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Showing results for tags 'stony island'.
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Hi, interested to hear some thoughts on this fossil found in Chicago. It was chiseled out of a large boulder containing Silurian reef material; rugose corals, gastropods, bryozoans, crinoids, etc... I'm guessing it is a form of stromapotoroids, but I'm not sure. Any ideas? Measures 2.5"
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Hello, I would appreciate any help/ideas identifying this specimen I found in the old Stony Island Quarry outcrops in Chicago. It measures 3 inches, found loose in a pile amongst other fossiliferous rocks of Silurian age. My guess is it's a conglomeration of reef material, however the stems (if that is what they are) appear to be cut in half lengthwise. Thanks for looking. front view: Back view:
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