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Unknown shark teeth


Rayminazzi

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These show up fairly often in the basal pecan gap which has been the focus of my searches recently, nearly all the shark teeth here have the root dissolved so that diagnostic piece is missing but this looks unique enough I'm sure someone has seen something similar, they seem to have a sort of nacre look to the white part so maybe not sharks tooth.

This is the largest I have. Microscope pictures with a phone are shaky at best.

 

PXL_20210308_030526889_compress11.thumb.jpg.77a22b73039ee15d97fbe5ea4ad30e5f.jpgPXL_20210308_031150536_compress60.thumb.jpg.877d0dc9305d1b66c5b88b16ba61a876.jpgPXL_20210308_031227009.MP_compress27.thumb.jpg.426a5a8ceffdcdbc214c0ba628ad0d21.jpgPXL_20210308_031328545.NIGHT_compress50.thumb.jpg.67c8009d7c6ee56b82f82d63ba45948f.jpgPXL_20210308_030946622_compress67.thumb.jpg.f3028bfc0497d06769b5aa92f91edca2.jpg

 

end on

 

PXL_20210308_031651252_compress3.thumb.jpg.4e9d3b6a74fd25d0850dfd720d961aa3.jpgPXL_20210308_031756535.thumb.jpg.3e24403b698c6aa0911dd7d885f9036a.jpg

 

and the back

 

PXL_20210308_032109337_compress51.thumb.jpg.f44870955a5c37aabb9413ee2b643f29.jpgPXL_20210308_032203523_compress89.thumb.jpg.3866c5125e7bba73383b1127c7f5be9e.jpg

 

And a smaller more typical example

 

 PXL_20210308_031536046_compress51.thumb.jpg.4e6de644934e9fd209cb4506a99769f5.jpg

 

any help appreciated

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59 minutes ago, siteseer said:

That looks like a pharyngeal tooth of an extinct bony fish called Hadrodus.

Good call

'Those who cannot remember the past are condemned to repeat it.'

George Santayana

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