val horn Posted July 27, 2022 Share Posted July 27, 2022 (edited) Help will be greatly appreciated in understanding this bone that I found. It looked like a large piece of turtle shell when I found it. Like most at this site it is poorly preserved and broke in to several pieces as I went to pick it up. I thought it was turtle plastron (common in the area) until I washed it and saw significant texture. Now I dont know what it is at all. Too much texture for turtle, too little for croc. Any help to identify what it is, (or even what it isnt) will be well received. Edited July 27, 2022 by val horn Link to comment Share on other sites More sharing options...
Haravex Posted July 27, 2022 Share Posted July 27, 2022 It looks to be some sort of mineral I'm not seeing any evidence of a fossil here. Just for education purposes however crocodiles have gotten very small in the past, take Koumpiodontosuchus I've found a few teeth which are the same size as lepidotes and the holotype skull was smaller than my hand. 1 Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted July 27, 2022 Share Posted July 27, 2022 I agree... This looks mineral to me... '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...
val horn Posted July 27, 2022 Author Share Posted July 27, 2022 Thank you for looking Link to comment Share on other sites More sharing options...
Slow Walker Posted July 28, 2022 Share Posted July 28, 2022 Looking at the broken edges is good indication. 1 Link to comment Share on other sites More sharing options...
val horn Posted July 29, 2022 Author Share Posted July 29, 2022 I believe it to be bone because it matches the look of other bone from this site. Almost everything from the site has ?calcite? crystals across exposed surfaces and is extremely fragile when wet but. To illustrate the material I am posting a turtle plastron, mosasaur tooth external and internal surface, crow shark teeth and fish jaw. Even if you agree that what i showed it is bone I am not sure that it is identifiable, I was thinking of a something like the distal portion of a mosasaur mandible but hoped that it it might match sombody's visual image.is hard. Link to comment Share on other sites More sharing options...
val horn Posted July 29, 2022 Author Share Posted July 29, 2022 A couple more pieces of turtle and a croc scute from this same site (hopefully in better focus). Link to comment Share on other sites More sharing options...
Brandy Cole Posted July 29, 2022 Share Posted July 29, 2022 I think clear pictures of the broken edges would help settle the bone question and then people could focus more on the shape. 1 1 Link to comment Share on other sites More sharing options...
val horn Posted July 29, 2022 Author Share Posted July 29, 2022 ok, photo of magnified fracture line Link to comment Share on other sites More sharing options...
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