Dino Dad 81 Posted July 27 Share Posted July 27 (edited) Hi all, Any thoughts on what this chunk might come from? It was found in the Lance formation in Weston, WY. Thanks! Edited July 27 by Dino Dad 81 Link to post Share on other sites
Danielb Posted July 28 Share Posted July 28 It looks like bone. It could be a root to one but not sure. Wait till others respond Link to post Share on other sites
Troodon Posted July 28 Share Posted July 28 No idea what you have. Really does not look like what I would expect from a root. Is it a jaw? Link to post Share on other sites
digit Posted July 28 Share Posted July 28 Could it be a sediment infill of a dental alveolus? Cheers. -Ken Link to post Share on other sites
Dino Dad 81 Posted July 28 Author Share Posted July 28 One other thought that comes to mind after trying to get better pics. Might be more farfetched that sediment infill...no clue.. Does this texture suggest nodosaurid? This is a massive speculation, but could this possibly be the crown of a tooth lodged in bone? It seems awfully cylindrical for a crown, but it does taper. The unevenness of the bone wrapped around it obscures this tapering. Regardless, it's awfully cylindrical, which might mean only a premax could possibly make the shape more plausible? But, regardless of whether it's a jaw section or a puncture scenario, we'd expect to see signs of other teeth. Here's the best I can do to show any sign of repeating pattern: I'm happy to work on better pictures if there's anything you'd like to see differently! Thanks! Link to post Share on other sites
Dino Dad 81 Posted July 28 Author Share Posted July 28 From a very good resource: I've seen very similar things in the Jurassic. I.e. crystalline cores that filled the hollow root of a tooth as it was growing/forming. Sometimes in the Morrison, it's beautiful crystalline calcite filling in the root core. 1 Link to post Share on other sites
Dino Dad 81 Posted July 29 Author Share Posted July 29 If so, then it must be a strange cut of jaw where only 4 and 5 below show the tooth spacing. Any idea family it might have come from? Link to post Share on other sites
jpc Posted July 29 Share Posted July 29 I think this is a fragment, heavily worn, of a ceratopsian frill. The 'tooth' being a filled in canal in the bone. 1 Link to post Share on other sites
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