Semisulcospina

Semisulcospina

(sem'ē-sŭl'kō-spī'nă),
A genus of operculate snails (family Pleuroceriidae, subclass Prosobranchiata). An Asian form, Semisulcospina libertina, is the first intermediate host of a number of trematodes, including Paragonimus westermani.
[semi- + L. sulcus, a furrow + spina, thorn, spine]