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Need Help Iding Barbed Tooth(?) Permian, Waurika, Oklahoma


fossiljim

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Looking through Permian microfossil material from Waurika, Oklahoma - Wellington Formation, I found what appears to be a barbed tooth. I cannot find ID on this specimen on the internet and am asking for help on this one. Thank you

post-8748-0-02262200-1340218831_thumb.jpg

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Are you sure its a tooth, and not the end of a pectoral or cephalic spine?

Grüße,

Daniel A. Wöhr aus Südtexas

"To the motivated go the spoils."

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I really have no idea, so tooth was a guess. I have looked through a fair amount of this material and have found xenacanth, acrodus, and trimerorachis teeth, but never anything barbed like this. You think it could be some kind of spine?

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It looks sort of like a stingray spine of some sort. Then again I'm not an expert on this at all and it is really small. Just throwing my opinion in there.

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Nice find. I too was leaning towards stingray barb but stingrays didn't appear until the early Cretaceous (at least according to Wikipedia!).

Collecting Microfossils - a hobby concerning much about many of the little

paraphrased from Dr. Robert Kesling's book

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I think it's a piece of Xenacanthus spine; the 4th pic down on this LINK is a nice match.

Our member dinodigger worked on this dig :)

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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I think it's a piece of Xenacanthus spine; the 4th pic down on this LINK is a nice match.

Our member dinodigger worked on this dig :)

Thanks. That looks like a perfect match to me. I guess the spines weren't often preserved since this is the first that I have found after finding a lot of teeth and denticles. I have found other spines without barbs, but I guess they are from fish.

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'Twas Al Dente who named the whale; I just went looking for an example. ;)

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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