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Sacha

July 18th Santa Fe river trip fossil ID request

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Sacha

On Monday the 18th I took another rather unproductive trip to the Santa Fe. I came away with a couple giant Armadillo osteoderms, a couple burrfish mouth plates and the item below. You can see it is concave on one face and convex on the other. The convex surface has what may be a bone attachment or it may be a piece of matrix still attached.

post-12135-0-61851900-1469135905_thumb.jpg

post-12135-0-78886100-1469135922_thumb.jpg

I'm leaning toward some kind of fish mouth plate, but an unknown osteoderm is a possibility as well. I don't think the bumps on the surface are well enough defined to be teeth. You can see it's about an inch with and only about 3/16' thick. Pleistocene.

Thanks allot. I appreciate it.

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ynot

No idea, but it looks neat!!

Tony

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Harry Pristis

For comparison:

post-42-0-95601000-1469147410_thumb.jpg

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Sacha

Thanks Harry.

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Khyssa

A fish grinding mill was my first thought as well.

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