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Anterior Carch?


Dino Dad 81

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Hi all,

 

This tooth is from Tegana fm, Kem Kem. I'm thinking it's a morph 10. The mesial carina seems to extend to the base, although it really thins out and gets dense (so I don't think it's a premax). Any input is appreciated.

  • CH: 35mm
  • CBL: 16mm
  • CBW: 10mm
  • Mesial serration density: 2.2/mm
  • Distal serration density: 2.0/mm

 

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First the Tegana Formation does not exist and never has existed.  I would caution anyone seeing this used and question the sources knowledge of material from these deposits.  Old problem not a new one.  

 

This does appear to be an anterior tooth.   Unfortunately we have very little comparative material from Niger or Morocco which makes identification very difficult, nothing new.   Hendrickx identified a Carcharodontosaurid premaxillary tooth for us and like you said its not that.  There are no obvious features that point me to a Carch. other than the interdenticular sulci.   I hesitate to say Carch. simply because of the amount of recurve of distal side, these teeth typically lack much curvature.  It also does not compare well with other anterior teeth in my collection see photos.

Very nice tooth to have in any collection but like most teeth from the KKG its an indeterminate Theropod.   Which is cool since it's most likely something different.

 

What I believe are anterior Carcharodontosaurid teeth.  Note the lack of distal curvature.

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