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Cordaicarpus seeds or fish scales?

Shamalama

By Shamalama
in Fossil ID

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Shamalama Regular Member

Shamalama

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Some more items from the Llwellyn formation at St. Clair that I'm trying to pin the ID down on. I have found oodles of these in some layers at St. Clair and the rounded shape makes me think they are Cordaicarpus seeds. However, there is not enough detail for me to be sure. Someone also suggested then could be fish scales but they have no blue tint (which is from the phosphates found in bones and scales) nor ornamentation.

 

Thoughts?

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-Dave

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Geologists on the whole are inconsistent drivers. When a roadcut presents itself, they tend to lurch and weave. To them, the roadcut is a portal, a fragment of a regional story, a proscenium arch that leads their imaginations into the earth and through the surrounding terrain. - John McPhee

If I'm going to drive safely, I can't do geology. - John McPhee

Check out my Blog for more fossils I've found: http://viewsofthemahantango.blogspot.com/

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Fossildude19 Regular Member

Fossildude19

Posted
Posted

I don't think it is  a scale, Dave. 

No concentric rings are visible, which fish Carboniferous scales usually have.

Also, the carbonaceous look to if leads me to plant matter. 

Wait for some more opinions, though. ;) 

    Tim    -  VETERAN SHALE SPLITTER

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