Detail
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Class
Bivalvia 
 
Class_C
雙殼綱 
Order
Pterioida 
Order_C
鶯蛤目 
Family
Isognomonidae 
Family_C
障泥蛤科 
Genus_C
鉗蛤屬 
Scientific Name
Isognomon nucleus
Nomenclator
(Lamarck, 1819) 
Chinese Name
小障泥蛤 
Common_C
黑障泥蛤 
Synonym
acutirostris Dunker, 1869; nana Gould, 1850 
Common_E
 
Size
To 30mm 
World Distribution
福建廈門、廣東 洲島、廣西北海、潿州島、海南東西及南部沿海、西沙永興島、石島、東島、琛航島、廣金島、晉卿島、中建島、羚羊礁、越南(Khanh Hoa、 Binh Thuan)、阿拉伯東部 (NG, NWG, SEG, GO, Mas)
 Vietnam(Khanh Hoa, Binh Thuan); Eastern Arabia (NG, NWG, SEG, GO, Mas)
Taiwan Distribution
花蓮石梯坪,蘭嶼,台北縣,花東海岸,澎湖大倉島,澎湖北部海域,澎湖內海海域,屏東縣恆春半島,大樹房,台灣東北角,基隆市,宜蘭縣大里,東沙島,高雄市柴山海岸 
Habitat
以足絲附著於潮間帶岩礁中。潮間帶、以足絲附著於岩石、珊瑚礁或貝殼上 
Intertidal,bysally attached to rocks at 1-5m
Character
小型,殼近方形,殼體膨脹,殼呈薄片狀,殼色為灰至灰黑色,腹緣為黑色。殼上有形成薄板狀的成長線。殼頂偏向背緣,呈鳥喙狀。殼內有數個韌帶溝。殼內面為紫黑色珍珠質。
 
Reference
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