Shell base
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Class
Gastropoda 
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Class_C
腹足綱 
Order
Basommatophora 
Order_C
基眼目 
Family
Planorbidae 
Family_C
扁蜷科 
Genus_C
類扁蜷屬 
Scientific Name
Polypylis hemisphaerula
Nomenclator
(Benson, 1842) 
Chinese Name
台灣類扁蜷  China Name
Chinese Common Name
 
Synonym
nitidella v. Martens, 1867; lucidum Gould, 1859 
English Common Name
 
Area
台灣、南韓
Taiwan
Distribution
南韓
Habitat
棲息在池塘水田中。
Shell Character
殼半透明,質薄,為扁平圓盤狀,體螺層周圍無稜角,臍孔寬略為下陷且深陷,殼頂寬且深陷。殼口極寬,殼口和螺層有明顯交疊,殼口下緣較上緣長,上緣略為向下。
Reference
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