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Margarites
''Margarites'' is a genus of sea snails, marine gastropod mollusks in the family Margaritidae. This genus belonged previously to the subfamily Margaritinae in the family Turbinidae. Description This genus consists of small species of variable size between 3 mm and 15 mm. The Alaskan specimens of '' Margarites costalis'' reach almost 25 mm in diameter. Their flat shell has a turbiniform shape with convex whorls and a typical iridescent lustre. Species Species within the genus ''Margarites'' include: * '' Margarites albolineatus'' (E. A. Smith, 1899) * '' Margarites angulatus'' Galkin, 1955 * '' Margarites argentatus'' (Gould, 1841) * '' Margarites atlantoides'' (Quinn, 1992) * '' Margarites avachensis'' Galkin, 1955 x Bartsch MS/small> * '' Margarites avenosooki'' MacGinitie, 1959 * '' Margarites bairdii'' (Dall, 1889) * '' Margarites biconica'' Numanami, 1996 * '' Margarites bisikovi'' Egorov, 2000 * '' Margarites cabernet'' Egorov, 2000 * '' Margarites ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Groenlandicus
''Margarites groenlandicus'', common name the Greenland margarite or wavy top shell, is a species of sea snail, a marine gastropod mollusk in the family Margaritidae. There are two subspecies : * ''Margarites groenlandicus groenlandicus'' (Gmelin, 1791) * ''Margarites groenlandicus kurilensis'' Golikov & Gulbin, 1978 * ''Margarites groenlandicus umbilicalis'' Broderip & Sowerby, 1829 (synonym : ''Margarites umbilicalis'' Broderip & Sowerby, 1829) Description The wavy top shell is thin-shelled and rather small with a maximum length of 1.9 cm (¾ inch) and a compressed spire. The color of the glossy shell is cream to brown. It contains 4-5 whorls, with the body whorl the largest. The sutures are wavy. The shell is smooth or with about 12 smooth spiral ridges. The broad umbilicus is funnel-shaped. The nacreous aperture is oval with the long axis inclined to the left. It is also prosocline, i.e. with the growth lines leaning forward (adapically) with respect to the direction ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Costalis
''Margarites costalis'', common name the boreal rosy margarite or the northern ridged margarite, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Margaritidae. ;Subspecies: * ''Margarites costalis baxteri'' J. H. McLean, 1995 * ''Margarites costalis costalis'' (Gould, 1841) Description The size of the shell varies between 5 mm and 25 mm. It is a conical, grayish (sometimes with rose or creamy tint), deeply umbilicate shell with five evenly rounded Whorl (mollusc), whorls. The sculpture shows strong, distant, spiral ridges, crossed by 10 to 12 fine, raised axial threads. The thin, finely crenulate outer Lip (gastropod), lip is sharp. The pearly rose Aperture (mollusc), aperture is round. (Original description by W.H. Dall of the synonym ''Margarites (Pupillaria) rudis'') The shell is of moderate size. It is white with a pale olivaceous periostracum. The smooth nucleus consists of about one Whorl (mollusc), whorl and five subsequent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Pupillus
''Margarites pupillus'', common name the puppet margarite or the little margarite, is a species of sea snail, a marine gastropod mollusk in the family Margaritidae, the turban snails.Rosenberg, G. (2012). ''Margarites pupillus'' (Gould, 1849). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=528731 on 2012-09-01 Description The size of the shell varies between 8 mm and 20 mm. The solid shell has a conical shape and is narrowly umbilicated. It is lusterless, ashen or whitish. It is a very variable shell. Southward the color becomes deeper, of a salmon hue, and the sculpture finer. The surface is spirally traversed by unequal cord-like lirae, separated by sharply crispate-striate interspaces, as wide or wider than the ridges. The latter are nearly smooth or show traces of the oblique striation. Upon the last 1½ whorls there is usually a spiral thread in the inter-liral spaces. Above this there are 4 or 5 lirae o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Argentatus
''Margarites argentatus'' is a species of sea snail, a marine gastropod mollusk in the family Margaritidae. ''Margarites argentatus'' var. ''gigantea'' Leche, 1878 is accepted as '' Margarites giganteus'' (Leche, 1878) Description The height of the shell attains 3.5 mm. The small, thin shell is narrowly umbilicate. The spire is globose-depressed, and conoidal. It is subtransparent, corneous or bluish white in color. The surface is lusterless and dull. It is closely marked all over by fine, close-set spiral striae, scarcely visible except under a lens. The blunt apex minute. The four whorls are tumid. The suture is deeply impressed. The circular aperture is oblique. The outer lip is simple and acute. The inner lip is arcuate, a trifle reflexed. The narrow umbilicus is deep. Distribution This marine species occurs off the west coast of Scotland and in the northwest Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Albolineatus
''Margarites albolineatus'' is a species of sea snail, a marine gastropod mollusk in the family Margaritidae, the turban snails.Rosenberg, G. (2012). ''Margarites albolineatus'' (E. A. Smith, 1899). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=528722 on 2012-09-01 Description The height of the shell attains 4.5 mm, its diameter 8 mm. The imperforate shell has a depressed, suborbicular shape. The short spire consists of 5 convex whorls, that increase rapidly in size. It contains many white, filiform spiral threads. There is a large, round aperture, that is iridescent inside. Distribution This marine species occurs off the coast of the Bering Sea The Bering Sea (, ; rus, Бе́рингово мо́ре, r=Béringovo móre) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasses on Earth: Eurasia and The Ameri .... References ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Ecarinatus
''Margarites ecarinatus'' is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.Rosenberg, G. (2012). ''Margarites ecarinatus'' Dall, 1919. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=528725 on 2012-09-01 Description The height of the shell attains 8 mm. The pinkish grey shell is depressed. It has about five rapidly enlarging whorls. The glassy nucleus is minute. The subsequent whorls are moderately inflated. They are separated by a deep but not channelled suture, having a rounded periphery, a wide, completely pervious umbilicus, and a large, very oblique, iridescent aperture. The axial sculpture Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ... consists of very fine silky increment ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Bairdii
''Margarites bairdii'', common name Baird's margarite, is a species of sea snail, a marine gastropod mollusk in the family Margaritidae. Description (Original description by W.H. Dall) The height of the shell attains 4 mm, its diameter 5 mm. The small, white shell has a depressed conic shape. it is polished, externally porcellanous, internally slightly nacreous. The globular nucleus is dextral. The spire contains 5 or more whorls. The radiating sculpture consists of occasional faint impressed incremental lines. The spiral sculpture consists of occasional microscopic striae, and a single strap-like band appressed to the suture. It bears numerous flattish squarish nodules or elevations, which coronate the whorls. The periphery is rounded. The base of the shell is rounded, depressed in the center, which is nearly filled with a mass of white callus having a very finely granular surface. The granular surface of the callus is common to the young of other species, and is lost ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Giganteus
''Margarites giganteus'', common name the giant margarite, is a species of sea snail, a marine gastropod mollusk in the family Margaritidae. Description The height of the shell attains 6 mm. Distribution This marine species occurs off Novaya Zemlya Novaya Zemlya (, also , ; rus, Но́вая Земля́, p=ˈnovəjə zʲɪmˈlʲa, ) is an archipelago in northern Russia. It is situated in the Arctic Ocean, in the extreme northeast of Europe, with Cape Flissingsky, on the northern island, ..., Russia. References * W. Leche (1878), ''öfversikt öfver de af Svenska Exp. till N. Semlja och Jenissej 1875 och 1876 insamlade hafsmoll''; Sv. Vet. Akad. Handl. Bd, 1878 giganteus Gastropods described in 1878 {{Margaritidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Crebrilirulata
''Margarites crebrilirulata'' is a species of sea snail, a marine gastropod mollusk in the family Margaritidae. Description Distribution This species occurs in Antarctic The Antarctic ( or , American English also or ; commonly ) is a polar region around Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica, the Kerguelen Plateau and other ... waters. References Smithsonian Museum of Natural History: ''Margarites crebrilirulata''* Engl W. (2012) ''Shells of Antarctica''. Hackenheim: Conchbooks. 402 pp crebrilirulata Gastropods described in 1907 {{Margaritidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Angulatus
''Margarites angulatus'' is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.Bouchet, P. (2012). ''Margarites angulatus'' Galkin, 1955. 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=556966 on 2012-09-01Kantor Yu.I. & Sysoev A.V. (2006) Marine and brackish water Gastropoda of Russia and adjacent countries: an illustrated catalogue. Moscow: KMK Scientific Press. 372 pp. + 140 pls. References External links To Encyclopedia of LifeTo World Register of Marine Species angulatus Gastropods described in 1955 {{Margaritidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Avenosooki
''Margarites avenosooki'' is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.Bouchet, P. (2012). ''Margarites avenosooki'' MacGinitie, 1959. 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=567561 on 2012-09-01 References External links To USNM Invertebrate Zoology Mollusca CollectionTo World Register of Marine Species avenosooki Gastropods described in 1959 {{Margaritidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarites Biconica
''Margarites biconica'' is a species of sea snail, a marine gastropod mollusk in the family Margaritidae. Description The height of the shell attains 8 mm. Distribution This species occurs in the Weddell Sea, Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest contine ..., at depths between 155 m and 480 m. References * Numanami H. (1996) ''Taxonomic study on Antarctic gastropods collected by Japanese Antarctic Research Expeditions''. Memoirs of National Institute of Polar Research, Series E, 39: 1–245. * Engl W. (2012) ''Shells of Antarctica''. Hackenheim: Conchbooks. 402 pp. biconica Gastropods described in 1996 {{Margaritidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |