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Tue, 30 Nov 2004 19:06:38 +0100 |
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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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