''Sayella'' 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

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

s, marine

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 ...

mollusk 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 e ...

s or

micromollusk 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 ...

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 ...

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.Bouchet, P. (2011). ''Sayella'' Dall, 1885. 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 list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...

at http://www.marinespecies.org/aphia.php?p=taxdetails&id=160442 on 2011-10-26Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.

Shell description

Typical for this genus is the presence of only one prominent fold on the

columella Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire. His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the wo ...

Distribution

This genus occurs in the Atlantic Ocean off Eastern North America and also in the tropical West Atlantic.

Species

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

Sayella abjecta ''Sayella'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2011). ''Sayella'' Dall, 1885. Accessed through: World Register of Marine Species ...

'' (Hedley, 1909) * ''

Sayella chesapeakea ''Sayella chesapeakea'' is a species of minute sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Sayella chesapeakea'' Morrison, 1939. Accessed through: World Register of ...

'' Morrison, 1939 * ''

Sayella fusca ''Sayella fusca'', common name the brown sayella, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Sayella fusca'' (C. B. Adams, ...

'' (C. B. Adams, 1839) * ''

Sayella hemphillii ''Sayella hemphillii'' is a species of minute sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Sayella hemphillii'' (Dall, 1884). Accessed through: World Register of Marin ...

'' (Dall, 1884) * ''

Sayella mercedordae ''Sayella mercedordae'' is a species of minute sea snail, a marine gastropod mollusk in the family Pyramidellidae Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ...

'' Penãs & Rolán, 1997 * ''

Sayella watlingsi ''Sayella watlingsi'' is a species of minute sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2010). ''Sayella watlingsi'' Morrison, 1939. In: Bouchet, P.; Gofas, S.; Rosenberg, G. ...

'' Morrison, 1939 ;Species brought into synonymy: * ''Sayella livida'' Rehder, 1935: synonym of ''Sayella hemphillii'' (Dall, 1884) * ''Sayella micalii'' Peñas & Rolán, 1997: synonym of ''

Tiberia micalii ''Pyramidella dolabrata'', common name the "giant Atlantic pyram", is a somewhat variable species of small to medium-sized (max size 36 mm) sea snail, a marine gastropod mollusk in the (mostly minute) family Pyramidellidae, the pyram sna ...

'' (Peñas & Rolán, 1997) * ''Sayella producta'' (C. B. Adams, 1840): synonym of '' Syrnola producta'' (C. B. Adams, 1840)

References

* Vaught, K.C.; Tucker Abbott, R.; Boss, K.J. (1989). A classification of the living Mollusca. American Malacologists: Melbourne. . XII, 195 pp * Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda

External links

To ITIS

To World Register of Marine Species
Pyramidellidae {{Pyramidellidae-stub