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Unidentified shells/clams in northern illinois


ilovethebeatles

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ilovethebeatles

Hi all! Found this fossil in my garden, in northern Illinois. I was also wondering how old it is too. Thanks a ton :) 

2508F7A2-2A30-4CB9-B705-4678EA9D4584.jpeg

A0621F87-BAD1-4D3B-A5A5-8CDBF314627E.jpeg

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Tidgy's Dad

Brachiopod fragments, I think. Maybe Late Ordovician in age. 

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connorp

Probably Platteville Group (Late Ordovician).

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