Shell base
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 |
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Scientific Name
|
Rissoa gradata | ||||
Nomenclator |
(d' Orbigny in Tryon, 1887) | ||||
Chinese Name |
China Name | Chinese Common Name |
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Synonym |
English Common Name |
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Area |
台灣 Taiwan |
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Distribution |
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Habitat |
Jamaica, Caribbean Sea is the fatherland but it is found on the beach of Lutao, Taiwan |
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Shell Character |
Shell, small, yellowish, oval, subturreted with apex, flatly domed. Mature whorls, 3-4, flat with a large body whorl and suture, impressed. Ribs, strong, oblique from top left to right with numerous spiral straie between ribs; 10 ribs on the penultimate whorl. Aperture, small, ovate; anterior canal, broad, shallow; outer lip with an axial rib just behind it.
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Reference |
200163200163 | ||||
Remark |
2004新紀錄種 迷你貝 Mini shell |
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