Distributional Status of an Introduced Land Snail Discus rotundatus (Rotund Disc, Mollusca: Discidae) in Canada
DOI :
https://doi.org/10.22621/cfn.v130i3.1887Mots-clés :
Discus rotundatus, Mollusca, terrestrial snail, gastropod, new provincial record, new brunswick, newfoundland and Labrador, biogeographyRésumé
First collected in North America in 1937 on the Avalon Peninsula of the Island of Newfoundland, the introduced, primarily European land snail, Discus rotundatus, has now been recorded from the Island of Newfoundland, Nova Scotia, New Brunswick, Quebec, Ontario, and British Columbia. We review all known records from Canada, demonstrate that D. rotundatus is more widespread than was previously recognized on the Island of Newfoundland, and report the first record from New Brunswick.
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