need help identifying

[StephanieA1989]

I found something in an oyster and it's a little smaller than a nickle. Very smooth but has lots of bumps. Its white with a few discolored spots. Its pretty big. I can't post a picture but I message it. Please let me know if you can help

 

[Caitlin]

We really need a photo, it is impossible to guess without one.
Go to a friend with a cellphone, then email it back to yourself.