please help!!! i know nothing about seashells

[chastidyllaws]

PLEASE AGAIN HELP ME IDENTIFY THESE SHELLS WHAT FAMILY WHERE THEY ARE FROM AND IF ANY VALUE AND IF THERE IS VALUE HOW WOULD I GRADE THIS?? THANKS SO MUCH<a href="http://www.badongo.com/pic/1365462" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/1365462">http://www.badongo.com/pic/1365462</a><!-- m --></a> <a href="http://www.badongo.com/pic/1365479" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/1365479">http://www.badongo.com/pic/1365479</a><!-- m --></a>