Was´n it the Mya arenaria and Mya truncata sailing along with the vikings?
Best regards
Bernd Sahlmann
from Munich

www.berndsahlmann.de


>>  Congeria leucophaeta
>
> Mytilopsis seems to be a valid genus, applicable to this and other
> generally (though not exclusively) estuarine dreissinids.  M. sallei is
> another New World species that has reached the Old World.  Congeria is
> mostly used for fossils, but a living species, the only cave-dwelling
> freshwater bivalve I know of, has been reported from the Balkans.
>
>>  Marine molluscs:
>
> Crassostrea virginica has been deliberately introduced to Europe, but I
> don't know how the population is faring.
> Probably many species of teredinids are invasive, but we don't know what
> was native where before wooden ships spread them around the globe.
>
> I think I recall speculation that Macoma balthica might be a North
> American species transported to Europe by Vikings.
>
>    Dr. David Campbell
>    Old Seashells
>    University of Alabama
>    Biodiversity & Systematics
>    Dept. Biological Sciences
>    Box 870345
>    Tuscaloosa, AL  35487-0345 USA
>    [log in to unmask]
>
> That is Uncle Joe, taken in the masonic regalia of a Grand Exalted
> Periwinkle of the Mystic Order of Whelks-P.G. Wodehouse, Romance at
> Droitgate Spa
>
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