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Part Of A Jawbone?


racmad843

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This piece has a smooth channel down the center and grooves on one side it appears where teeth once rested.

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Edited by racmad843
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Nice find. Where did you find this? It certainly resembles part of a hadrosuar jaw.

A fossil hunter needs sharp eyes and a keen search image, a mental template that subconsciously evaluates everything he sees in his search for telltale clues. -Richard E. Leakey

http://prehistoricalberta.lefora.com

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Found this in the Cooper River in SC in the mid 90's. I just located my stash while spring cleaning....will be posting more pics. Thanks for your help.

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Looks like a fragment of a capybara jaw, Neochoerus.

The plural of "anecdote" is not "evidence".

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Rich - you know your Pleistocene mammals better than me, but could it be a giant beaver mandible?

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I did find a photo of a beaver jaw on the internet. This piece does resemble the lower jaw where the lower tooth comes out of the jaw. I am checking on the other possibilities as well. Thank all of you for your help.

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Wrong size - too massive in the area between the incisor and the cheek teeth, for giant beaver, and the alveolus of the incisor isn't grooved. The cheek teeth of the regular beaver don't have as many grooves, so close together as shown in the alveolus - it's capybara, I'm pretty sure.

capy

Edited by RichW9090
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The plural of "anecdote" is not "evidence".

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Thanks Rich. I can see the part you are talking about....you know your stuff. I highlighted the area on this stock photo where this fossil piece may have come from.

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Yep, yep - that's it.

PS, check the tooth you posted in another thread, and see if it fits in the incisor alveolus.

Edited by RichW9090

The plural of "anecdote" is not "evidence".

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Great job Rich. You rejoined two fossils mixed up in a box since the mid 90s. They are now back together. Thanks a bunch for your identification and sleuthing.

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Hi,

:goodjob:

Coco

----------------------
OUTIL POUR MESURER VOS FOSSILES : ici

Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici
Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici
Mâchoires sélaciennes récentes : ici
Hétérodontiques et sélaciens : ici
Oeufs sélaciens récents : ici
Otolithes de poissons récents ! ici

Un Greg...

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