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・ Odostomia kromi
・ Odostomia kuiperi
・ Odostomia lacunata
・ Odostomia laevigata
・ Odostomia lapazana
・ Odostomia lastra
・ Odostomia lesuroiti
・ Odostomia licina
・ Odostomia limhaughi
・ Odostomia limpida
・ Odostomia loomisi
・ Odostomia lorellae
・ Odostomia lorioli
・ Odostomia lubrica
・ Odostomia collea
Odostomia columbiana
・ Odostomia communis
・ Odostomia conoidea
・ Odostomia conspicua
・ Odostomia contabulata
・ Odostomia contrerasi
・ Odostomia cookeana
・ Odostomia cooperi
・ Odostomia corimbensis
・ Odostomia corintoensis
・ Odostomia coronadoensis
・ Odostomia corpulentoides
・ Odostomia costaricensis
・ Odostomia crassicosta
・ Odostomia cryptodon


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Odostomia columbiana : ウィキペディア英語版
Odostomia columbiana

''Odostomia columbiana'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.〔Rosenberg, G. (2011). ''Odostomia columbiana'' Dall & Bartsch, 1907. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581122 on 2011-10-26〕〔Turgeon, D.; Quinn, J.F.; Bogan, A.E.; Coan, E.V.; Hochberg, F.G.; Lyons, W.G.; Mikkelsen, P.M.; Neves, R.J.; Roper, C.F.E.; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D. (1998). Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. 2nd ed. American Fisheries Society Special Publication, 26. American Fisheries Society: Bethesda, MD (USA). ISBN 1-888569-01-8. IX, 526 + cd-rom pp.〕
==Description==
The white shell is large and has an elongate-conic shape. Its length measures 8.3 mm. The whorls of the protoconch are small, vitreous, planorboid, deeply obliquely immersed in the first of the succeeding turns, above which only the tilted edge of the last volution is visible. The six whorls of the teleoconch are increasing regularly in size, well rounded, very narrowly roundly shouldered at the summits, which renders the sutures well marked. The periphery of the body whorl is somewhat inflated. The base of the shell is well rounded, attenuated anteriorly to reenforce the columella. The entire surface is covered by numerous somewhat wavy, subequal and subequally closely placed spiral lirations, of which about 40 occur between the summit and the periphery and about an equal number on the base of the last whorl. The aperture is large, decidedly patulous anteriorly. The posterior angle is acute. The outer lip is thin at the edge but very thick within. The columella is curved and strongly reflected, free only at its anterior extremity, and provided with a strong oblique fold at its insertion. 〔 ( William Healy Dall and Paul Bartsch , "A Monograph of West American Pyramidellid Mollusks" , Smithsonian Institution, 1909 ) 〕 〔 (Dall & Bartsch, A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p. 222; 1909 Plate 23 # 1 ) 〕

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