Very rare Tyrannosauridae tooth!

[Nichet1122]

This tooth is Tyrannosauridae tooth from china! I think it's Qianzhousaurus or bigger tyrannosaurid(Tarbosaurus or Zhuchengtyrannus). Size 3.1 inches. Very rare and big size.

 

Discovered area : Nanxiong  Formation, Jiangxi Province, China

Edited July 11, 2021 by Nichet1122

[Troodon]

Indeed rare, nice tooth..  Here is some info on large teeth from that locality.   Your denticles are not typical of tyrannosaurids which are chisel shape.  The paper also suggests that Carcharodontosaurids might be present.  Lots of unknowns.

. 

 

http://sciencythoughts.blogspot.com/2015/02/exceptionally-large-theropod-teeth-from.html?m=

[Nichet1122]

51 minutes ago, Troodon said:

Indeed rare, nice tooth..  Here is some info on large teeth from that locality.   Your denticles are not typical of tyrannosaurids which are chisel shape.  The paper also suggests that Carcharodontosaurids might be present.  Lots of unknowns.

. 

 

http://sciencythoughts.blogspot.com/2015/02/exceptionally-large-theropod-teeth-from.html?m=

 

Oh really? I'm surprised it's not tyrannosaurid.

I added tooth serrations. Sorry for not clear photo...

[Nichet1122]

1 hour ago, Troodon said:

Indeed rare, nice tooth..  Here is some info on large teeth from that locality.   Your denticles are not typical of tyrannosaurids which are chisel shape.  The paper also suggests that Carcharodontosaurids might be present.  Lots of unknowns.

. 

 

http://sciencythoughts.blogspot.com/2015/02/exceptionally-large-theropod-teeth-from.html?m=

 

Are carcharodontosauruids lived in Late cretaceous? This tooth age is around 70m~67m years ago.

Edited July 11, 2021 by Nichet1122

[Troodon]

Thanks for the closeup, serrations are not chisel shaped. 

 

On Carcharodontosaurids just passing on what the article said.  But all the teeth in the paper are ID as an indeterminate theropod 

[Nichet1122]

1 hour ago, Troodon said:

Thanks for the closeup, serrations are not chisel shaped. 

 

On Carcharodontosaurids just passing on what the article said.  But all the teeth in the paper are ID as an indeterminate theropod 

 

Hmm it's the only way to fossil preparation and take off the matrix.

[Troodon]

Why would you want to take it off the matrix?  Tooth looks very unstable and the matrix adds provenance 

[Nichet1122]

1 hour ago, Troodon said:

Why would you want to take it off the matrix?  Tooth looks very unstable and the matrix adds provenance 

 

Actually, I want to see other side... 

You don't recommend get rid of matrix?

Edited July 11, 2021 by Nichet1122

[Troodon]

I would not remove it.  Given that the preservation is very poor the matrix provides the support for the tooth and is a marker to aid in identification of locality.   I also doubt it would add much to aid in identification 

[Nichet1122]

14 minutes ago, Troodon said:

I would not remove it.  Given that the preservation is very poor the matrix provides the support for the tooth and is a marker to aid in identification of locality.   I also doubt it would add much to aid in identification 

 

I see. Thanks for applying troodon!