6 VERY Very tiny shells -need help

[britsnana]

6  Miniature shells need identified. Please help
I am very new to this and can't tell one family from the other right now.
These shells are from Myrtle Beach S.C. from vacation-09
   Each one will fit in the 0 of the date 2008 on a penny
The 1. pic.is of the trans.shell and the snail shell. The next 2 are of the trans. shell in different views,the fourth is the trans shell on a penny to show size it fits in 0 of the date on penny.

             translucent shell
l.<a href="http://www.badongo.com/pic/7083938" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083938">http://www.badongo.com/pic/7083938</a><!-- m --></a>
2.<a href="http://www.badongo.com/pic/7083940" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083940">http://www.badongo.com/pic/7083940</a><!-- m --></a>
3.<a href="http://www.badongo.com/pic/7083942" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083942">http://www.badongo.com/pic/7083942</a><!-- m --></a>
4.<a href="http://www.badongo.com/pic/7083943" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083943">http://www.badongo.com/pic/7083943</a><!-- m --></a>
       snail - on penny
1.<a href="http://www.badongo.com/pic/7083944" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083944">http://www.badongo.com/pic/7083944</a><!-- m --></a>
      petrified snail?
1.<a href="http://www.badongo.com/pic/7083945" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083945">http://www.badongo.com/pic/7083945</a><!-- m --></a>
2.<a href="http://www.badongo.com/pic/7083947" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083947">http://www.badongo.com/pic/7083947</a><!-- m --></a>
     tube? -second pic. on penny for size
1.<a href="http://www.badongo.com/pic/7083946" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083946">http://www.badongo.com/pic/7083946</a><!-- m --></a>
2.<a href="http://www.badongo.com/pic/7083948" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083948">http://www.badongo.com/pic/7083948</a><!-- m --></a>
     shell ? second on penny for size
1.<a href="http://www.badongo.com/pic/7083949" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083949">http://www.badongo.com/pic/7083949</a><!-- m --></a>
2.<a href="http://www.badongo.com/pic/7083950" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083950">http://www.badongo.com/pic/7083950</a><!-- m --></a>
  shell 2 ??
1.<a href="http://www.badongo.com/pic/7083951" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083951">http://www.badongo.com/pic/7083951</a><!-- m --></a>
2.<a href="http://www.badongo.com/pic/7083955" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083955">http://www.badongo.com/pic/7083955</a><!-- m --></a>
3.<a href="http://www.badongo.com/pic/7083953" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/7083953">http://www.badongo.com/pic/7083953</a><!-- m --></a>
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