Shell base
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Class
Gastropoda 
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Class_C
腹足綱 
Order
Mesogastropoda 
Order_C
中腹足目 
Family
Diplommatinidae 
Family_C
芝麻蝸牛科 
Genus_C
左旋芝麻蝸屬 
Scientific Name
Palaina formosana
Nomenclator
Pilsbry et Hirase, 1905 
Chinese Name
台灣左旋芝麻蝸牛  China Name
Chinese Common Name
 
Synonym
 
English Common Name
 
Area
台灣
Taiwan
Distribution
台灣特有種
Habitat
高海拔山區落葉堆下
Shell Character
殼小,橢圓形,殼表橘紅色,5 個螺層,殼左旋。螺層逐漸膨脹,次體螺層最寬大,之後的體螺層緊縮。殼表分佈片狀斜縱肋。緊線位於螺軸上,無腔襞。殼口近圓形,唇外翻,兩層。殼口滑層發達,與體螺層分離。軸唇上具一齒,末端向下。口蓋角質,圓形,褐黃色。
Reference
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Remark
 台灣特有種


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