''Sayella'' 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 minute

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 or

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

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.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 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=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: ) 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 ...

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'' (Hedley, 1909) * '' Sayella chesapeakea'' Morrison, 1939 * '' Sayella fusca'' (C. B. Adams, 1839) * '' Sayella hemphillii'' (Dall, 1884) * ''

Sayella mercedordae ''Sayella mercedordae'' is a species of small sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastro ...

'' Penãs & Rolán, 1997 * '' Sayella watlingsi'' 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 ''Tiberia'' is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxonomy According to Schander, Van Aartsen & Co ...

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

Syrnola producta ''Syrnola producta'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Syrnola producta'' (C. B. Adams, 1840). Accessed through: World Register of Marine Spe ...

'' (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

ITIS

World Register of Marine Species
Pyramidellidae {{Pyramidellidae-stub