Pterygotus Posted March 18, 2019 Share Posted March 18, 2019 This is being sold as a bone bed from Lavernock, Wales. It is labelled as possibly dinosaur. It is rhaetic triassic. Could it be dinosaur? Link to comment Share on other sites More sharing options...
Rockwood Posted March 18, 2019 Share Posted March 18, 2019 The age shouldn't be a problem. Identifying it from this photo is going to be though. I'm not sure there is anything diagnostic there. 2 Link to comment Share on other sites More sharing options...
abyssunder Posted March 18, 2019 Share Posted March 18, 2019 The bone measures 79.2 mm / 33 mm. 2 " 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...
fossil_sea_urchin Posted March 19, 2019 Share Posted March 19, 2019 It looks like plesiosaur or ichthyosaur but it's quite thick, I find it unlikely that it's dinosaur. 2 Link to comment Share on other sites More sharing options...
JohnBrewer Posted March 19, 2019 Share Posted March 19, 2019 Maybe ichthyosaur coprolite? Unusual to see it that colour as all the Triassic coprolite (fish) is black from there. I’ve not found icthyosaur coprolite there but it must exist. Coprolite maybe @GeschWhat @Carl? 1 John Map of UK fossil sites Link to comment Share on other sites More sharing options...
Carl Posted March 20, 2019 Share Posted March 20, 2019 19 hours ago, JohnBrewer said: Maybe ichthyosaur coprolite? Unusual to see it that colour as all the Triassic coprolite (fish) is black from there. I’ve not found icthyosaur coprolite there but it must exist. Coprolite maybe @GeschWhat @Carl? The grain definitely supports a bone ID. But I can see how it looks like a spiral coprolite. I think that's just an illusion caused by the parallel, transverse breaks. 3 Link to comment Share on other sites More sharing options...
abyssunder Posted March 20, 2019 Share Posted March 20, 2019 I agree. In that bone bed coprolites are present, but the specimen in question is a bone. Plesiosaur or Ichthyosaur might have a good entrance in this. " 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...
pachy-pleuro-whatnot-odon Posted May 26, 2021 Share Posted May 26, 2021 I agree that the texture and consistency of the fossil are consistent with bone, moreover pachyosteosclerotic bone, thereby implying marine reptile. Based on the width, thickness and overall shape of the bone, I'd say jaw bone, ichthyosaur scapula or plesiosaur ilium are possible candidates: 'There's nothing like millions of years of really frustrating trial and error to give a species moral fibre and, in some cases, backbone' -- Terry Pratchett Link to comment Share on other sites More sharing options...
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