Thank you very much! Yes please send what you think is useful. But wait
a bit more, as I am discovering, from Reunion, a kind of longii... I
prepare a picture. I come back offlist very soon. Nerits are my
favourite snails; I may be better in identification. It's a shame.

Olivier

Le 04/10/2011 16:51, Thomas Eichhorst a écrit :
> The first is Nerita chamaeleon Linnaeus, 1758 - a good key to
> identification
> is the presence of dark brown wavy axial stripes within the dark-colored
> areas of the shell.  Another is the straight row (parallel to the
> columella)
> of denticles (3 to 5) on the parietal shelf.
>
> The second shell is Septaria porcellana (Linnaeus, 1758) - yes, this shell
> normally has numerous variably sized tents that make up the pattern, but it
> can appears with axial bands or lines, such as the one you have.  There is
> no simple key for identification, but luckily, the two Septaria that seem
> most difficult to differentiate are not located in the Philippines.
>
> Hope this helps,
>
> Tom Eichhorst
>
> PS  If you want I can send images and detailed write ups on these species.

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------