help for identification of molluscs

[lalehmosavi]

hello i am studenen i collected my shells from wetlland in iran
my shells is very tiny
do you help me for identification of them
i will send picture of them
please post your idea about identification of them
thanks
link of my picture is :
<a href="http://rapidshare.com/files/249930832/molluscs.zip.html" target="_blank"><!-- m --><a class="postlink" href="http://rapidshare.com/files/249930832/molluscs.zip.html">http://rapidshare.com/files/249930832/molluscs.zip.html</a><!-- m --></a>  <span class="petit">--Last edited by Paul Monfils on 2009-06-30 21:30:33 --</span>