| Semisulcospina | A genus of operculate snails (family Pleuroceriidae, subclass Prosobranchiata). An oriental form, Semisulcospina libertina, is the first intermediate host of a number of trematodes, including Paragonimus westermani. Origin: semi-+ L. Sulcus, a furrow + spina, thorn, spine (05 Mar 2000) |
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