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Polyspirella
''Polyspirella'' is a genus of sea snails, 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 ... mollusks in the family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2011). ''Polyspirella'' Carpenter, 1861. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=580490 on 2011-10-26 Species Species within the genus ''Polyspirella'' include: * '' Polyspirella aglaia'' (Bartsch, 1915) * ''Polyspirella callista'' (Bartsch, 1915) * ''Polyspirella pellucida'' (G.B. Sowerby III, 1897) * ''Polyspirella trachealis'' (Gould, 1861) References External links To World Register of Marine Species Pyramidellidae Monotypic gastropod genera {{Pyramidellidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polyspirella Trachealis
''Polyspirella trachealis'' is a species of sea snail, a marine (ocean), marine gastropod mollusk in the family (biology), family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2011). ''Polyspirella trachealis'' (Gould, 1861). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=580496 on 2012-01-12 Description The yellowish-white shell has an elongate-conic shape. Its length varies between 5.7 mm and 12.2 mm. The Whorl (mollusc), whorls of the protoconch are large, planorboid, smooth and well rounded. They are obliquely immersed in the first of the succeeding turns, above which only the tilted edge of the last two volutions projects. The twelve whorls of the teleoconch are moderately rounded. They are shouldered at the summit, and marked by three strong spiral cords which slope abruptly posteriorly and gently anteriorly. These cords are about twice as wide as the spaces that separate them. Beginning w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |