Semisulcospira libertina
... that Semisulcospira libertina is the most common freshwater snail in Japan?
... that <i id="mwzg"><b id="mwzw"><a href="./Semisulcospira_libertina" id="mw0A" rel="mw:WikiLink" title="Semisulcospira libertina">Semisulcospira libertina</a></b></i> <i id="mw0Q">(pictured)</i> is the most common freshwater snail in Japan?