Shell Family of Taiwan
Modulidae 壺螺科contain2 species in Taiwan，show1 - 2
 
Modulidae 壺螺科：Shell turbinate, with an umbilicus and a columellar denticle. Cephalic tentacles long with an small eye on the middle. Lacking penis like other cerithioideans.
Senitfic Name
Chinese Name
omenclator
photo
 Modulus candidus   Petit, 1853  
 Modulus tectum 壺螺  (Gmelin, 1792)