Dear Wolf,
It looks like an immature Fasciolaria (Pleuroploca) trapezium (Linne 1758),
which grows to around 185mm in length.
Mach's gut,
Scott Jordan
-----Original Message-----
From: FISCHER WOLFGANG <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Tuesday, February 02, 1999 1:12 AM
Subject: Please Help
>Dear all,
>
>I need some help for identification. I collect a unidentified gastropod
>in Thailand. Who knows the name (and autor), this pictured sp. is
>probaply a pleistozaen-pliozaen sp.
>
>You can view the shell under
>http://pflbau.boku.ac.at/private/wf/Thailand_Seite.html
>
>Thank's
>
>Wolfgang Fischer
>
>
>Institut f r Pflanzenbau u. Pflanzenz chtung
>Universit t f r Bodenkultur
>Gregor Mendel Str. 33
>1180 Wien
>AUSTRIA
>
>E-mail: [log in to unmask]
> Fax: ++43 1 47654-3342
> Tel: ++43 1 47654-3307