Lance Formation Dinosaur Bones ID

[Nanotyrannus35]

For Christmas, I'd gotten a box of matrix from the Lance formation. I have some fossils that I am not sure what they are and would like to get your opinions. All of these fossils are from the Lance formation of Weston Co. WY. 

The first one is I think a theropod ungual, missing both the distal and proximal ends. Here are the pictures.

The second one I'm pretty sure is a partial Edmontosaurus metacarpal.

The 

 

The third one might be a ornithischian ungual.

And here is the final one, I think that it might be a jaw section.

 

[Troodon]

The second one might be the proximal end of a chevron.