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Subject:
Re: Gemma gemma
From:
steve rosenthal <[log in to unmask]>
Reply To:
Conchologists List <[log in to unmask]>
Date:
Thu, 3 Sep 2020 16:15:15 -0400
Content-Type:
text/plain
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this comment is on the species page for Gemma gemma in the Global
Invasive Species Database:

Accidentally introduced along with Atlantic oysters (Boyd et al. 2002)
from the Chesapeake Bay in 1899 (Narchi, 1971).First Pacific coast
report was in 1893, with the introduction occuring from the crop of a
duck that was brought to San Fransico Bay (Boyd et al. 2002).

(they dont give any further details on the Boyd et al citation)

On 9/3/20, Harry Lee <[log in to unmask]> wrote:
> Is there a bibliography on various modes of atypical passive dispersal
> of mollusks, Paul?
>
> I vaguely recall succineids sticking to birds' feathers and, one
> classical biologist (? Darwin) who showed a clam attached to a duck's foot.
>
> Harry
>
>
> On 9/3/2020 3:19 PM, Callomon,Paul wrote:
>>
>> Fun fact: though marine, /Gemma gemma/ is occasionally distributed by
>> air. It rides waterspouts and rainstorms – the advantages of being
>> little.
>>
>> *Paul Callomon MSc*
>> /Collection Manager, Malacology and General Invertebrates/
>>
>> ------------------------------------------------------------------------
>>
>> *Academy of Natural Sciences of Drexel University, Philadelphia*
>>
>> 1900 Benjamin Franklin Parkway, Philadelphia PA 19103-1195, USA
>> [log in to unmask] <mailto:[log in to unmask]> Tel 215-405-5096 - Fax
>> 215-299-1170/
>>
>
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