Detail
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Class
Gastropoda 
 
Class_C
腹足綱 
Order
Mesogastropoda 
Order_C
中腹足目 
Family
Rissoidae 
Family_C
麂眼螺科 
Genus_C
 
Scientific Name
Alvania gradatoides
Nomenclator
(Finlay, 1927) 
Chinese Name
 
Common_C
 
Synonym
Alvania (Linemera) interrupta gradatoides (Finlay, 1927) 
Common_E
 
Size
1.4 * 0.5 mm 
World Distribution

 
Taiwan Distribution
綠島 
Character
Shell, minute, oval-conic with protoconch, paucispiral, convex. Mature whorls, 3, slightly convex and suture, deep. Weak reticulate sculpture, replaced by weak spirals at base; 4 spirals and about 13 axials on the penultimate whorl. Aperture, rounded. Color, light yellow. It distinguishes from Alvania isolate (Laseron) in having weaker sculpture, smaller protoconch and lacking golden orange spots on shoulder.
 
Reference
200163 
Remark
新紀錄種 迷你貝
 Mini shell


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