laiosx Posted November 12, 2019 Share Posted November 12, 2019 Theese are from Evia island Greece an Upper Miocene site with fossils. Any idea what can be the oblong ones ? The cones are freshwater gastropods that can be seen. there is also round and some arced ones. Some have hole in the centre some not . The size also varies a lot from 1 cm to 10 cm Link to comment Share on other sites More sharing options...
Rockwood Posted November 12, 2019 Share Posted November 12, 2019 @Carl and @GeschWhat should have a look at these. Link to comment Share on other sites More sharing options...
Carl Posted November 13, 2019 Share Posted November 13, 2019 I guess some of the non-conical ones could be coprolites but I'd need to see more detail to be more confident. The high-spired gastropods that are encrusted could be covered in fresh-water algae and so it's possible, too, that the non conical ones are other things similarly coated. 2 Link to comment Share on other sites More sharing options...
Rockwood Posted November 13, 2019 Share Posted November 13, 2019 52 minutes ago, Carl said: similarly coated As an indicator the presence of the coating seems to have the potential to be a double edged sword for and against them being coprolites ? 1 Link to comment Share on other sites More sharing options...
fifbrindacier Posted November 13, 2019 Share Posted November 13, 2019 There exist a permanent post from @GeschWhat for this, you'll find it on the top of the fossil identification forum and you can clic on the window below to go directly to it : 1 "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...
laiosx Posted November 13, 2019 Author Share Posted November 13, 2019 (edited) Thanks for the response , I add some more photos cross section polished and not . The hole in the centre is usual feature but not always. Homocentric cycles also in many speciments , some resemble even stalactites. There are also round ones , somes seem to be hollow like small geodes.Texture is usual grainy but not always Edited November 13, 2019 by laiosx Link to comment Share on other sites More sharing options...
Carl Posted November 13, 2019 Share Posted November 13, 2019 Definitely thinking not coprolite for the ones with that layered cross-section. 1 Link to comment Share on other sites More sharing options...
Coco Posted November 13, 2019 Share Posted November 13, 2019 Hi, These ones look like recent land snails on limestone : Pomatias elegans. Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
laiosx Posted November 14, 2019 Author Share Posted November 14, 2019 6 hours ago, Coco said: Hi, These ones look like recent land snails on limestone : Pomatias elegans. Coco Thanks for the id , of the snail . Didn't know that species , and was wondering if it was a freshwater species Link to comment Share on other sites More sharing options...
laiosx Posted November 14, 2019 Author Share Posted November 14, 2019 10 hours ago, laiosx said: Thanks for the response , I add some more photos cross section polished and not . The hole in the centre is usual feature but not always. Homocentric cycles also in many speciments , some resemble even stalactites. There are also round ones , somes seem to be hollow like small geodes.Texture is usual grainy but not always any other sugestion except coprolite ? plant material fossil , non biological formations ? Link to comment Share on other sites More sharing options...
westcoast Posted November 14, 2019 Share Posted November 14, 2019 Oncoids? Link to comment Share on other sites More sharing options...
Rockwood Posted November 14, 2019 Share Posted November 14, 2019 3 hours ago, westcoast said: Oncoids? Seems to explain the structure being more complex than the average travertine or tufa. Link to comment Share on other sites More sharing options...
laiosx Posted November 14, 2019 Author Share Posted November 14, 2019 5 hours ago, westcoast said: Oncoids? Maybe , I think I saw that somewhere , thanks for the sugestion Link to comment Share on other sites More sharing options...
Carl Posted November 14, 2019 Share Posted November 14, 2019 I agree that oncoids are a strong possibility. Link to comment Share on other sites More sharing options...
laiosx Posted November 14, 2019 Author Share Posted November 14, 2019 (edited) A cross - section of the snail "nodules" shows the layered feature Edited November 14, 2019 by laiosx 4 Link to comment Share on other sites More sharing options...
Carl Posted November 14, 2019 Share Posted November 14, 2019 AMAZING!! Link to comment Share on other sites More sharing options...
Plax Posted November 14, 2019 Share Posted November 14, 2019 last pic reminds me of pagurized gastropods. Link to comment Share on other sites More sharing options...
Rockwood Posted November 14, 2019 Share Posted November 14, 2019 Hey @Carl, 'spose oncoids grow on poop ? Link to comment Share on other sites More sharing options...
Carl Posted November 15, 2019 Share Posted November 15, 2019 21 hours ago, Rockwood said: Hey @Carl, 'spose oncoids grow on poop ? Certainly possible. Just don't know enough about their habits and "tastes." 1 Link to comment Share on other sites More sharing options...
laiosx Posted November 15, 2019 Author Share Posted November 15, 2019 The core size should be quite small if that's the case . Perhaps about the size of a snail poop (??) Link to comment Share on other sites More sharing options...
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