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+--- Thread: is this a seashell? (/showthread.php?tid=1399)
is this a seashell? - aswitzer88 - 07-14-2011
I'm unsure as to whether this item is a seashell. It was found on the shore of Loch Fyne, Scotland. Diameter approximately 7cm from memory. It felt like a seashell but it is round. Can anyone please help? I only have these 7 photos.
<!-- m --><a class="postlink" href="http://www.flickr.com/photos/40017072@N06/sets/72157627189693512/">http://www.flickr.com/photos/40017072@N ... 189693512/</a><!-- m -->
Thank you kindly
Amanda
Re: is this a seashell? - paul monfils - 07-14-2011
Well, it comes from the sea, and its "sort of" a shell, but not what we usually mean when we speak of "seashells". Most "seashells" come from a group of invertebrate animals called "mollusks", which includes snails, clams, cockles, mussels, etc. This animal belongs to a completely different phylum. It's a sea urchin, a relative of starfishes, in a phylum of animals called "echinoderms", meaning "spiny skinned".
Here is some more information on these animals: <!-- m --><a class="postlink" href="http://en.wikipedia.org/wiki/Sea_urchin">http://en.wikipedia.org/wiki/Sea_urchin</a><!-- m -->
Re: is this a seashell? - aswitzer88 - 07-14-2011
Wow what a great source of information, thanks Paul I really appreciate it.
Kind regards,
Amanda