Shell Family of Taiwan
Neritopsidae 真珠蜑螺科contain1 species in Taiwan，show1 - 1
 
Neritopsidae 真珠蜑螺科：Shell hemi-spherical, white, with dense granulose spiral ribs. Spire moderately elevated, with constricted suture. Aperture broad and round. Outer lip thickened interiorly. Columellar thickened only anterior and posterior portions forming square notches, operculum calcified, lunate with broad, truncate peg interiorly. Redula rhipidoglossate whithout rachidian.
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 Neritopsis radula 真珠蜑螺  (Linnaeus, 1758)