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Cirsonella
''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138494 on 2012-05-23 Description (Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The aperture is circular. The continuous peristome is slightly thickened. Species Species within the genus ''Cirsonella'' include: * † '' Cirsonella aedicula'' Laws, 1936 * '' Cirsonella africana'' (Bartsch, 1915) * † '' Cirsonella amplector'' Laws, 1944 * '' Cirsonella ateles'' (Dautzenberg & H. Fischer, 1896) * '' Cirsonella carinata'' (Hedley, 1903) * † '' Cirsonella congrua'' (Laws, 1941) * '' Cirsonella consobrina'' Powell, 1930 * '' Cirsonella cubitalis'' (Hedley, 1907) * '' Cirsonella densilirata'' Suter, 1908 * '' Cirsonella extrema'' Thiele, 1912 * '' Cirsonella floridensi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Congrua
''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138494 on 2012-05-23 Description (Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The aperture is circular. The continuous peristome is slightly thickened. Species Species within the genus ''Cirsonella'' include: * † '' Cirsonella aedicula'' Laws, 1936 * '' Cirsonella africana'' (Bartsch, 1915) * † '' Cirsonella amplector'' Laws, 1944 * '' Cirsonella ateles'' (Dautzenberg & H. Fischer, 1896) * '' Cirsonella carinata'' (Hedley, 1903) * † '' Cirsonella congrua'' (Laws, 1941) * '' Cirsonella consobrina'' Powell, 1930 * '' Cirsonella cubitalis'' (Hedley, 1907) * '' Cirsonella densilirata'' Suter, 1908 * '' Cirsonella extrema'' Thiele, 1912 * '' Cirsonella floridensi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Amplector
''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138494 on 2012-05-23 Description (Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The aperture is circular. The continuous peristome is slightly thickened. Species Species within the genus ''Cirsonella'' include: * † '' Cirsonella aedicula'' Laws, 1936 * '' Cirsonella africana'' (Bartsch, 1915) * † '' Cirsonella amplector'' Laws, 1944 * '' Cirsonella ateles'' (Dautzenberg & H. Fischer, 1896) * '' Cirsonella carinata'' (Hedley, 1903) * † ''Cirsonella congrua'' (Laws, 1941) * '' Cirsonella consobrina'' Powell, 1930 * '' Cirsonella cubitalis'' (Hedley, 1907) * '' Cirsonella densilirata'' Suter, 1908 * '' Cirsonella extrema'' Thiele, 1912 * '' Cirsonella floridensis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Africana
''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138494 on 2012-05-23 Description (Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The aperture is circular. The continuous peristome is slightly thickened. Species Species within the genus ''Cirsonella'' include: * † '' Cirsonella aedicula'' Laws, 1936 * '' Cirsonella africana'' (Bartsch, 1915) * † ''Cirsonella amplector'' Laws, 1944 * '' Cirsonella ateles'' (Dautzenberg & H. Fischer, 1896) * '' Cirsonella carinata'' (Hedley, 1903) * † ''Cirsonella congrua'' (Laws, 1941) * '' Cirsonella consobrina'' Powell, 1930 * '' Cirsonella cubitalis'' (Hedley, 1907) * '' Cirsonella densilirata'' Suter, 1908 * '' Cirsonella extrema'' Thiele, 1912 * '' Cirsonella floridensis' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Aedicula
''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138494 on 2012-05-23 Description (Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The aperture is circular. The continuous peristome is slightly thickened. Species Species within the genus ''Cirsonella'' include: * † '' Cirsonella aedicula'' Laws, 1936 * ''Cirsonella africana'' (Bartsch, 1915) * † ''Cirsonella amplector'' Laws, 1944 * '' Cirsonella ateles'' (Dautzenberg & H. Fischer, 1896) * '' Cirsonella carinata'' (Hedley, 1903) * † ''Cirsonella congrua'' (Laws, 1941) * '' Cirsonella consobrina'' Powell, 1930 * '' Cirsonella cubitalis'' (Hedley, 1907) * '' Cirsonella densilirata'' Suter, 1908 * '' Cirsonella extrema'' Thiele, 1912 * '' Cirsonella floridensis'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Funata
''Cirsonella'' is a genus of small sea snails, marine gastropod molluscs in the family Skeneidae.Bouchet, P.; Gofas, S. (2012). Cirsonella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138494 on 2012-05-23 Description (Original description by G. Angas) The minute, smooth shell is globosely turbinate. It is narrowly umbilicated. The aperture is circular. The continuous peristome is slightly thickened. Species Species within the genus ''Cirsonella'' include: * † ''Cirsonella aedicula'' Laws, 1936 * ''Cirsonella africana'' (Bartsch, 1915) * † ''Cirsonella amplector'' Laws, 1944 * '' Cirsonella ateles'' (Dautzenberg & H. Fischer, 1896) * '' Cirsonella carinata'' (Hedley, 1903) * † ''Cirsonella congrua'' (Laws, 1941) * '' Cirsonella consobrina'' Powell, 1930 * '' Cirsonella cubitalis'' (Hedley, 1907) * '' Cirsonella densilirata'' Suter, 1908 * '' Cirsonella extrema'' Thiele, 1912 * '' Cirsonella floridensis'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Carinata
''Cirsonella carinata'', common name the ridged false-top-shell, is a species of minute sea snail, a marine gastropod mollusk in the family Skeneidae.Marshall, B. (2013). Cirsonella carinata (Hedley, 1903). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=720338 on 2013-10-02 Description The height of the shell attains 1.7 mm, its diameter 1.8 mm. The minute, smooth and glossy, cream-colored shell has a turbinate shape. The four whorls have an impressed suture. The body whorl is bluntly keeled at the periphery. There is a sculpture of dense spiral microscopic striae. The base of the shell is rounded. The umbilicus is narrow and deep, and it is surrounded by a callus funicle which expands anteriorly to join the simple lip in an angular lobe. The aperture is subcircular. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Gaudryi
''Cirsonella gaudryi'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. Description The height of the shell attains 2.5 mm. The rather solid, shining, white shell has a turbinate shape. it has a narrow umbilicus. The spire consists of 3½ convex whorls, separated by a marked suture. The surface is smooth, except for the base which contains two or three very faint concentric striae. The circular aperture has a continuous peristome. The columella has a thick callus that connects to the convexity of the penultimate whorl. it covers for the greater part the umbilicus, that is reduced to a narrow, arched chink. The lip is simple. Distribution This species occurs in the Atlantic Ocean off the Azores ) , motto =( en, "Rather die free than subjected in peace") , anthem= ( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Ateles
''Cirsonella ateles'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. Description The white shell attains a height of 2 mm, its diameter also 2 mm. It is a rather solid, shining shell with a narrow and deep umbilicus. The apex is obtuse. The spire is composed of four convex whorls, separated by a marked suture. The body whorl goes slightly down to the aperture. The surface is smooth, except for the base of the body whorl, which has, seen from the periphery, low concentric striae, that disappear at a considerable distance from the umbilicus. The circular aperture has a continuous peristome. The columella has a thick, narrow callus that hardly reflects on the umbilical opening in young specimens but cover it completely in adults. The lip is simple. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Cubitalis
''Cirsonella cubitalis'' is a minute sea snail, a marine gastropod mollusc in the family Skeneidae.Marshall, B. (2013). Cirsonella cubitale (Hedley, 1907). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=720339 on 2013-10-03 Description The original description by Charles Hedley (1907): The height of the shell attains 1.15 mm, its diameter 0.8 mm. The minute, thin, translucent, and perforate shell has a conical shape. Its colour is white. The spire contains four whorls, the first two are rounded and smooth. Its sculpture shows a dozen prominent, distant, thin radial ribs descending the last two whorls perpendicularly, broadening at the periphery. These there produce a marked angle to the contour of the shell. The spiral threads lattice the interspaces and denticulate the edges of the ribs. The round aperture adheres anteriorly to the body whorl for a short space. The outer lip is formed by the last radial ri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Consobrina
''Cirsonella consobrina'' is a minute sea snail, a marine gastropod mollusc in the family Skeneidae.Bouchet, P. (2013). Cirsonella consobrina Powell, 1930. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=565331 on 2013-10-03 Description The height of the shell attains 0.8 mm -, its diameter 1.2 mm. Distribution This marine is endemic to New Zealand and was found off North Island The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-largest .... References * Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 * Powell A.W.B. (1930) ''New species of New Zealand Mollusca from shallow-water dredgings. Part 1.'' Transactions and Proceedings of the Royal Society of New Zealand ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Extrema
''Cirsonella extrema'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae. Description The height of the yellowish white shell attains 2.7 mm, its diameter 2.9 mm. The spire contains 3½ whorls. The round aperture is somewhat oblique. The peristome has a thickened callus, expanded on the left side. Its top is attached to the penultimate whorl. it covers mostly the umbilicus. The brownish operculum is rather thick and consists of polygyrous spirals. Distribution This marine species occurs in Antarctic waters off the South Shetland Islands The South Shetland Islands are a group of Antarctic islands with a total area of . They lie about north of the Antarctic Peninsula, and between southwest of the nearest point of the South Orkney Islands. By the Antarctic Treaty of 195 ... at depths between 311 m and 426 m. References * Engl W. (2012) ''Shells of Antarctica''. Hackenheim: Conchbooks. 402 pp. {{DEFAULTSORT:Cirsonella Extr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cirsonella Georgiana
''Cirsonella georgiana'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Bouchet, P. (2012). ''Cirsonella georgiana'' (Dall, 1927). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=591064 on 2012-09-01Rubio F., Fernández-Garcés R. & Rolán E. (2011) The family Tornidae (Gastropoda, Rissooidea) in the Caribbean and neighboring areas. Iberus 29(2): 1-230. (December 2011) Description The height of the shell attains 2 mm. Distribution This species occurs in the Atlantic Ocean off Georgia, USA, at a depth of 805 m. References * Dall, W. H. 1927. ''Small shells from dredgings off the southeast coast of the United States by the United States Fisheries Steamer 'Albatross' in 1885 and 1886''. Proceedings of the United States National Museum 70(2667): 1-134 External links To World Register of Marine Species georgiana Georgiana is a Catalan, English, Greek and Romanian name. It is the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |