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Kurufossils

Hi everyone, I was recently offered this Giganotosaurus tooth. I was wondering if there was a way to distinguish it from carcharodontosaurus teeth from the kem kem beds? Or if anyone can share there opinion on this one, thank you.

20210119_124128.jpg

20210119_124151.jpg

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Praefectus

This is a Carcharodontosaurid tooth from the Kem Kem basin. Not Giga. Giga teeth are exceptionally rare. 

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Preservation/matrix and repairs looks like KK 

 

Just curious has the seller provided you a provenance on the tooth, none seen on the label...red flag but it easily gotten on the web

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Looks like a Carchardontosaurid from the Kem Kem. Much better provenance is needed to validate the rarity and value of this tooth.

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Kurufossils

I agree the first thing I noticed was the preservation and sand which was very kem kem, its very hard to compare to any Argentina teeth I can find.

 

Unfortunately there was no specific provenance as far as location/formation.

 

Thank you very much for your help!

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25 minutes ago, Kurufossils said:

I agree the first thing I noticed was the preservation and sand which was very kem kem, its very hard to compare to any Argentina teeth I can find.

 

Unfortunately there was no specific provenance as far as location/formation.

 

Thank you very much for your help!

The preservation isn’t entirely off. However, the killer is the lack of provenance on what would be an extremely rare and valuable tooth.

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A couple of images of known Giganto teeth

 

From a C. Hendrickx paper.  

Screenshot_20210119-113653_Drive.jpg.e5faf99d7654872aeabdfe7bfbcfee68.jpg

 

From Holotype

60072a66b37f7_Dientes_fsiles_de_Giganotosaurus_en_el_museo_de_El_Chocn.thumb.jpeg.79f1fb5c8106ffcb43be83795f862d6d.jpeg

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Kurufossils

Thank you for the holotype image it is interesting to see the visual look of these teeth but especially nice to see the formation name there as well.

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One more from C. Hendrickx.  

Screenshot_20210119-141924_Gallery.jpg.8576b981aa8144fd1587d6cc603ea7c8.jpg

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A little more similar but it lacks the KK matrix patches and matrix.  Color is not KK.

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Unfortunately, Gigantosaurus teeth are so rare that the only way you can be sure of one is if the 3 factors below happen:

 

1) The tooth doesn't have obvious sand or color from Kem Kem Beds

 

2) The tooth comes with specific locality details

 

3) It comes from a very reliable source

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