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During an expedition along the Kola Peninsula coast in 2009, Alvania punctura was found in two localities. This is the first record of this species, which occurs from the Mediterranean to Scandinavia, from the Russian Barents Sea. This finding may be caused by current climate change or by misidentification of earlier finds by previous authors.
Several empty shells of the Rissoid Alvania dorbignyi are found in the sea off Tabarka, north-western Tunisia. Alvania dorbignyi is a species known along Israeli and Cyprus coasts, generally considered to be a lessepsian migrant, but a full agreement on its origin does not currently exist. The present distribution of such species is here discussed, pointing out the lack of intermediate records between samples from Tabarka, here reported, and those from the Levantine Basin. It is emphasized that realistic conclusions will be suggested after an accurate search of the species in such intermediate areas.
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