Unidentified Oliva from Ampasilava, Madagascar

[cebrizi]

a 25 mm specimen from Ampasilava, Mozambique channel.
I would appreciate your advice in identification.
Separately sent also to Mr. Monfils.
Here are the URLs in the case the images won't load, they may require two passes to load, or even to cut&paste the url in the browser address bar. Please excuse my sloppy provider...
<a href="http://xoomer.virgilio.it/cebrizio/OlivaIndet_02.JPG" target="_blank"><!-- m --><a class="postlink" href="http://xoomer.virgilio.it/cebrizio/OlivaIndet_02.JPG">http://xoomer.virgilio.it/cebrizio/OlivaIndet_02.JPG</a><!-- m --></a>
<a href="http://xoomer.virgilio.it/cebrizio/OlivaIndet_01.JPG" target="_blank"><!-- m --><a class="postlink" href="http://xoomer.virgilio.it/cebrizio/OlivaIndet_01.JPG">http://xoomer.virgilio.it/cebrizio/OlivaIndet_01.JPG</a><!-- m --></a>
<a href="http://xoomer.virgilio.it/cebrizio/Protoconch001.bmp" target="_blank"><!-- m --><a class="postlink" href="http://xoomer.virgilio.it/cebrizio/Protoconch001.bmp">http://xoomer.virgilio.it/cebrizio/Protoconch001.bmp</a><!-- m --></a>
Many thanks to everyone
<img src="http://xoomer.virgilio.it/cebrizio/OlivaIndet_02.JPG" alt="http://xoomer.virgilio.it/cebrizio/OlivaIndet_02.JPG" style="border:0" />
a  second view
<img src="http://xoomer.virgilio.it/cebrizio/OlivaIndet_01.JPG" alt="http://xoomer.virgilio.it/cebrizio/OlivaIndet_01.JPG" style="border:0" />
The protoconch - badly scanned...
<img src="http://xoomer.virgilio.it/cebrizio/Protoconch001.bmp" alt="http://xoomer.virgilio.it/cebrizio/Protoconch001.bmp" style="border:0" />  <span class="petit">--Last edited by cebrizi on 2009-10-20 20:01:50 --</span>