Shell Family of Taiwan
Tornidae 齒輪螺科contain4 species in Taiwan，show1 - 4
 
 ：
Senitfic Name
Chinese Name
omenclator
photo
 Pygmaeorota choshiensis   Habe, 1961  
 Pygmaeorota duplicata   (Lischke, 1872)  
 Pygmaerota modesta 粗肋齒輪螺  (Gould, 1861)  
 Tornus carinatus   (A. Adams, 1863)