Looks like bone, Florida treasure Beach

[FloridaSon]

Pretty light, porous like bone and could be worn or broken.

 

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[Older The Better]

Looks like the bottom of a femur the plate has separated from the rest of the long bone

 

[Older The Better]

Some pics to clarify

 

[FloridaSon]

Good find. Looks very much like what I found. Big dog then. Thx

 

[A2coins]

The 2nd picture if you turn it 90 degrees looks exactly like a ninja turtle.Sorry but it does.

 

[Madmox]

Good find. Looks very much like what I found. Big dog then. Thx

I’m thinking that is much larger than a dog bone.

 

[FloridaSon]

The 2nd picture if you turn it 90 degrees looks exactly like a ninja turtle.Sorry but it does.

haha, you're right, it does.