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Words near each other
・ Clavaria zollingeri
・ Clavariaceae
・ Clavariachaete
・ Clavariadelphaceae
・ Clavariadelphus
・ Clavariadelphus ligula
・ Clavariadelphus pistillaris
・ Clavariadelphus truncatus
・ Clavariadelphus unicolor
・ Clavaric acid
・ Clavarioid fungi
・ Clavascidium
・ Clavascidium lacinulatum
・ Clavator
・ Clavator moreleti
Clavatula
・ Clavatula annielonae
・ Clavatula asamusiensis
・ Clavatula bimarginata
・ Clavatula caerulea
・ Clavatula christianae
・ Clavatula colini
・ Clavatula congoensis
・ Clavatula coronata
・ Clavatula cossignanii
・ Clavatula decorata
・ Clavatula delphinae
・ Clavatula diadema
・ Clavatula filograna
・ Clavatula flammulata


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Clavatula : ウィキペディア英語版
Clavatula

''Clavatula'' is a genus of sea snails, marine gastropod mollusks in the family Clavatulidae.
==Description==
In this genus, the shell is fusiform, with a well-produced spire. The whorls are coronated with tubercles or short spines at the suture;. The aperture is oval. The columellar lip is smooth, arcuate, and callous behind. The outer lip is thin and arcuated, with the anal sinus situated below the sutural coronal. The operculum is semioval with its nucleus about the middle, on the inner side.
The foot is large, short and obtuse behind. The eyes are placed externally near the extremity of the tentacles. The radula contains a small unicuspid central tooth with single sharp laterals (formula :1-1-1).
The species mostly inhabits the west coast of Africa.〔George Washington Tryon, Manual of Conchology vol. VI p. 157; 1884〕

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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