slit-shell
A surname.
Any species of Pleurotomaria, a genus of pearly spiral gastropod shells having a deep slit in the outer lip. Many fossil species are known, and a few living ones are found in deep water in tropical seas.
plural of Piedrahita
present participle of sinusoidalize
そのダイバーは、水深200メートルのサンゴに張り付いている珍しいプリューロトマリア属の巻貝（外唇に深い裂け目のある真珠光沢の螺旋貝）を注意深く撮影した。
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DiQt
Free
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