''Graziana'' 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 ...

of minute

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 with 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 or

micromollusc A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also r ...

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 ...

Hydrobiidae Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha. Distribution Hydrobiidae are found in much of the world, ...

Species

Species within the genus ''Graziana'' include:IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2

Downloaded on 28 April 2014. *'' Graziana adlitzensis'' *''

Graziana alpestris ''Graziana'' is a genus of minute freshwater snails with an Operculum (gastropod), operculum, Aquatic animal, aquatic gastropod molluscs or micromolluscs in the family (biology), family Hydrobiidae. Species Species within the genus ''Graziana'' ...

'' *'' Graziana cezairensis'' *'' Graziana klagenfurtensis'' Haase, 1994 *'' Graziana lacheineri''

Küster Küster may refer to: * Ernst Georg Ferdinand Küster (1839–1930), German surgeon * Ernst Küster (1874–1953), German botanist * Heinrich Carl Küster (1807–1876), malacologist Malacology is the branch of invertebrate zoology that deals ...

, 1853 *'' Graziana provincialis'' *'' Graziana pupula'' (

Westerlund Westerlund may refer to: * Westerlund 1, a star cluster * Westerlund 2, a star cluster * 2902 Westerlund, a Main-belt Asteroid People with the surname * Anna Westerlund (born 1989), Finnish footballer * Bengt Westerlund (1921–2008), Swedish ...

, 1886) *'' Graziana quadrifoglio'' *'' Graziana trinitatis''

References

Gastropod genera Hydrobiidae Taxonomy articles created by Polbot {{Hydrobiidae-stub