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fossilzz

Silurian fish?

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fossilzz

I found this concretion in what I believe to be Lockport dolostone, which is silurian in age. At first I didn't think much of it but then I noticed the surface has a faint texture of cracked shell. I was wondering if this could be a silurian ostracoderm like Tremataspis? 

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IMG_2125.jpg

IMG_2126.jpg

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fossilzz

IMG_2127.thumb.jpg.82d24967dd34a808b153251c00cd70d6.jpgUnknown.png.ae9a9bf0f504dd6dfe333e84265b774f.png

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jdp

Not totally sure on the ID but I agree there's a fossil there. Can you give us some close-ups of the groove at the bottom right of the first pic?

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fossilzz

Unfortunately this groove might have been cut by file. Originally thinking this could be a stromatolite, I crudely filed the matrix out around the sides, and slightly cut into one side to see if I could see the layers of the stromatolite. I don't believe stromatolites would have a texture of cracked shell though.

IMG_2190.thumb.jpg.2fdd1c23b2c7914ccbbad8b3ca95d61b.jpg

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