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Was fortunate to find an interesting tooth a few months back. I didn't find it soon enough though. The elements had taken their toll and cracked it as well as splitting it into two pieces. After extraction and clean up, I thought it compared well to Campodus/ Agassizodus. Any thoughts?

I worked out a few crusher teeth this past week. These teeth come from the Deer Creek limestone. They all look pretty similar. Not certain if they are the same, or from different species of fish. The second is the smallest ive found. I know form genera is an issue with these too. Anyone have any insight? #1 #2 #3

About two weeks ago I bought this bunch of Kem Kem chunkosaur pieces in the hope that something interesting might be in there among the nondiscript bone fragments. There were some things that were identifiable. But this one piece completely baffled me when I looked at it more closely. I hadn't noticed it at first because it still had a bunch of matrix on it. But I soon saw some weird square shapes. These remind me of of the shapes some reptiles have under their scales on their skull. The bone piece already had a weird straight shape with a hollow in the middle. At first I assumed the hollow on the inside of the bone that was just exposed due to breakage. But I then cleaned it some more and a pattern emerged on the inside of the fold that I can only describe as a toothplate. I'm almost positive this must be some kind of jaw piece with a strange tooth plate. I know Kem Kem is still very much a mystery. But I've never seen anything quite this thoroughly bizarre before. Has anyone ever seen anything similar to this? Side with the "toothplate" visible as well as clear square shapes on the outside of the bone. It's still not completely clean, but the toothplate seems to extend futher into the fold. Flat outside edge. The square shapes end in half circles on this side. The other side of the edge also has similar patterns but on a different scale and not as clear. Other side with more subtle square shapes on a smaller scale. Both broken sides to show the cross section. It's also slightly asymmetrical.