Echinophoria sp. and freshwater gasteropod

[zekokille]

Hi everybody,

I have some difficulties with these 3 guys <img src="images/smiley/bof.gif" alt="" border="0" /> :

1st an Echinophoria of 128 mm, probably related with wyvillei but it doesn't show any knobs on the first whorls
<a href="http://www.badongo.com/pic/424943" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/424943">http://www.badongo.com/pic/424943</a><!-- m --></a>

2nd is from a lake in China, it is about 50 mm
<a href="http://www.badongo.com/pic/424946" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/424946">http://www.badongo.com/pic/424946</a><!-- m --></a>

3rd one is a 73 mm cassidae from caribbean deep water
<a href="http://www.badongo.com/pic/424948" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/424948">http://www.badongo.com/pic/424948</a><!-- m --></a>

Thanks for your help !

Patrick