JBMugu Posted July 16, 2018 Share Posted July 16, 2018 I have been going through some of piles of bones in my yard and I came across this piece which I didnt find too interesting untill I cleaned off the end and found it to be partially hollow. The hollow part goes about 1/2 the way down and tapers to a point. Anybody have any ideas? I have got guesses from partial tusk to large fish spine. Thanks Jesse Link to comment Share on other sites More sharing options...
Troodon Posted July 16, 2018 Share Posted July 16, 2018 Dorsal spine of a Heterodontus sp shark 4 Link to comment Share on other sites More sharing options...
ynot Posted July 17, 2018 Share Posted July 17, 2018 I agree with troodon. 1 Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
siteseer Posted July 17, 2018 Share Posted July 17, 2018 I agree as well. There's one on each of the dorsal fins in the living animal. Those are very rare as fossils wherever the teeth are found. Jess 2 Link to comment Share on other sites More sharing options...
Gizmo Posted July 17, 2018 Share Posted July 17, 2018 Very nice! Link to comment Share on other sites More sharing options...
JBMugu Posted July 17, 2018 Author Share Posted July 17, 2018 Another great ID, Thanks! Link to comment Share on other sites More sharing options...
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