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Is this Mosasaur jaw a composite?


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Hi everyone!

 

I'm hoping for a second opinion on this Mosasaur jaw. The parts look real to me, my question is did they all come from the same jaw. The jaw is 65 cm, so a pretty decent size.

 

What do you all think? is it a composite?

 

Any insight is appreciated as always!

jaw4.thumb.jpg.072f7b04254c725d7e94179676c18445.jpg

jaw1.thumb.jpg.3bc61cad77b7e1eebfa0184f73ed9310.jpgjaw5.thumb.jpg.618122f377fe066647146e75cda1a2f7.jpgjaw6.thumb.jpg.936a83f6d8289a3679c0cbc68d77a37a.jpgjaw2.thumb.jpg.a1a2d6e8ceb76722d24778f53a930d58.jpg

jaw 3.jpg

Edited by jikohr
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Looks like a composite to me most of the teeth are mounted on the jaw I would stay away. :shakehead:

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Cheers!

James

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Im with James this time. The teeth are likely real, but the jaw look pretty like a composite

Edited by Alvrr.0
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8 hours ago, trilobites_are_awesome said:

Looks like a composite to me most of the teeth are mounted on the jaw I would stay away. :shakehead:

 

5 hours ago, Alvrr.0 said:

Im with James this time. The teeth are likely real, but the jaw look pretty like a composite

 

Yeah, that figures. Thanks guys!

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image.thumb.png.caa16adbb5044a96f176b3f5c0ae8dd4.png

image.png.fba0261626c315a295d16e8dbd2e344e.png

 

The jaw itself doesn't look bad in my opinion, it's anatomically correct I think as you can see the dentary and the splenial. I think some tooth might be original, but would need closer and clear pictures to confirm. But not a horrible composited jaw as the ones you normally see. But yes I think at least half of the teeth might not be original to the jaw.

 

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It looks like the very tip of the snout may come from a different specimen, due to its abnormal colouration.

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47 minutes ago, Psittacosaur9 said:

It looks like the very tip of the snout may come from a different specimen, due to its abnormal colouration.

Could be but take in mind that the coloration seen in phosphates fossils comes from the white glue mix that use as consolidant not the fossil, without it it would be pure white. So it totally could be that they consolidated the tip harder and the breakage seems pretty natural to me.

 

image.png.d689fd3093a2ed22c98971c781b6526d.png

 

Here is an image from the thalassotitan atrox paper where the difference between a consolidated one the typical phosphates way and a clear one.

 

image.thumb.png.da315fc21a372289a0f1b5766225c7ba.png

Edited by LordWampa
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