Silver Fossil?

by Anne Bender
(Milwaukee, WI USA)

I found this on the shore of Lake Michigan. I'm wondering what it is and what the silver inside could be.

Comments for Silver Fossil?

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Lake Michigan Brachiopod
by: Doug

This looks like a brachiopod. My guess on the silver thing is pyrite.

Learn more about brachiopods here:

I have lots of brachiopod types for sale. Yours is not just like any of them bet you can see the characteristics of brachiopods here:

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