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Unusual tooth from Kem Kem. Update number 2: after much discussion i have decided to label it as spinosaurus tooth.


DenverEdge

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Here is another recent addition to my collection I had to get.

On first glance it looked like a spinosaur tooth but I noticed it was laterally compressed, not curved, and no visible serrations, so it has me stumped.

Would like to see if someone could ID this for me as is but if I need to remove some matrix I will do so. It is just shy of an inch in length.

 

31F4299A-BEBB-4A8A-B7E2-FF9799A2A2D6.thumb.jpeg.fa7803318011a3e41a2a8d03a6543079.jpeg06B72177-11F0-4FFA-BFC2-28CC22B2FD79.thumb.jpeg.6d9102925f6be82f4ec3d468aeaa4f0e.jpeg420899A0-1797-4364-91BD-BC52DB37B731.thumb.jpeg.e92ab28bcd82b55ef308de3b031cb978.jpeg

 


 

Edit: Tried to delete the duplicate picture but it doesn’t seem to be working.

Edited by DenverEdge
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That would be cool.

I was trying to find one that had teeth that matched, but there are so many that don’t have described skull material that I started looking for related species with described teeth. Hopefully I find something. Crocodylimorph’s are one of my top  favorite fossils to collect. 

 

I also thought about it being part of a sauropod tooth? I might be way off on that guess but I’m pretty ignorant when it comes to herbivore dinosaur teeth.

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8 hours ago, DenverEdge said:

That would be cool.

I was trying to find one that had teeth that matched, but there are so many that don’t have described skull material that I started looking for related species with described teeth. Hopefully I find something. Crocodylimorph’s are one of my top  favorite fossils to collect. 

 

I also thought about it being part of a sauropod tooth? I might be way off on that guess but I’m pretty ignorant when it comes to herbivore dinosaur teeth.

I'm also very much into collecting fossil crocodilian teeth, and I've not seen this specific type of tooth before. Definitely looks like a crocodilian...

20210928_154057.jpg

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4 hours ago, lesofprimus said:

I'm also very much into collecting fossil crocodilian teeth, and I've not seen this specific type of tooth before. Definitely looks like a crocodilian...

20210928_154057.jpg

Hello I know you are haha Im on the Facebook page too. Glad to see another vote for crocodilian. Should I remove some matrix to get a more solid I’d?

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23 minutes ago, lesofprimus said:

I would, yes....

For now I’ll wait to see if others chime in. For now I’m working on the Judith river pieces, at least until I find something that’s for sure not a pebble. Then I’ll get this one more exposed, then I got four mosasaur jaw sections to work on.

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Like to see the shape of the base, can you remove a bit more of matrix?  Might help in a ID.  Are you sure this is KK not the Maastrichtian phosphate beds?

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41 minutes ago, TyBoy said:

Like to see the shape of the base, can you remove a bit more of matrix?  Might help in a ID.  Are you sure this is KK not the Maastrichtian phosphate beds?

I have a few dozen pieces from the phosphate beds this is completely different. The seller was accurate on everything else he had and it looks right to me. I’ll get some more matrix off the base and probably the tip too.

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5 hours ago, TyBoy said:

Like to see the shape of the base, can you remove a bit more of matrix?  Might help in a ID.  Are you sure this is KK not the Maastrichtian phosphate beds?


I just removed a bit of material. A little fatter that I expected. After exposing more of it I found it is actually just over an inch long. Tired to get as many good shots as I could. Looks even more crocodilian to me now than it did before. Do you guys agree?E047D1C9-7FB8-441F-A478-E59D319E9B6C.thumb.jpeg.6b12453fee1e386daeffb18f0149c2b5.jpeg537F2F4E-C251-4145-9873-6DA05171EDA4.thumb.jpeg.bda4dbad6da8728ef6ebf61cafc1bb53.jpeg0C2C26BB-B0EA-4B63-B7E1-3B7380F3A71E.thumb.jpeg.62d1c1819fbecf09c6b26a11ecae41c9.jpeg0A2F531F-3442-490F-8F50-E6E3335280F9.thumb.jpeg.f89d6a0fbd6b512d879cf52deb89197f.jpegC44CB8CC-DB64-4B63-963E-0C2433D44DDE.thumb.jpeg.d303529ef79c01ab640ab00982aa9857.jpeg654BB0E6-A99A-4A53-9C79-E77345BC483A.thumb.jpeg.dfc50cd11b49b281b8bd67dce7187662.jpeg07459056-81EE-4252-8E15-35A04E036EBD.thumb.jpeg.3cf7fb2cb3a6734298b8441d1fe859de.jpeg9B2C8F30-B8F5-4FFF-9BF5-0BFC6930D813.thumb.jpeg.1cf808e65a53b82670da7cfcc8b78f5e.jpeg

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7 minutes ago, DenverEdge said:

Thanks for the second opinion.

For comparison, here are my Elosuchus cherifiensis teeth...

20211017_220845.jpg

20211017_220853.jpg

20211017_220902.jpg

20211017_220907.jpg

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10 hours ago, lesofprimus said:

For comparison, here are my Elosuchus cherifiensis teeth...

20211017_220845.jpg  20211017_220853.jpg  20211017_220902.jpg  20211017_220907.jpg

Nice collection. You have 3 times as many croc teeth from morocco than I have croc teeth from anywhere. 
 

Here are my other croc teeth from morocco. Once I got it mostly exposed it didn’t look that unusual anymore. I croc teeth are fun there are so many variations in shape and size.

 

first one restored and not very well they put the tip back on crooked.image.thumb.jpg.ccb729e48929be9bc96b8648da3e806b.jpg

 

Second one is one of my favorite croc teeth.

 

image.thumb.jpg.7c419fccdb0193736475ba24d47e27d5.jpg

 

Third one is cool - unerupted in jaw. Nice and pointy still.

 

image.thumb.jpg.bda64021f06c471017e8645db35792a4.jpg

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  • DenverEdge changed the title to Unusual tooth from Kem Kem Update: After removing matrix found to be indeterminate croc tooth
On 10/17/2021 at 4:02 AM, DenverEdge said:

Here is another recent addition to my collection I had to get.

On first glance it looked like a spinosaur tooth but I noticed it was laterally compressed, not curved, and no visible serrations, so it has me stumped.

Would like to see if someone could ID this for me as is but if I need to remove some matrix I will do so. It is just shy of an inch in length.

 

31F4299A-BEBB-4A8A-B7E2-FF9799A2A2D6.thumb.jpeg.fa7803318011a3e41a2a8d03a6543079.jpeg06B72177-11F0-4FFA-BFC2-28CC22B2FD79.thumb.jpeg.6d9102925f6be82f4ec3d468aeaa4f0e.jpeg420899A0-1797-4364-91BD-BC52DB37B731.thumb.jpeg.e92ab28bcd82b55ef308de3b031cb978.jpeg

Edit: Tried to delete the duplicate picture but it doesn’t seem to be working.

I'm like 95% sure this is just a spinosaur tooth.


Spinosaur teeth can vary quite a lot. Some are almost round, some are laterally compressed to a fair degree. Some have ridges on both sides, some only on one side. And some are completely smooth on both sides. Most Kem Kem spinosaur teeth completely lack serrations. Some have false serrations. This means that it can look like they have serrations, but upon closer inspection you'd see that the carina is actually continuous. But some spinosaur teeth from the Kem Kem do actually have true serrations. Although these seem pretty rare.
Most Kem Kem spinosaur teeth are mostly or completely straight. Some have a slight curve to them.

Everything I see here fits with spinosaur. And it's too slender for croc imo.

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Olof Moleman AKA Lord Trilobite

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With the additional photos I cannot disagree with what @LordTrilobite said.  I have teeth that have no vertical ridges..

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8 minutes ago, Troodon said:

With the additional photos I cannot disagree with what @LordTrilobite said.  I have teeth that have no vertical ridges..

I will change my display back and move it back with the other kem kem dino teeth thanks guys.

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  • DenverEdge changed the title to Unusual tooth from Kem Kem. Update number 2: after much discussion i have decided to label it as spinosaurus tooth.

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