New Members Posilutely Posted yesterday at 08:17 AM New Members Share Posted yesterday at 08:17 AM (edited) Hi, my 7 year old son found this on the beach at Compton Bay, Isle of Wight, UK. The beach is known for fossils and he's convinced it's a tooth of some kind. My husband thinks it's a stone tool and I think it's probably a rock. Any ideas? Fortunately we had a very appropriate ruler for scale! Please forgive the stained sofa (holiday cottage). We did find an actual fossil too, of a sea urchin, which was exciting but managed to identify that one through Google Lens. Apologies if I am wasting anyone's time. *Edited to read stone TOOL rather than stone STOOL - awkward error! Edited yesterday at 08:20 AM by Posilutely Link to comment Share on other sites More sharing options...
Coco Posted yesterday at 08:22 AM Share Posted yesterday at 08:22 AM There is no enamel or bilateral symmetry, it is not a tooth. However, can we see your sea urchin ? Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Paréidolie : [url=https://www.thefossilforum.com/topic/144611-pareidolia-explanations-and-examples/#comment-1520032]here[/url] 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...
New Members Posilutely Posted yesterday at 08:27 AM Author New Members Share Posted yesterday at 08:27 AM Hi Coco, yes of course. Here it is. Via Google Lens and a bit of internet research, I think it's temnocidaris sceptrifera but I'm really happy to be corrected as fossils are 100% not our area of expertise! I'd love to know how old it is roughly too. We found it yesterday on the same beach. Apologies that the photo doesn't meet the forum's image guidelines of plain background etc, I wasn't planning on posting it. 1 Link to comment Share on other sites More sharing options...
Coco Posted yesterday at 08:34 AM Share Posted yesterday at 08:34 AM OK, this is the print of a regular sea urchin tuber, but with so few elements it will be difficult to say more, except that it belongs probably to a cidarid. Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Paréidolie : [url=https://www.thefossilforum.com/topic/144611-pareidolia-explanations-and-examples/#comment-1520032]here[/url] 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...
New Members Posilutely Posted yesterday at 08:38 AM Author New Members Share Posted yesterday at 08:38 AM Thank-you, that's really helpful. I thought it was that specific one because of this really close photo match that came up on Google but just happy to know it's a sea urchin and a fossil generally! Link to comment Share on other sites More sharing options...
Coco Posted yesterday at 08:42 AM Share Posted yesterday at 08:42 AM All regular sea urchins (many different species) have tubers, larger or smaller, pierced or not, crenellated or not, tight or not, much or little, but the tubers are not the only distinguishing elements to identify a species. We also need ambulacra, interamulacrair plates, gonopores etc... I would not risk any name with so little information. Coco 1 ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Paréidolie : [url=https://www.thefossilforum.com/topic/144611-pareidolia-explanations-and-examples/#comment-1520032]here[/url] 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...
New Members Posilutely Posted yesterday at 08:44 AM Author New Members Share Posted yesterday at 08:44 AM Thanks so much for your help on both. Do you know vaguely how old the fossil might be? I mean very vaguely... like 10,000 years or 1million or something? Link to comment Share on other sites More sharing options...
Coco Posted yesterday at 08:47 AM Share Posted yesterday at 08:47 AM No, because I don’t know the geology of your island, but others will certainly intervene. That said, you are right, the age of the sediments where they were found is important for making good determinations. Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Paréidolie : [url=https://www.thefossilforum.com/topic/144611-pareidolia-explanations-and-examples/#comment-1520032]here[/url] 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...
New Members Posilutely Posted yesterday at 08:51 AM Author New Members Share Posted yesterday at 08:51 AM Merci pour ton temps, mon ami(e). Link to comment Share on other sites More sharing options...
Coco Posted yesterday at 08:53 AM Share Posted yesterday at 08:53 AM (e) Coco 1 ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Paréidolie : [url=https://www.thefossilforum.com/topic/144611-pareidolia-explanations-and-examples/#comment-1520032]here[/url] 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...
Fin Lover Posted 11 hours ago Share Posted 11 hours ago Welcome to the forum! You are correct on the first item...just a rock. 1 Fin Lover Link to comment Share on other sites More sharing options...
mighty micraster Posted 2 hours ago Share Posted 2 hours ago Isle of wight has cretaceous chalk through the centre. Maybe the echinoid is from that? Link to comment Share on other sites More sharing options...
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