What kind of shark tooth is this?

Question

these are the pics of them (front and back)

-http://i160.photobucket.com/albums/t187/xlissa101/Photo763.jpg

and

-http://i160.photobucket.com/albums/t187/xlissa101/Photo764.jpg

thanks!

Answer 1

that's not a tooth... but a broken bone...

small mammalian scalpula by the looks of it

Answer 2

nurse shark

Answer 3

I have no idea. Possibly, Snaggletooth shark, Sandtiger Shark, Mako?

http://www.elasmo-research.org/education...

http://mysite.verizon.net/browniebeach/s...

http://www.megalodonteeth.com/shop/miscc...

http://www.tellmewhereonearth.com/Web%20...

http://www.tellmewhereonearth.com/Web%20...

http://www.buriedtreasurefossils.com/mod...

Answer 4

Somewhere down the back by the look of it.

Answer 5

I believe that it is a shell fragment.