Hello,

Thanks, Flavio and David for the in formation on the Pholas-plates !

Jan

> -----Oorspronkelijk bericht-----
> Van:  Haspeslagh, Jan
> Verzonden:    donderdag 2 september 1999 10:55
> Aan:  [log in to unmask]
> Onderwerp:    Pholas dactylus-extra plates
>
> Hello all,
>
> Recently I have had a "discussion" (well, just two different points of
> view, that's all...:=) with an exchange partner regarding the extra plates
> coming with Pholas dactylus. In my opinion these plates are really part of
> the shell structure (same material as the rest of the shell) and should be
> collected with the two valves. My partner thinks the origin of these extra
> pieces is cartilaginous, so the plates could be omitted as not being
> really "shell". As I don't have any Pholas with plates right now I can't
> check this on the subject itself.
>
> Are there any specialists who can help us out here ?
>
> Thanks a lot
>
> J. Haspeslagh
> bibliotheek Zwevegem
>
> Oudstrijderslaan 17
> B-8511 Kortrijk
> Belgium
> 0032 56 422744
>
>