Costa Rica 6

[rafa]

I continue sending seashells from Costa Rica. Plaese help me to ID.
Rafa.
<a href="http://badongo.com/pic/2814311" target="_blank"><!-- m --><a class="postlink" href="http://badongo.com/pic/2814311">http://badongo.com/pic/2814311</a><!-- m --></a>

[paul monfils]

These are all Agaronia. A. testacea and A. propatula are very similar, but I believe #1 and #2 are both Agaronia propatula (Conrad, 1849) and #3 is Agaronia testacea (Lamarck, 1811).