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North Sulfur River Identifications


Titan

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Hi Everyone,

I’ve been living down in Texas with my family instead of my usual location in Missouri, and had a free day to go to the North Sulfur River (NSR). I had no idea my family lived so close to such a fun location to fossil hunt. I had a great time and have been trying to find the identity of a few of the fossils I found. I know  identification posts are generally individually done, but since they were all found at the same location I decided to group them into one post. Hope that's not too against forum rules. Anyway, I’d love y'alls thoughts on what they might be!

All the following were found in the North Sulfur River – Ozan formation.

 

Number 1:

This seems to me to be a jaw bone, but beyond that I'm unsure. Two possible growth teeth. What do you think?

1.thumb.jpg.6f2efefefb003b6f7a35a434f7437e59.jpg

2.thumb.jpg.0ba7ef793050e92d96cc432056ee09d7.jpg3.thumb.jpg.09af089833812d83cc3325a32b24fea7.jpg4.thumb.jpg.9f0b174b2872f0d010ed28f6e9df504e.jpg5.thumb.jpg.71b5838f0048687804e3b472e410f144.jpg

 

Number two: Are these bacculites end pieces?

 

6.thumb.jpg.1112ed4a030f673afa12d747a12c458d.jpg

 

Number 3: I saw in another post these were identified as mammoth enamel. Think that is what they are or just something geological?

7.jpg.4802b4120acd80ceb959d4542116dc81.jpg

 

I have a few more I'll include in a following post...

 

 

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Ok, so here are the other two.

Number 4: Unknown tooth. On a tooth like this without the root, how can you tell the ID between Mosasaur, Pliosaur, or Xiphactinus? What do you think this one is? 9.thumb.jpg.18250330d2611f0e77e936c7101ca87d.jpg10.thumb.jpg.623e748ce43839a9efcfdad648614ea2.jpg11.thumb.jpg.50a086d1a46e1fd1b7e65b97bb069ac6.jpg

 

Number 5: Unknown scaled something. Fish?

12.thumb.jpg.65c780b56838de89af57a3445ce72b15.jpg

13.jpg.d654b310b898fe0511218890725ff1b6.jpg14.jpg.4754cf0ebffe937657927a128c9a6370.jpg15.thumb.jpg.468e96dc191c96c125bab2d0617f67e3.jpg

 

Thanks in advance friends :)

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#4 looks like a mosasaur tooth.I’ll let others explain the difference between mosasaur and other teeth. Number five looks really cool. It does look like a fish. The last picture you can see a few different vertebrae. what you think might be mammoth tooth fragments look more like calcite or some thing else mineral . Nice finds.

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@garyc Thanks for weighing in Gary, I appreciate your thoughts. #4 seemed Mosasaurish to me as well, but then I started looking at other peoples identifications of Pliosaur, or Xiphactinus teeth and they looked very similar so I wondered. Number 5 is exciting to me and I wish I had a prep lab (and the skills) to see if I could remove the matrix from the back side of the scales to see if there was something there.

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