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・ Odostomia pyxidata
・ Odostomia quadrae
・ Odostomia quilla
・ Odostomia raymondi
・ Odostomia haurakiensis
・ Odostomia heathi
・ Odostomia helena
・ Odostomia helga
・ Odostomia hemphilli
・ Odostomia hendersoni
・ Odostomia herilda
・ Odostomia herrerae
・ Odostomia hertleini
・ Odostomia heterocincta
・ Odostomia hierroensis
Odostomia hilgendorfi
・ Odostomia hipolitensis
・ Odostomia hypatia
・ Odostomia hyphala
・ Odostomia hypocurta
・ Odostomia icafra
・ Odostomia ignorata
・ Odostomia iliuliukensis
・ Odostomia improbabilis
・ Odostomia incidata
・ Odostomia inconspicua
・ Odostomia inflata
・ Odostomia intermedia
・ Odostomia irafca
・ Odostomia isthmiea


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

''Odostomia hilgendorfi'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. 〔 Dall & Bartsch, ''Notes on Japanese, Indo-Pacific and American Pyramidellidae''; Proceedings of the U.S. National Museum, vol XXX n° 1452; 1906 〕
==Description==
The milk-white shell has a broadly elongate-conic shape, very regularly tapering and is subturrited. The type specimen measures 5 mm. The 2½ whorls of the protoconch are small, helicoid, well rounded, moderately elevated, about one-third immersed in the first of the later whorls, having their axis almost at a right angle to them. The seven whorls of the teleoconch are rather high between the sutures. They are flattened, sub-
tabulately shouldered at the summits and decidedly angulated at the periphery. They are marked bv lines of growth and extremely tine, microscopic, closely placed, wavy, spiral striations. The shouldered summits of succeeding whorls fall quite a little anterior to the angulated periphery, giving the whorls a decidedly constricted appearance at the sutures, which appears decidedly channeled. The periphery of the body whorl is decidedly angulated. The base of the shell is slightly rounded, marked like the spaces between the sutures. The aperture is suboval. The posterior angle is obtuse. The outer lip is thick. The columella is strong, curved, and provided with a prominent lamellar plate at its insertion. The parietal wall covered by a moderately thick callus. 〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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