Dear Paolo,

maybe that I can classify the shells. Are there any
images to control, but on which site.
after the low tide
Sieglinde


 --- "Paolo G. Albano" <[log in to unmask]>
schrieb: > >1. probably Chiton olivaceus (Spengler,
1797) At 10
> mm it would be a
> juvenile.
>
> It is not this species, neither as a juvenile.
> I hope some mediterranean chitons expert shows up
> otherwise I will try to
> make a tentative identification on my own (but I do
> not understand much of
> them).
>
> >4. Cerithium vulgatum (Bruguiere, 1792), slightly
> immature. At 51 mm,
> >the only other species it could be is C. alucaster
> (Brocchi, 1814) but
> >the markings and sculpture of your specimen, in my
> opinion, suggest C.
> vulgatum.
>
> It is probably Cerithium haustellum Monterosato in
> Crema, 1903.
> It differs from C. vulgatum by having the last whorl
> small compared to
> shell height.
> In C. vulgatum, the last whorl can be one third of
> the shell height.
>
> >6. probably Diodora graeca (L., 1758)
>
> I do not think it is D. graeca.  It has much thicker
> radial and
> concentrical ribs.
> Another difficult group.
>
> Best regards,
> Paolo
>
> Paolo Giulio ALBANO
> Bologna, ITALY
> E-mail: [log in to unmask]
> Homepage:
http://members.xoom.virgilio.it/pgalbano/index.htm

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