worm shell
noun
1
- a marine mollusc with a shell that forms loose irregular coils, giving it a worm-like appearance蠕螺。
1.1
- Family Vermetidae, class Gastropoda: Vermetus and other genera, including the European giant worm shell (V. gigas).蛇螺科, 腹足纲：蛇螺属和其他属, 包括欧洲的大蛇螺（拉丁名V. gigas）。
2
- the twisted calcareous tube of a sedentary marine bristle worm, typically attached to a stone or mollusc shell龙介虫。
2.1
- The worms belong to Serpula and other genera, class Polychaeta.属于龙介虫属和其他属, 多毛纲。