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matt2396

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I was hammering a large chunk of limestone when this popped out. I dug the original rock out of the ground in southern Macon County, IL. From all of the ISGS information that I've read, I know this particular location lies atop the Shelbyville Moraine. I hope that's enough information for everyone.

post-20849-0-34375300-1457217413_thumb.jpgpost-20849-0-70467400-1457217415_thumb.jpgpost-20849-0-52966300-1457217418_thumb.jpg

Thanks,

Matt

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Lookin' like a brachiopod, but that's all I got.

What are its dimensions?

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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Brachiopod for sure and, yes, dimensions would help. Central Illinois has a lot of Mississippian rocks. If this brachiopod is quite large - several inches across - you might want to compare some images of Spirifer grimesi - from the Burlington Formation.

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