Shishangluosi (石上螺〓) were first described in "Ben Cao Gang Mu Shi Wei (本草綱目拾遺)" as a kind of molluscan drugs. This mollusk has been used to cure jaundice and swellings. In a modern Japanese literature, this mollusk was identified to some species of Littorina, belonging to the family Littorinidae. But Littorina is dwelling on the rocks of seashore. Careful investigations on the original description, meaning of the name, shape and character of the shells, habitat of the snails and their medicinal usages suggested that Shishangluosi were some kinds of live land snails having the spindle-like shell, e.g. the Clausiliidae. We also surveyed to the local usages of Euphaedusa digonoptyx (Boettger), E. tau (Boettger) and Stereophaedusa japonica (Crosse) in Japan and found Shishangluosi had the similarity to these Japanese folk medicines. As a result, Shishangluosi were presumed to be some common species of the Clausiliidae, Euphaedusa aculus aculus (Benson), E. tau (Boettger) etc.
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