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Amphidromus
''Amphidromus'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae. ''Amphidromus'' is a genus of arboreal pulmonate land snails. The shells of ''Amphidromus'' are relatively large, from one to three inches high, and colorful. == Definition of ''Amphidromus'' == The genus may be characterized as follows:〔 It has brightly colored, elongate conic shells, dextral or sinistral with one to three inches high with 5 to 8 whorls which increase regularly in size. The aperture is sublunate or auriform, without teeth or folds, height two-fifths to one-third that of shell. The peristome is expanded and reflected, sometimes thickened. Parietal callus is weak to well-developed. The umbilicus is open or closed. Color pattern is monochrome to variegated. The jaw is thin and weak with low flat ribs. The radula is with cusped teeth arranged in V-shaped rows and modified in typical arboreal pattern. The pallial region is sigmurethrous with very long, narrow kidney. Genitalia are camaenid, with long seminal receptacle, and short penis with low insertion of retractor muscle. The habitat is arboreal.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Amphidromus」の詳細全文を読む
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