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Heterocithara
''Heterocithara'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Mangeliidae.Rosenberg, G.; Bouchet, P. (2012). Heterocithara. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=432471 on 2012-06-29 Description The small shell is biconical and solid. It contains numerous perpendicular riblets extending from the suture to the base These are overrun by smaller spiral cords, between which are dense microscopic hairlines. No fasciole The Varix (mollusc), varix is larger than the ribs The sinus is small. Within the outer Lip (gastropod), lip are a series of denticules. Hedley, C. 1922. A revision of the Australian Turridae. Records of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara
''Heterocithara'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Mangeliidae.Rosenberg, G.; Bouchet, P. (2012). Heterocithara. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=432471 on 2012-06-29 Description The small shell is biconical and solid. It contains numerous perpendicular riblets extending from the suture to the base These are overrun by smaller spiral cords, between which are dense microscopic hairlines. No fasciole The Varix (mollusc), varix is larger than the ribs The sinus is small. Within the outer Lip (gastropod), lip are a series of denticules. Hedley, C. 1922. A revision of the Australian Turridae. Records of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Zebuensis
''Heterocithara zebuensis'' is a species of sea snail, a marine gastropod mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ... in the family Mangeliidae.WoRMS (2009). Heterocithara zebuensis (Reeve, 1846). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434010 on 2017-07-19 Description The length of the shell attains 6 mm. The light brown shell is longitudinally strongly ribbed, transversely obsoletely striated. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Seriliola
''Heterocithara seriliola'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Heterocithara seriliola Hedley, 1922. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434006 on 2017-07-17 Description The length of the shell attains 9 mm, its diameter 3 mm. (Original description) The subcylindrical shell is turreted with a pointed apex. Its colour is whitish. It contains 8 whorls. The ribs are narrow, elevated, round-backed, alternating from whorl to whorl, in-bent at the summit, the shaft perpendicular and the base out-curved, thirteen on the penultimate and eleven on the body whorl. The rib before the varix is evanescent. The spirals are prominent cords crossing both ribs and interspaces, on the upper whorls three or four, on the last twelve. The uppermost spiral accentuates the shoulder angle. Two or three on the base are thicker than th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Himerta
''Heterocithara himerta'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.Bouchet, P. (2010). Heterocithara himerta (Melvill & Standen, 1896). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434014 on 2017-07-18 Description The length of the shell attains 4 mm, its diameter 2 mm. (Original description) This short, pyramidal-fusiform shell has much in common with ''Guraleus himerodes'' (Melvill & Standen, 1896), but is smaller and of a pale yellow-ochre colour throughout. The whorls are angularly turreted, they are six in number, including the two vitreous apical whorls. At the sutures there is a quasi-crenulation, owing to the commencement of the prominent longitudinal ribs, there crossed by acute lirae, the interstices being smooth. Faint brown transverse spots adorn the sutures and the middle of the body whorl the back of the outer lip is likewise ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Erismata
''Heterocithara erismata'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Heterocithara erismata Hedley, 1922. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434002 on 2017-07-17 Description The length of the shell varies between 4 mm and 7.5 mm. (Original description) The very solid shell has an ovate-elliptical shape. Its colour is pale cream, spotted with square dots of raw sienna upon the ribs between the spirals. It contains 6 whorls, plus the protoconch. The surface of the shell is rather glossy, with fine radial microscopic scratches. The radials are prominent, close-set, discontinuous ribs, wider spaced on the back of the body whorl, amounting to nine on the penultimate. The spirals are chiefly apparent as beads upon the ribs, but suddenly enlarge upon the snout to massive tubercles. On the body whorl there are nine, on the pe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Concinna
''Heterocithara concinna'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Heterocithara concinna Hedley, 1922. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434001 on 2017-07-16 Description The length of the shell attains 5 mm, its diameter 1.5 mm. (Original description) The shell is small, slender and cylindro-fusiform. Its colour is pale buff, with a few broken ferruginous lines on the back of the body whorl, on the varix, and in the subsutural intercostal spaces. The shell contains 7 whorls, rounded, constricted at the suture, and subangled at the shoulder. The protoconch contains 2½ whorls, smooth, symmetrical, andconical. The sculpture shows prominent, narrow ribs, as broad as their interstices, proceeding from suture to base, but discontinuous from whorl to whorl. The spirals are sharp widely spaced threads traversing both r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Transenna
''Heterocithara transenna'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Heterocithara transenna Hedley, 1922. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434008 on 2017-07-17 Description The length of the shell attains 5 mm, its diameter 2 mm. (Original description) The small, very solid shell has an ovate-acuminate shape and is turreted. Its colour is faded to a uniform gray. It contains 6 whorls. The protoconch is composed of two small smooth elevated whorls. The sculpture shows radials that are prominent perpendicular discontinuous ribs, which are dislocated at but continue on the snout;.tTey are nodose at, the passage of the spirals, and wider spaced on the body whorl, being set at the rate of ten on the penultimate whorl and eight on the body whorl. The spirals are strong evenly-spaced threads, nine on the body whorl and t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Rigorata
''Heterocithara rigorata'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Heterocithara rigorata (Hedley, 1909). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434005 on 2017-07-17 Description The length of the shell attains 3.8 mm, its diameter 1.5 mm. (Original description) The small, oblong shell is turreted and rather solid. Its colour is dull white. It contains 6 whorls, including a smooth three-whorled protoconch. whose initial whorl is eccentric. The sculpture shows from ten to twelve very prominent, close, radial ribs, widest apart on the back of the body whorl, and becoming closer on the earlier whorls. These ribs project on the summit of the whorl and fade gradually on the base. The body whorl is encircled by twelve to fourteen strong spiral cords, which override both ribs and interstices. On the penultimate whorl there ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Mediocris
''Heterocithara mediocris'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Heterocithara mediocris Odhner, 1924. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=434004 on 18 July 2017 Description The length of the shell attains 5.5 mm, its diameter 2.3 mm.. Distribution This marine species is endemic to New Zealand and occurs off the 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. 1979: ''New Zealand Mollusca: Marine, Land and Freshwater Shells'', Collins, Auckland (p. 242) External links Spencer H.G., Willan R.C., Marshall B.A. & Murray T.J. (2011). Checklist of the Recent Mollusca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Hirsuta
''Heterocithara hirsuta'' is a species of sea snail, a 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 ... mollusk in the family Mangeliidae. Description The length of the shell attains 3.4 mm. The shell is yellowish white, the earlier whorls darker. Distribution This marine species is[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Bilineata
''Heterocithara bilineata'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.WoRMS (2009). Heterocithara bilineata (Angas, 1871). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://marinespecies.org/aphia.php/aphia.php?p=taxdetails&id=434000 on 2017-07-16 Description (Original description) The shell is ovately turreted, moderately solid, pale straw-colour or light brown, nearly white around the aperture and at the base, with a narrow brown band just below the suture, and a second between the periphery and the base of the body whorl. The shell contains 6 whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...s , angulate at the upper part, coarsely longitudinally ribbed and transversely ridged. The interstices ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterocithara Laterculus
''Heterocithara laterculus'' is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.Marshall, B. (2015). Heterocithara laterculus Marwick, 1931 †. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=831708 on 2017-07-18 Description Distribution This extinct marine species is endemic to New Zealand. References * Maxwell, P.A. (2009). ''Cenozoic Mollusca''. pp. 232–254 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch. {{DEFAULTSORT:Heterocithara Laterculus laterculus A ''laterculus'' was, in late antiquity or the early medieval period, an inscribed tile, stone or terracotta tablet used for publishing certain kinds of information in list or calendar form. The term thus came to be used for the content represented ... Gastropod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |