lulu105 Posted February 3, 2021 Share Posted February 3, 2021 (edited) Last summer I've went south alps of france (drôme) in an area probably dating from end of jurrasic I found 2 unknown fossils Can somebody help me? 1st one: 2nd: Edited February 3, 2021 by lulu105 Link to comment Share on other sites More sharing options...
DinoFossilsUK Posted February 3, 2021 Share Posted February 3, 2021 I don't know much about the area, but other fossils I've seen from Drome (such as ammonites) have been lower cretaceous. The first piece looks like a large shell of some sort, but I don't see any signs of a fossil in the second photo. Link to comment Share on other sites More sharing options...
Thomas.Dodson Posted February 3, 2021 Share Posted February 3, 2021 The first piece looks like a section of an ammonite. I don't see a fossil in the second piece. Link to comment Share on other sites More sharing options...
IsaacTheFossilMan Posted February 3, 2021 Share Posted February 3, 2021 Sadly, the second one might be a case of pareidolia, however, the 1st one I believe to be a section of Ammonoidea, if I'm not mistaken... Nice find! ~ Isaac; www.isaactfm.com "Don't move! He can't see us if we don't move!" - Alan Grant Come to the spring that is The Fossil Forum, where the stream of warmth and knowledge never runs dry. Link to comment Share on other sites More sharing options...
fossilcrazee Posted February 3, 2021 Share Posted February 3, 2021 Agree the first is a section of ammonite. In the second, the doughnut shaped item between 20-22 cm on the rule could possibly be an inverted crinoid holdfast but it is difficult to judge if there is depth to the edges, which would increase confidence. Link to comment Share on other sites More sharing options...
lulu105 Posted February 4, 2021 Author Share Posted February 4, 2021 Hello thanks for your help I can understand your point of view regarding the first one, but its shape is bit strange. Here some more pictures: and some more pictures from 2nd one: Link to comment Share on other sites More sharing options...
Mahnmut Posted February 4, 2021 Share Posted February 4, 2021 Salut and welcome to the forum! I see what you mean about the first one, not your textbook ammonite. My first thought was deformed ammonite. Maybe it is a highly eroded piece that contains only the septa, the walls dividing the chambers standing out as ridges, but no trace of the outer shell. The second one may be a trace of some fossil, (or fossil of a trace), but it is hard to tell with so little detail. Best Regards, J Try to learn something about everything and everything about something Thomas Henry Huxley Link to comment Share on other sites More sharing options...
lulu105 Posted February 4, 2021 Author Share Posted February 4, 2021 hallo I believe you're right regarding first one :/ and 2nd one, probably...nothing :/ :/ Link to comment Share on other sites More sharing options...
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