Shell base
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Class
Gastropoda 
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Class_C
腹足綱 
Order
Heteropoda 
Order_C
異足目 
Family
Naticidae 
Family_C
玉螺科 
Genus_C
無臍玉螺屬 
Scientific Name
Polinices bicolor
Nomenclator
(Philippi, 1848) 
Chinese Name
雙色玉螺  China Name
Chinese Common Name
 
Synonym
 
English Common Name
 
Area
台灣、南韓
Taiwan
Distribution
南韓
Habitat
淺海沙底
Shell Character
殼近橢圓形,質厚。殼表為光澤明顯,灰褐色,縫線下具白色和深褐色的色帶。殼頂為黑色。臍盤大型,深褐色,臍盤上有臍溝,將其分為兩葉,前葉大於後葉,臍溝較寬且深。臍孔大而深。殼口半圓形,底部淺褐色,往內漸深。口蓋角質,褐色,半圓形,與殼口等大。
Reference
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