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Strange fossils in Ohio Rock


Yasei

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Hey, I was fossils hunting in Ohio and found some pretty neat stuff, but one Rock in particular had some strange fossils in it, it almost looks like a little trilobite plus some other stuff.

IMG_20181028_064001661.jpg

IMG_20181028_063842048.jpg

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The branching piece in your second post is a bryozoan, and not too far from it is a brachiopod. I'm not seeing any trilobites here, though. :unsure: Perhaps indicate where you see it, as my eyes are a bit blurry in the morning. :D 

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Thanks! :) 

 

I don't think that is a trilobite as it doesn't seem to have the morphologic features of one. 

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22 minutes ago, Kane said:

Thanks! :) 

 

I don't think that is a trilobite as it doesn't seem to have the morphologic features of one. 

Agreed. Perhaps some mineral stain from early diagenesis that became incorporated in the bryozoan fossil ?

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I do see what could be a trilobite piece on the block, though. 

 

IMG_20181028_063842048.jpg.9228a6ab766f54324ef637ffa8ff7353.jpg

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Hmm, I sure I saw other stuff like that on this rock and some others, I'll send pics if I regonize something...

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You have a nice bryozoan with mamelons in the crook of your thumb.

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The edge of something is revealed but not enough for ID. Maybe a close-up photo would show details.

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46 minutes ago, Yasei said:

What Is this noodle thing?

These pictures are clearer. I can imagine it being the edge of a piece of a gastropod, or similarly coiled shell. 

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You might have to be content with the fragmentary nature of the fossils as the deposition pattern seems to point to a high energy environment. I don't think you mentioned where in Ohio you found this, which might help narrow it down to a formation or at least an age with the aid of a geologic bedrock map. I know there are considerable parts of Ohio that are Devonian in age, but not exclusively.

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That would put this piece, in Montgomery Cty,  as being highly probable of being Ordovician in origin (unless it is an erratic from elsewhere, or from a Silurian deposit).

 

Here is a simplified geologic bedrock map of Ohio:

 

rocksofohio.gif

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