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Small unidentified theropod tooth from Morrison Formation, Wyoming


Sauroniops

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Hello there.

 

I recently received a small theropod tooth from the Morrison Formation, without any ID. Part of the tip is missing/worn out.

 

At its longest dimension, the tooth measures 1,1 cm. The serration count (Both mesial and dermal) are 6-7 serrations per mm, and about 18-19 per 3 mm. 

Anyone who's got a good guess, feel welcome to drop a comment here, cause I have no clue if this is a baby Allosaurus, or a small Marshosaurus, Ornitholestes, Coelurus or something completely different. :)

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18 minutes ago, thelivingdead531 said:

@Troodon will be able to help.

And he probably will want to see a pic with a view of the bottom of the tooth.:D

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Dipleurawhisperer5.jpg          MOTM.png.61350469b02f439fd4d5d77c2c69da85.png   IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png

I like Trilo-butts and I cannot lie.

 

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2 minutes ago, Darktooth said:

And he probably will want to see a pic with a view of the bottom of the tooth.:D

You are definitely right. I should have stated that first. :DOH:

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Just now, thelivingdead531 said:

You are definitely right. I should have stated that first. :DOH:

We will let it slide this time.:P

Dipleurawhisperer5.jpg          MOTM.png.61350469b02f439fd4d5d77c2c69da85.png   IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png

I like Trilo-butts and I cannot lie.

 

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12 minutes ago, Darktooth said:

We will let it slide this time.:P

Thank you, kind sir. Your generosity knows no bounds. :tiphat:

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Looks like a small Allosaurus tooth, from the photos the Distal serrations seem larger then the mesial, even though they have the same count the Distal serrations can still be bigger.  But yet again I’m still learning to ID teeth like this, so @Troodon.  Cool tooth!

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How far down does the carina come on the outside edge?

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1 hour ago, Troodon said:

How far down does the carina come on the outside edge?

The distal carina seems to go all the way. 

The mesial carina however seems to stop right before the little chipped off part of the tooth (As seen on the last picture I sent).

 

So the mesial carina starts a little further down compared to the distal.

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Its definitely not Marshosaurus or a Ceratosaurid.  Given that the serration density is the about the same, its shape, I would lean toward it being an Allosaurid.   

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