Can anybody please help with identification?

[lulu.shell]

Hello everybody,

I was wondering if anyone could help me to classify these shells:

From Brazil:
<a href="http://www.badongo.com/pic/8981679" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981679">http://www.badongo.com/pic/8981679</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981686" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981686">http://www.badongo.com/pic/8981686</a><!-- m --></a>

From Australia or Phillipines, probably. Doesn't appear to be h. rubescens:
<a href="http://www.badongo.com/pic/8981690" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981690">http://www.badongo.com/pic/8981690</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981692" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981692">http://www.badongo.com/pic/8981692</a><!-- m --></a>

Two land snails from by Lake Barasona, Huesca, Spain:
<a href="http://www.badongo.com/pic/8981694" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981694">http://www.badongo.com/pic/8981694</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981696" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981696">http://www.badongo.com/pic/8981696</a><!-- m --></a>

Land snails:
<a href="http://www.badongo.com/pic/8981700" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981700">http://www.badongo.com/pic/8981700</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981706" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981706">http://www.badongo.com/pic/8981706</a><!-- m --></a>

<a href="http://www.badongo.com/pic/8981718" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981718">http://www.badongo.com/pic/8981718</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981725" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981725">http://www.badongo.com/pic/8981725</a><!-- m --></a>

<a href="http://www.badongo.com/pic/8981727" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981727">http://www.badongo.com/pic/8981727</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981730" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981730">http://www.badongo.com/pic/8981730</a><!-- m --></a>

<a href="http://www.badongo.com/pic/8981735" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981735">http://www.badongo.com/pic/8981735</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981738" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981738">http://www.badongo.com/pic/8981738</a><!-- m --></a>

<a href="http://www.badongo.com/pic/8981742" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981742">http://www.badongo.com/pic/8981742</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981747" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981747">http://www.badongo.com/pic/8981747</a><!-- m --></a>

Possibly Palidula? From Philippines:
<a href="http://www.badongo.com/pic/8981749" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981749">http://www.badongo.com/pic/8981749</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981754" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981754">http://www.badongo.com/pic/8981754</a><!-- m --></a>

Maybe also Palidula. Locality unknown:
<a href="http://www.badongo.com/pic/8981760" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981760">http://www.badongo.com/pic/8981760</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981762" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981762">http://www.badongo.com/pic/8981762</a><!-- m --></a>

Unknown xenophora: From Philippines:
<a href="http://www.badongo.com/pic/8981765" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981765">http://www.badongo.com/pic/8981765</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981767" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981767">http://www.badongo.com/pic/8981767</a><!-- m --></a>

Pecten from Philippines:
<a href="http://www.badongo.com/pic/8981771" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981771">http://www.badongo.com/pic/8981771</a><!-- m --></a>

Maybe a pisania, but which one. From Philippines or Australia:
<a href="http://www.badongo.com/pic/8981776" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981776">http://www.badongo.com/pic/8981776</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981781" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981781">http://www.badongo.com/pic/8981781</a><!-- m --></a>

Atlantic, Portugal, fished commercially:
<a href="http://www.badongo.com/pic/8981784" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981784">http://www.badongo.com/pic/8981784</a><!-- m --></a>

Is this Thais Orbita?
<a href="http://www.badongo.com/pic/8981786" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981786">http://www.badongo.com/pic/8981786</a><!-- m --></a>
<a href="http://www.badongo.com/pic/8981790" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/8981790">http://www.badongo.com/pic/8981790</a><!-- m --></a>

Any help will be much appreciated.