''Ondina'' 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 ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

s, marine

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

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 ...

Pyramidellidae Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromol ...

, the pyrams and their allies.Gofas, S. (2011). ''Ondina'' de Folin, 1870. Accessed through:

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ...

at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138414 on 2011-10-26

Description

The thin shell has an oval shape. The

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). In nature File:Photograph and axial plane floral diagra ...

s of the

teleoconch The gastropod shell is part of the body of many gastropods, including snails, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium ...

are smooth or spirally striated. The

columella Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire. His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...

r tooth is obsolete.G.W. Tryon, Manual of Conchology vol. VIII pl. 320; 1886
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Species

Species within the genus ''Ondina'' include: * ''

Ondina anceps ''Ondina anceps'' (Gaglini, 1992) is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae.Gofas, S. (2010). ''Ondina anceps'' (Gaglini, 1992). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca da ...

'' (Gaglini, 1992) * ''

Ondina coarctata ''Ondina coarctata'' is a species of sea snail, a marine (ocean), marine gastropod mollusk in the family (biology), family Pyramidellidae, the pyrams and their allies.Gofas, S. (2011). ''Ondina coarctata'' (Sars G.O., 1878). Accessed through: W ...

'' (Sars G.O., 1878) * '' Ondina crystallina'' Locard, 1892 * ''

Ondina diaphana ''Ondina diaphana'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Gofas, S. (2011). ''Ondina diaphana'' (Jeffreys, 1848). Accessed through: World Register of Marine Species at ht ...

'' (Jeffreys, 1848) * '' Ondina dilucida'' (Monterosato, 1884) * ''

Ondina divisa ''Ondina divisa'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G.; Gofas, S. (2011). ''Ondina divisa'' (J. Adams, 1797). Accessed through: World Register of Marine Sp ...

'' (Adams J., 1797) * '' Ondina elachisinoides'' Hori & Fukuda, 1999 * '' Ondina fragilissima'' Peñas & Rolán, 2002 * '' Ondina jansseni'' van Aartsen & Menkhorst, 1996 * '' Ondina modiola'' (Monterosato, 1884) * '' Ondina mosti'' (van Aartsen, Gittenberger & Goud, 1998) * ''

Ondina neocrystallina ''Ondina neocrystallina'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.WoRMS (2010). ''Ondina neocrystallina'' Gaglini, 1991. Accessed through: World Register of Marine Species ...

'' Gaglini, 1991 * '' Ondina normani'' (Friele, 1886) * ''

Ondina obliqua ''Ondina obliqua'' is a rare species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Gofas, S. (2011). ''Ondina obliqua'' (Alder, 1844). Accessed through: World Register of Marine Species at ht ...

'' (Alder, 1844) * '' Ondina perezi'' (Dautzenberg & Fisher, 1925) * '' Ondina scandens'' (Monterosato, 1884) * '' Ondina semicincgulata ( Dall, 1927)'' * '' Ondina strufaldii'' Peñas & Rolán, 1999 * '' Ondina vitrea'' (Brusina, 1866) * '' Ondina warreni'' (Thompson W., 1845)

References

* Aartsen, J.J. van, 1987. ''European Pyramidellidae:III. Odostomia and Ondina''. — Boll, malac. 23:1-34

External links

GenBank

World Register of Marine Species
Pyramidellidae Monotypic gastropod genera {{Pyramidellidae-stub