Ornithopod Phalange?

[Ninjafossils]

I found this in the two medicine formation of Montana. I originally thought it was maybe a well worn phalange from an ornithopod dinosaur. But it doesn't match the structure of any that I have previously seen. It also has a weird shape that makes me not think it is a vert. It is wider at the bottom and becomes more narrow at the top. There are these bony rings near the ends of the bone. What is it?

 

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[Ninjafossils]

Nothing?

 

[Whiplash00]

It's hard to tell on here because photos never seem to capture the look and feel of exactly what is there. I see what you mean and it very well be but I cannot say for sure. I know one thing.. If it wasn't, you'd hear about it...