Most probably the species is Theba pisana. The colourpattern of Trochoidea cretica (belongs to the Hygromiidae!) is different. Pisana is widespread in the whole mediterrenean area
 
Wim Maassen

________________________________

Van: Conchologists List namens Andrew Grebneff
Verzonden: do 2-8-2007 11:17
Aan: [log in to unmask]
Onderwerp: Re: Mystery Greek Terrestrial



>It is NO Cepaea surely.
>Lubosh
>
>----- Original Message -----
>From: <mailto:[log in to unmask]>Avril Bourquin
>To: <mailto:[log in to unmask]>[log in to unmask]
>Sent: Thursday, August 02, 2007 4:01 AM
>Subject: Mystery Greek Terrestrial
>
>Hello Conchlers,
>
>
>
>I have set up a new Mystery Page for Simon at:
><http://www.manandmollusc.net/Mystery_shell_pages/Simon-R-mystery.html>http://www.manandmollusc.net/Mystery_shell_pages/Simon-R-mystery.html
>
>I've given my ideas on the page; but it wouldn't be the first time
>(nor the last) that I have been wrong.

It belongs to Helicellidae. This family contains several genera which
are extremely difficult to tell apart using shell-characters. However
the species in question is likely to be Trochoidea cretica (Férussac
1822). It is likely that other helicellids have been introduced there
also.

Helicoids estivate during especially hot dry weather; they position
the aperture closely against a solid substrate and seal the gaps up
with mucus, which dries. Some members of the related family Helicidae
can survive for up to 5 years or so in this fashion.
--
Andrew Grebneff
Dunedin
New Zealand
Fossil preparator
<[log in to unmask]>
Seashell, Macintosh, VW/Toyota van nut

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