dolphion70 Posted August 4, 2016 Share Posted August 4, 2016 Hello to allDuring a trip in Greek WE found the stone on the beach What you see in the picture. It could be a fossil ?if it were a fossil can be dated ? I looked at the stone with the stereo microscope and do not seem tunnels .are two faces of the same stone you can help me understand what it is Link to comment Share on other sites More sharing options...
janislav Posted August 4, 2016 Share Posted August 4, 2016 As I am unfamiliar with the geology of Greece, this is only a suggestion. The tabulate coral Halysites of Ordovician-Silurian age can look similar to what you have here. 1 Link to comment Share on other sites More sharing options...
Missourian Posted August 4, 2016 Share Posted August 4, 2016 They could be modern sponge borings, possibly Cliona. See photo #7 at https://natureinfocus.wordpress.com/2011/05/27/pebbles-with-holes-made-by-boring-sponges/ 1 Context is critical. Link to comment Share on other sites More sharing options...
Missourian Posted August 4, 2016 Share Posted August 4, 2016 Still a cool piece. It would have come home with me too. Context is critical. Link to comment Share on other sites More sharing options...
JohnBrewer Posted August 4, 2016 Share Posted August 4, 2016 Welcome to the forum John Map of UK fossil sites Link to comment Share on other sites More sharing options...
fifbrindacier Posted August 4, 2016 Share Posted August 4, 2016 I am in the sponge camp. Cool find ! "On ne voit bien que par le coeur, l'essentiel est invisible pour les yeux." (Antoine de Saint-Exupéry) "We only well see with the heart, the essential is invisible for the eyes." In memory of Doren Link to comment Share on other sites More sharing options...
abyssunder Posted August 5, 2016 Share Posted August 5, 2016 I agree! I see the resemblance with the Trypanites trace fossil. Good ID!http://viewsofthemahantango.blogspot.ro/2012/04/trypanites-borings-in-prasopora.htmlhttps://www.google.com/search?q=Trypanites&biw=1360&bih=612&source=lnms&tbm=isch&sa=X&ved=0ahUKEwif08bYlanOAhWIUhQKHZsYBUIQ_AUIBigB&dpr=1 http://www.es.ucl.ac.uk/tf/ichno.htm " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
andyrice11 Posted August 5, 2016 Share Posted August 5, 2016 (edited) I'm thinking that this may possibly be a weathered Halysites. The chain like appearance definitely stands out here. I've found a few like this with only a a couple of the "chain links" visable like this stone you have. Nice find! Edited August 5, 2016 by andyrice11 Link to comment Share on other sites More sharing options...
Rockwood Posted August 5, 2016 Share Posted August 5, 2016 I take this to be quite small, and lean toward boring bryozoan. Link to comment Share on other sites More sharing options...
Carl Posted August 5, 2016 Share Posted August 5, 2016 Definitely not Halysites but I see the resemblance. I'd go with sponge or bryozoan. Link to comment Share on other sites More sharing options...
dolphion70 Posted August 7, 2016 Author Share Posted August 7, 2016 (edited) I try to summarize: it could be a fossil (more likely) or a sponge or a coral. it's correct? Edited August 7, 2016 by dolphion70 Link to comment Share on other sites More sharing options...
abyssunder Posted August 7, 2016 Share Posted August 7, 2016 (edited) In my opinion it is a pebble with borings, probably Trypanites. In the cyclostome bryozoan theory they should be on the surface, encrusting the hardground, which I don't see in your pictures. Here is an interesting link (I think) showing the difference between these two : http://drydredgers.org/fieldtrips/trip201405p1.htmAlso, the resemblance with Jessica Winder's specimen (post #3) looks very good, to me. Edited August 8, 2016 by abyssunder 1 " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
markhero Posted January 17, 2017 Share Posted January 17, 2017 Hello from Greece! In my opinion this is a pebble with borings from lithophaga or similar. They are very common in all Aegean sea beaches throughout Greece. 1 Link to comment Share on other sites More sharing options...
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