Acorn fossil?

S IL THer

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Nov 29, 2009
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S. Illinois
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It does look like one, I have seen a petrified pecan, it had the shell intact, with a broken spot on one side.

Fossis...............
 

Well I'm not certain but it looks a bit like an algae fruiting body.
This is a pic of a friends, found here in Tx to compare.

See what you think.

I did a search on fossil acorns and only found one pic but
it would not enlarge and way too tiny to really see it.
 

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Like I say, I'm not sure what this is. The lines flowing from the bald cap just seem similar to an acorn. see attached photo..

Thanks for the input!
 

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My totally uneducated unwarrented opinion :wink:: The lines in the first pic are in a pattern that I haven't seen in an acorn, acorns are fairly smooth? And the lines more cosmetic? I'm here to learn, thanks for posting this fossil, it's cute!

naturegirl
 

naturegirl said:
My totally uneducated unwarrented opinion :wink:: The lines in the first pic are in a pattern that I haven't seen in an acorn, acorns are fairly smooth? And the lines more cosmetic? I'm here to learn, thanks for posting this fossil, it's cute!
naturegirl

Good point, 'naturegirl' -- acorn lines are superficial only.

The more I look at this object, the more convinced I am that it is a stream-tumbled solitary coral. Perhaps it is from a stubby horn coral like Heliophyllum or Bethanyphyllum (both Silurian). Lots of Silurian fossils in Indiana and Ohio streams. Not so many in Illinois.
 

Thanks, nice to know what it is, and as the part you said it was tumbled...I found this over 45 years ago when I
was playing in some river rock gravel in a driveway.
 

Harry Pristis said:
My guess is that it is a tumbled solitary coral which originally looked something like this one:



I agree, looks like coral. nice piece to add to a collection.
 

I found mine 4 weeks ago on a beach in Northern Ontario. Very similar except it is not very round and has something stuck on the side of it. No idea what it is.
 

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That is obviously a fossilized squirrel tooth stuck on the side. :tongue3:
 

I know this is an old post but I wanted to add my photo in here since it looks like the same thing only with dark streaks in it, no history since it was purchased in a box of stuff from an estate sale.-

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I have something looks like that, found in Indiana.
 

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