Shell Family of Taiwan
Seguenziidae 陀螺科contain1 species in Taiwan,show1 - 1
 
Seguenziidae Shell usually small and white, cornical or biconical, with strong spiral ribs between which present spaced axial riblets. Outer lip sometimes complicatedly sinuous. Umbilicus open or closed.
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 Basilissa soyoae 小陀螺  Okutani, 1968