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Umbonium
''Umbonium'', sometimes known as the "button top shells", is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top snails.Bouchet, P. (2012). Umbonium Link, 1807. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205005 on 2012-12-04 Shell description The shells of the species in this genus are low-spired and shaped like a button. The orbicular shell is depressed and imperforated. It is polished, porcellaneous and has a very thin pearly layer inside. The whorls are flattened above, bright, smooth or spirally grooved. The small, transverse aperture is wider than high. The thin outer lip is acute. The inner lip is rounded, ending in a simple point. The umbilicus of the shell is often completely covered with a thick and smooth callus. Anatomy The animal has a distinct lateral fringe of the foot, with three filaments on each side. The front of the right side near the base of the tentacles is pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Giganteum
''Umbonium giganteum'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The height of the shell attains 16 mm, its diameter 27 mm. The large, solid shell has a depressed shape. It is slate-colored or reddish above, with a series of black spots below the suture, sometimes alternating with white ones. The periphery is usually encircled with a row of white blotches. The base is largely white, with a dark streak encircling the callus. The low Spire (mollusc), spire is conoidal and contains seven plane Whorl (mollusc), whorls. The body whorl is often somewhat concave above, rounded at the circumference, and slightly convex beneath. The shining surface is smooth, with a few (usually 4) narrow spiral impressed lines just above the periphery, which are obsolete in the adult. The convex base has a white callus or partly brown or ashen. In the middle there is a prominent, blunt, heavy tubercle. The obliq ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Elegans
''Umbonium elegans'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Bouchet, P. (2012). ''Umbonium elegans'' (Kiener, 1838). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=547309 on 2012-11-23 Description The size of the shell varies between 7 mm and 18 mm. Due to any number of modifications and combinations of the color patterns of ''Umbonium vestiarium''. Henry Pilsbry was unable to separate ''Umbonium elegans'' from '' Umbonium vestiarium'', even varietally. Distribution This marine species occurs in the Indo-West Pacific and off the Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ .... References * Springsteen, F.J. & Leobrera, F.M. (1986). ''Sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Moniliferum
''Umbonium moniliferum'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 10 mm and 20 mm. The solid shell is depressed with a very low, conoidal spire. Its color pattern is yellow, pinkish or whitish, closely tessellated with purple-brown or bluish slate-color, the basal callus purplish flesh-colored. Its surface is shining, polished, with spiral sulci above, generally 3–5 in number on the body whorl, often subobsolete. The suture is sometimes margined by a row of prominent tubercles, 8 to 11 on the body whorl. The shell contains about six whorls, the last rounded at the periphery, convex beneath. The callus is quite heavy, convex and circular. Distribution This marine species occurs off Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Thomasi
''Umbonium thomasi'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigastropoda. This family is commonly known as the top-snails because in many species the shell resembles ..., the top snails. Description Distribution References thomasi Gastropods described in 1862 {{Trochidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Sagittatum
''Umbonium sagittatum'' is a species of very small sea snail, a marine gastropod mollusc or micromollusc in the family Trochidae, the top snails. Description The height of the shell attains 4 mm, its diameter 6 mm. The shell is smaller and more depressed than is the case in '' Umbonium vestiarium''. The color is fawn or flesh-colored, with a row of arrow-shaped dark spots at the periphery, and another row a short distance below the suture. The shell has about 4¼ whorls, which widen rapidly. The body whorl is depressed. The spire is lower than in ''Umbonium vestiarium''. The basal callus is convex, circular, and smaller than in ''Umbonium vestiarium'' and it is either white or slate-colored. The surface of the shell is perfectly smooth and polished. Distribution This marine species occurs in the Makassar Strait Makassar Strait is a strait between the islands of Borneo and Sulawesi in Indonesia. To the north it joins the Celebes Sea, while to the south it meets the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Costatum
''Umbonium costatum'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Bouchet, P. (2012). ''Umbonium costatum'' (Kiener, 1839). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=556961 on 2012-11-23 Description The size of the shell varies between 12 mm and 25 mm. The heavy, solid shell has a depressed shape. Its spire is low-conoidal, the periphery rounded. The color pattern is whitish or light yellow, closely tessellated all over with blackish-olive or reddish-brown squarish spots. The tessellated color-markings sometimes form subcontinuous oblique bands. The surface is shining and polished, with strong spiral grooves above, generally 4 to 6 on the body whorl. The sutures are narrowly impressed, with a rather wide margin below them, which often shows a slight tendency to be tuberculate. The base of the shell is smooth, tessellated around the irregularly convex, fl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Vestiarium
''Umbonium vestiarium'', common name the button tops, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The solid, rounded shells are up to 2 cm wide. They are similar to ''Oxystele ''Oxystele'' is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails. Although previously suggested as a subgenus of ''Diloma'', genetic analysis has shown it to be more appropriate as its own genus. Descripti ...'' but are more flattened and show a glossy, highly variable and colourfully patterned exterior. Habitat They can be found on eulittoral sand. Distribution Indo-Pacific. Use In Vietnam, they are called "ốc ruốc" and commonly sold as a snack. References * Gastropods described in 1758 Taxa named by Carl Linnaeus vestiarium {{Trochidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Suturale
''Umbonium suturale'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The height of the shell attains 12 mm, its diameter 19 mm. The strong and solid shell has a depressed shape with a low-conoidal spire. The upper and lower surfaces are nearly equally convex. The color pattern is whitish or pinkish, with numerous, close, oblique, zigzag, radiating purplish-brown lines extending to the purple or crimson basal callus. The surface of the shell is polished, shining, with a few shallow spiral sulci on the upper surface, generally not more than 4, frequently obsolete. The shell contains about six whorls, each with a prominent, convex margin bordering the deeply impressed suture, below this margin concave. The body whorl is rounded at the periphery and convex beneath. The aperture is subquadrate. The basal callus is irregularly convex, with two lumps or prominences, one behind the columellar lip. Distribution This m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Conicum
''Umbonium conicum'' is a species of very small sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The height of the shell attains 5 mm, its diameter 7 mm. The polished, smooth, thin but solid shell has a conic shape with a flat base. Its color pattern is dark purple, unicolored with a reddish apex, or with an opaque white band on the lower part of each whorl, or with the entire upper surface of the two outer whorls white, the base purple. The conical spire has straight lateral outlines. The six whorls are rather slowly widening. The body whorl is rounded at the periphery, flat below, or a trifle concave around the rather small, circular, dark central callus. The aperture is subquadrate and iridescent inside. The short columella is oblique, very thick and heavy, with a little nick in the edge near its base, and a slight notch where it is inserted upon the basal callus pad. The coloration is peculiar ; a beautiful iridescence gl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Eloiseae
''Umbonium eloiseae'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Bouchet, P. (2012). ''Umbonium eloiseae'' Dance, Moolenbeek & Dekker, 1992. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=701814 on 2012-11-23Bosch D.T., Dance S.P., Moolenbeek R.G. & Oliver P.G. (1995) Seashells of eastern Arabia. Dubai: Motivate Publishing. 296 pp. Description The size of the shell varies between 7 mm and 20 mm. Distribution This marine species occurs in the Gulf of Oman The Gulf of Oman or Sea of Oman ( ar, خليج عمان ''khalīj ʿumān''; fa, دریای عمان ''daryâ-ye omân''), also known as Gulf of Makran or Sea of Makran ( ar, خلیج مکران ''khalīj makrān''; fa, دریای مکرا .... References External links World Register of Marine Species* eloiseae Gastropods described in 1992 {{Trochidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umbonium Callosum
''Umbonium callosum'' is a species of small sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The height of the shell attains 8 mm, its diameter 13 mm. The solid shell has a depressed shape. Its outer lip is thin. The color pattern is white or yellowish, finely marbled all over with black, gray or ashen, sometimes with a series of white blotches at the periphery. The basal callus is white, yellow, reddish or black. The smooth surface is polished. The low spire is conical and acute. The 6 to 7 whorls are slightly convex. They are separated by simple, linear sutures. The body whorl widens very rapidly. It is large, dilated, flat on the base, except for the large circular callus, which is excessively heavy and convex. The aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trochidae
The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigastropoda. This family is commonly known as the top-snails because in many species the shell resembles a toy spinning top. Taxonomy The family Trochidae consists of the following subfamilies: * Alcyninae Williams, Donald, Spencer & Nakano, 2010 * Cantharidinae Gray, 1857 * Carinotrochinae S.-Q. Zhang, J. Zhang & S.-P. Zhang, 2020 * Chrysostomatinae Williams, Donald, Spencer & Nakano, 2010 * Fossarininae Bandel, 2009 * Halistylinae Keen, 1958 * Kaiparathininae B. A. Marshall, 1993 * Monodontinae Gray, 1857 * Stomatellinae Gray, 1840 * Trochinae Rafinesque, 1815 * Umboniinae H. Adams & A. Adams, 1854 (1840) Additionally, the following genera have not yet been placed in any subfamily: * '' Callumbonella'' Thiele, 1924 * †'' Coeloconulus'' Nützel, 2012 * '' Enida'' A. Adams, 1860 * †'' Eocalliostoma'' O. Haas, 1953 * †'' Fa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
