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Joebiwan3

So this tooth i have was labeled by the seller as an Allosaurus premax tooth. The tooth is still in the matrix and the tip of it has broken off. The tooth measures 15/16 " long and is from the morrison formation ( bone cabin quarry ) in wyoming.

 

Screenshot_20191208-235728_Gallery.thumb.jpg.6a28712ceff97c55793ff03a2410dfde.jpgScreenshot_20191208-235748_Gallery.thumb.jpg.20f7a14759910c6ad4390e1a6f2d740b.jpgScreenshot_20191208-235718_Gallery.thumb.jpg.6ae6814fb27b2edaa8e1f9bc85f67d9f.jpg

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dinosaur man

 has the robustness and the size of a typical Allosaurus tooth so Allosaurus 

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Joebiwan3

@Troodon ill get some better pictures tonight ( no fingers LOL ) and ill get some measurements as well. 

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Pemphix
2 hours ago, Troodon said:

One cannot just look at Jurassic teeth from a photo and make a determination of what genus it is.  Most isolated anterior teeth are very hard to positively assign to a dinosaur without some quantitative analysis and then it may be a guesstimate .  Since your tooth is a partial, missing serrations it more subjective or not possible.   Its size and the presence of interdenticular sulci between the distal denticles suggest it can be an allosauridae or a meglosauridae.  Like to see a photo of the mesial carina like your 2 and 3 photo but a bit more of the labial side, no fingers please :D.  Next need to understand what the density count is of both Carina at least 1 mm wide more if possible.  

:thumbsu:

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Joebiwan3

Ok everyone....heres a few more pics i tried to get a clear one of the labial side. I took some next to a ruler too i hope this helps.20191209_194452.thumb.jpg.bd06e9ed8f3d557b674401b1113aa356.jpg20191209_194434.thumb.jpg.a8a9a4715716742a08066af40466e908.jpg

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Joebiwan3

20191209_195140.jpg

20191209_195239.jpg

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Joebiwan3

20191209_194749.thumb.jpg.fbda9ba34f49f740c862aed7120ce705.jpg20191209_194749.thumb.jpg.fbda9ba34f49f740c862aed7120ce705.jpg

20191209_195055.jpg

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Joebiwan3

20191209_194420.jpg

20191209_194816.jpg

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Joebiwan3

20191209_194420.thumb.jpg.43fa5e0d5045fb1f19c52c43d466e77a.jpg

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Troodon

You will need to provide me a serration count.  

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Runner64
15 minutes ago, Troodon said:

You will need to provide me a serration count.  

When I zoom in on photos, I count ~3/mm

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Joebiwan3

@Troodon do u need a count of the visible serrations on the anterior and posterior as well?

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Troodon

Yes both edged at least 1 to 2 mm wide has close to the center of the carina

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Joebiwan3

Ok so am i counting each individual denticle? The anterior doesnt have that many. Most are worn or chipped off.....

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Troodon

No you need to count the number of denticles in and area 1 to 2 mm wide preferably in the mid section of the tooth.

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Joebiwan3

@Troodon i see 3 denticles per mm on the posterior....6 for every 2 mm....the anterior was about the same although it was hard to see because there arent many serrations left in tact....they looked to be about 3 per mm.

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Troodon

Good exercise for you :D.   With photos and count good probability its Allosaurus 

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Joebiwan3

@Troodon yah def a good exercise....im gonna start posting my raptor teeth soon. Ill list measurements for them when i do and we can see what we think they could be if raptor at all....

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Joebiwan3

So what label would u put on this tooth then?

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Troodon

Allosaurus sp.

 

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