Detail
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Class
Gastropoda 
 
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 
Common_C
 
Synonym
 
Common_E
 
Size
1.5mm 
World Distribution
台灣特有種
 
Taiwan Distribution
高雄縣,蘭嶼,南投縣,北大武山,小鬼湖,玉山國家公園郡大觀高地區 
Habitat
高海拔山區落葉堆下 
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
000107100070100225200001200024620090707001200155320090220002320090219045020090304003_01320100407001320110114006 
Remark
台灣特有種
 


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