钓锤旋螺（学名：Leucozonia smaragdula），是新腹足目旋螺科Leucozonia的一种。主要分布于印度尼西亚、中国大陆、台湾，常栖息在低潮线。

Latirolagena smaragdula is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.