Desrosiers1718 Posted May 22, 2023 Share Posted May 22, 2023 I’ve found two of these in a gravel area in my front apartment area I remember buying the bags at a popular hardware store, I was told they are Echinoids, at first I thought they must have been something I collected and threw there but these are not common in my part of California. As far as I know. Any idea what species these are and where they might have originated? I’m tempted to buy another bag. Link to comment Share on other sites More sharing options...
Coco Posted May 22, 2023 Share Posted May 22, 2023 (edited) There are too few left to determine anything other than irregular sea urchin. Maybe the age of the field might help a little. Miocene ? Coco Edited May 22, 2023 by Coco 1 ---------------------- 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...
rocket Posted May 22, 2023 Share Posted May 22, 2023 looks a bit like a spatangoid sea urchin, but without age or locality it would be hard to determine it 1 Link to comment Share on other sites More sharing options...
caterpillar Posted May 22, 2023 Share Posted May 22, 2023 8 hours ago, Desrosiers1718 said: I’m tempted to buy another bag. You must first ask the seller if he knows where the gravel comes from 1 http://www.paleotheque.fr Link to comment Share on other sites More sharing options...
Desrosiers1718 Posted May 22, 2023 Author Share Posted May 22, 2023 Ok thanks everyone. Link to comment Share on other sites More sharing options...
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