McAlpine, Donald F.Hughes, Liam C.Alexander, Arianne2016-03-082016-03-082005http://hdl.handle.net/10222/70950The occurrence of the swamp lymnaea, Lymnaea stagnalis (linnaeus 1758). a large, distinctive, pulmonate snail, has been documented in Atlantic Canada for the first time. It is unclear if the populations reported here are relictual, or whether L stagnalis has been introduced into Atlantic Canada.enText