TyrannosaurusRex Posted November 30, 2021 Share Posted November 30, 2021 I recently collected about 300 pounds of matrix from the Post Oak creek in Sherman Texas, and I’ve since been searching through it when I get the opportunity to. I’ve found quite a few vertebrae, all from fish, but I found one last night that has me scratching my head. It has some matrix that has solidified and will need to be removed, but I thought I could post it beforehand in case anyone had any thoughts regarding the identification! 1 Link to comment Share on other sites More sharing options...
Lone Hunter Posted November 30, 2021 Share Posted November 30, 2021 300 lbs ?? Geez hope you left some for the rest of us. How recent ? Wondering what the creek level is now. Link to comment Share on other sites More sharing options...
fossil_lover_2277 Posted November 30, 2021 Share Posted November 30, 2021 I’m not an expert on the Texas area, but Post Oak Creek is Cretaceous if I recall right? That bone, if a vert, is def not fish or turtle or croc as far as I can tell. At least based on the ones I’ve collected and have seen online. Maybe a worn down mosasaur? Link to comment Share on other sites More sharing options...
JohnJ Posted November 30, 2021 Share Posted November 30, 2021 Looks like a matrix filled fish vertebra to me. 1 4 The human mind has the ability to believe anything is true. - JJ Link to comment Share on other sites More sharing options...
fossil_lover_2277 Posted November 30, 2021 Share Posted November 30, 2021 (edited) 11 minutes ago, JohnJ said: Looks like a matrix filled fish vertebra to me. That definitely looks accurate, my input is mistaken. I didn’t see the deep concavity on the ends so assumed it couldn’t be fish. But looking closer it does look like matrix there. Edited November 30, 2021 by fossil_lover_2277 Link to comment Share on other sites More sharing options...
caterpillar Posted November 30, 2021 Share Posted November 30, 2021 +1 for fish http://www.paleotheque.fr Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted November 30, 2021 Share Posted November 30, 2021 Yup, fish from me too. It has the infilled concavities along the sides and lacks the procoelous configuration of mosasaur vertebrae... '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...
TyrannosaurusRex Posted November 30, 2021 Author Share Posted November 30, 2021 (edited) 9 hours ago, Lone Hunter said: 300 lbs ?? Geez hope you left some for the rest of us. How recent ? Wondering what the creek level is now. It’s much higher than I had seen it in the past, and the water was running clearer. There was also much less debris in the creek than I’d seen previously. edit: I got that much matrix because it was a long haul for me out there, and as a full time student I can’t go fossil hunting so I make do with matrix! Thank you all for the ID! I’ve pulled quite a few fish vertebra from the creek and this one just stood out quite a lot from the rest. I really appreciate it! Edited November 30, 2021 by TyrannosaurusRex 1 Link to comment Share on other sites More sharing options...
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