First post, identification help needed!!

[shellnut 09]

Here are the last ones!! Thank you so much for your identification help!!

Yall have been a great help! I am going to Sanibel/Captiva, FL in May and will look forward to looking at the shells from a different perspective and maybe even being able to identify some by eye!

<img src="http://i77.photobucket.com/albums/j62/ChaseA17/A.jpg" alt="http://i77.photobucket.com/albums/j62/ChaseA17/A.jpg" style="border:0" />
<img src="http://i77.photobucket.com/albums/j62/ChaseA17/B.jpg" alt="http://i77.photobucket.com/albums/j62/ChaseA17/B.jpg" style="border:0" />
<img src="http://i77.photobucket.com/albums/j62/ChaseA17/C.jpg" alt="http://i77.photobucket.com/albums/j62/ChaseA17/C.jpg" style="border:0" />
<img src="http://i77.photobucket.com/albums/j62/ChaseA17/D.jpg" alt="http://i77.photobucket.com/albums/j62/ChaseA17/D.jpg" style="border:0" />