Found in Gulf of Mexico on beach

[mcannon24]

looks like piece of a metal button or coin
But so curious to know if anyone can identify it!! Thanks in advance!

 

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[Marino13]

I'm going with basking shark or whale tooth.

 

[Marino13]

I'm going with basking shark or whale tooth.

Nope not a basking, looks kind of like a ptychodus tooth

 

[Marino13]

Nope not a basking, looks kind of like a ptychodus tooth

Is it metal? I should have asked that first. 🤣

 

[mcannon24]

Is it metal? I should have asked that first. 🤣

It feels like metal and has ridges around the edges that made me think some kind of coin or button. It makes a metallic clink when it hits other metal but it feels very smooth!

 

[Marino13]

It feels like metal and has ridges around the edges that made me think some kind of coin or button. It makes a metallic clink when it hits other metal but it feels very smooth!

Some sharks and rays have ridged flat teeth for grinding mollusks and such. If it's metal then my theory is wrong.