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I made a quick trip yesterday back to the Ellis County creek where I found so many teeth. With all the work being done to deer stands and feeders near it last time I was there, I knew my days of being able to hunt it this year were numbered, and sure enough, I have been officially banned by the landowner whose pasture I must cross to get to the creek, until at least next February. I knew my two best micro-spots in the creek were pretty much played out until we get floods and erosion, but I figured I might spend some time searching the gravel bars in the creek, and walk a little further down the creek than I had before. I made the walk further down the creek first, and never got around to searching the gravel bars very much. Here's what I spotted just past where I'd been before. How many teeth can you see in that matrix?

So I've gotten myself into an extremely rare deal- a mosasaur and pliosaur tooth both in the US for a great price. The goodies arrived today, and I might as well show em off. First off, we have a mosasaur tooth from the Ozan Formation of Fannin County. Knowing that the NSR flows inside Fannin County and is also part of the Ozan Formation, This tooth is probably also from the NSR itself. Although the seller didn't have time to do a full ID on the tooth and simply labeled it as unidentified, by extensive comparing with other mosasaur teeth from the area, I can promptly assume that this is cf. Tylosaurus proriger, meaning that after 11+ years of my life, I finally have a T. proriger tooth . Next, we got a tooth that has been sought out for by countless collectors- a north american pliosaur tooth. As with other Texan pliosaur teeth, this one was from the Britton Formation near Dallas. Again, the seller labeled it as an unidentified pliosaur. This time though, IDing is difficult. Based on my knowledge, the two possible candidates are Brachauchenius lucasi and Polyptychodon hudsoni, which both have been found in this area. But as its hard to tell the difference between the two in teeth, I can't make a solid pinpoint. Maybe I'll just be biased and label it as cf. Brachauchenius lucasi because brachs are more iconic to me and due to the unstableness of the polyptychodon taxon. Although not as large as other's tylosaurus teeth, this one still kicks over 4 cm which is still pretty big to me. The pliosaur tooth is just over 2 cm, making it quite small but worth due to its rarity.