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Two microshells. - Printable Version

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Two microshells. - jandelsing - 07-12-2007

Can you help me with this two microshells, both around 7 mm
a. Found on the France atlantic coast. Looks like a columbellid shell, but I can't find it in the books
<a href="http://www.badongo.com/pic/809108" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/809108">http://www.badongo.com/pic/809108</a><!-- m --></a> frontside
<a href="http://www.badongo.com/pic/809092" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/809092">http://www.badongo.com/pic/809092</a><!-- m --></a> backside
c. For certain a cerithid , bittium? but which?
<a href="http://www.badongo.com/pic/809097" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/809097">http://www.badongo.com/pic/809097</a><!-- m --></a>
<a href="http://www.badongo.com/pic/809112" target="_blank"><!-- m --><a class="postlink" href="http://www.badongo.com/pic/809112">http://www.badongo.com/pic/809112</a><!-- m --></a>

Jan


Two microshells. - paul monfils - 07-12-2007

Don't recognize the columbellid. The other one looks like Pyrenella conica (Blainville, 1826).


Two microshells. - jandelsing - 07-12-2007

Thank you. The Pyrenella clue sends me in another direction. I've seen some pictures at Hardy. One of them really looks like this shell. But I'm not sure. The finding place is Red Sea, so this fits.
About the supposed Columbellid: Your respond suggests that you, without knowing the species, also think it must be placed in this family. I have some other shells, looking very like this one, but in white collor. But I can't fit them with other European collumbellids. Mysterie rests.