus ''Anisus'' is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.Rosenberg, G.; Bouchet, P. (2014). Anisus. Accessed ...

'' (Noulet, 1854) * '' Anisus vortex'' (Linnaeus, 1758) ;Subspecies and species brought into synonymy: * Subgenus ''Anisus (Gyraulus)'' Agassiz in Charpentier, 1837: synonym of ''

Gyraulus ''Gyraulus'' is a genus of small, mostly air-breathing, freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails. The genus ''Gyraulus'' is known from the Early Cretaceous to the present. Fossils ...

'' Charpentier, 1837 * ''Anisus (Gyraulus) terekholicus'' Prozorova & Starobogato, 1997: synonym of '' Gyraulus terekholicus'' (Prozorova & Starobogatov, 1997) *Subgenus † ''Anisus (Odontogyrorbis)'' Lörenthey, 1906: synonym of ''Anisus (Anisus)'' Studer, 1820 * Subgenus ''Anisus (Spiralina)'' Martens, 1899: synonym of ''Anisus'' Studer, 1820 * † ''Anisus angustigyratus'' (Sauerzopf, 1953): synonym of † ''Anisus (Anisus) krambergeri'' (Halaváts, 1903) * † ''Anisus dupuyanus'' (Noulet, 1854): synonym of † ''

'' (Noulet, 1854) * ''Anisus septemgyratus'' auct. (not Rossmässler): synonym of '' Anisus calculiformis'' (Sandberger, 1874) * ''Anisus tokyoensis'' Mori, 1938: synonym of '' Gyraulus tokyoensis'' (Mori, 1938)

References

External links

* Planorbidae {{Planorbidae-stub