Help me identify these bivalves, etc. please guys

[shellhunk]

Hi Paul! The world is so fortunate to have someone like you.  <img src="images/smiley/smile.gif" alt="" border="0" /> Thank you so much for your help. And your reply was so fast even. <img src="images/smiley/smile.gif" alt="" border="0" />

Yes Paul, the fulgoraria is 214mm. My calipers is only upto 160mm. I measured it again 213mm-214mm. I have two of those, the other one is 200mm. They look similar but the other one is lighter and the pattern is not so vivid.
fulgoraria 2
<a href="http://www.badongo.com/pic/4002911" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/4002911">http://www.badongo.com/pic/4002911</a><!-- m --></a>

Here some more angles of clam 2
<a href="http://www.badongo.com/pic/4003055" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/4003055">http://www.badongo.com/pic/4003055</a><!-- m --></a>
<a href="http://www.badongo.com/pic/4003074" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/4003074">http://www.badongo.com/pic/4003074</a><!-- m --></a>


Thank you so much Paul.

Chris