Shark or dinosaur teeth?

[Misnomer]

Hi guys I found these in an old pail of rocks my grandpa had, dinosaur or shark teeth? Thanks for your help.

 

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[Kray Gelder]

Hold the phone. The center one. Has it been ground off on the base there? These are not teeth, by the way.

 

[Misnomer]

Hi yes it has been ground down. I’m curious now, what are they?

 

[smokeythecat]

Just rocks, but the one has certainly been ground down.

 

[Kray Gelder]

Hi yes it has been ground down. I’m curious now, what are they?

Can you show a close shot of the ground down one, please. I'm also curious.

 

[Misnomer]

 

[Misnomer]

 

[Misnomer]

 

[Misnomer]

 

[Kray Gelder]

View attachment 1583937

Thanks. I wasn't too clear in my request. Need close up of the ground off part. No detail of that is apparent in your pic.

 

[Charlie P. (NY)]

Bits of flint or chert?