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Ithycythara Acutangulus
''Ithycythara acutangulus'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 7.5 mm, its diameter 2.5 mm. (Original description) The white shell has an elongate subfusiform shape. This species is remarkable for the acute angulations of the eight whorls, the spiral liration at the angle, and the purplish-red bands at the suture and the middle of the body whorl, the latter being visible within the aperture, which measures about ⅓ of the total length. The number of ribs appears to vary from seven to eight; and they are not quite regularly continuous from the apex downwards. The outer lip is incrassate and hardly sinuate. The siphonal canal The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water is ... ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edgar Albert Smith
Edgar Albert Smith (29 November 1847 – 22 July 1916) was a British zoologist, a malacologist. His father was Frederick Smith, a well-known entomologist, and assistant keeper of zoology in the British Museum, Bloomsbury. Edgar Albert Smith was educated both at the North London Collegiate School and privately, being well grounded in Latin amongst other subjects, as his excellent diagnoses bear witness. Smith married in July 1876. Subsequently, his wife and he had four sons and two daughters. He gave more prominent attention to the fauna of the African Great Lakes and the marine molluscs of South Africa, and also the nonmarine mollusk fauna of Borneo and New Guinea. In the British Museum Smith was employed at the British Museum (now Natural History Museum) as an assistant keeper of the zoological department for more than 40 years, from 1867 to 1913. Edgar Smith's first work was in connection with the celebrated collection of shells made by Hugh Cuming and acquired by the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
