fgiarro Posted January 31, 2015 Share Posted January 31, 2015 I bought this bone many years ago from a seller expert on minerals but not on fossils (he didn't know anything about it)- The only information written on its label is about the geol. formation (Hell Creek Formation, Montana)- Have anyone some ideas about it? It's long roughly 9 3/4" - Thanks in advance Link to comment Share on other sites More sharing options...
Troodon Posted February 1, 2015 Share Posted February 1, 2015 Looks like a neural spine off of a dorsal vertebra. Could be from a ceratopsian like triceratops. 1 Link to comment Share on other sites More sharing options...
jpc Posted February 1, 2015 Share Posted February 1, 2015 (edited) Yes, neural spine. I was going to say hadrosaur, but it can be tough to tell. I think it is too thin to be a ceratopsian. It is NOT T rex. Edited February 1, 2015 by jpc 1 Link to comment Share on other sites More sharing options...
fgiarro Posted February 1, 2015 Author Share Posted February 1, 2015 Just for further info, the bone is 2" large- Thanks for answers, Fabio Link to comment Share on other sites More sharing options...
Troodon Posted February 1, 2015 Share Posted February 1, 2015 Hi Fabio that 2" is width or thickness? Link to comment Share on other sites More sharing options...
fgiarro Posted February 1, 2015 Author Share Posted February 1, 2015 Hello Troodon- 2" is width, thickness is roughly 0,95" (in the center, more in the distal parts of the bone)- Ciao, Fabio Link to comment Share on other sites More sharing options...
jpc Posted February 1, 2015 Share Posted February 1, 2015 I'm staying with hadrosaur Link to comment Share on other sites More sharing options...
Troodon Posted February 1, 2015 Share Posted February 1, 2015 The thickness and rugose sides are more typical of the ceratopsian verts in my collection. My hadro vert spines are smooth and thinner. Without seeing it first hand it could be either but I'll stay with Ceratopsian. Its a herbivore. 1 Link to comment Share on other sites More sharing options...
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