Shell base
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Class
Gastropoda 
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Class_C
腹足綱 
Order
Archaeogastropoda 
Order_C
原始腹足目 
Family
Trochidae 
Family_C
鐘螺科 
Genus_C
 
Scientific Name
Omphalius nigerrima
Nomenclator
(Gmelin, 1791) 
Chinese Name
臍孔黑鐘螺  China Name
Chinese Common Name
 
Synonym
Trochus nigerrima Gmelin, 1791; Diloma nigerrima in Abbott et Dance, 1986、Omphalius nigerrimus in Higo et al., 1999; Okutani, 2000; Osilinus nigerrima 
English Common Name
 
Area
台灣、中國、越南
Taiwan
Distribution
中國福建、廣東、越南(Khanh Hoa、 Ninh Thuan)
Habitat
潮間帶岩礁
Vietnam(Khanh Hoa, Ninh Thuan)
Shell Character
殼呈圓錐狀,體層略微膨脹,殼中型質厚。殼表黑色,具粗斜肋,體層底部為橫斜肋。殼底平整,具放射細紋。殼口完整,具珍珠光澤,軸唇具一小齒。臍孔深且明顯,與周圍為白色。口蓋角質,圓而薄。
Reference
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Remark
 本種與黑鐘螺Chlorostoma argyrostoma(Gmelin, 1791)之差別,在於本種體螺層底部為橫斜肋,臍孔大且深,底部具明顯放射紋,軸唇有齒。
Uncommon in Vietnam


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