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Hello everyone I went on a commercial dino dig tour Summer 2022 of the Hell Creek formation in the Butte County, South Dakota area and found lots of bones and spitter teeth and had a great time. These two were in my unknown/unidentifiable pile and I've recently done some cleaning/prep to them and was requesting some help with possible IDs. The first item (on the left in most of the images) looks like a broken rooted ceratopsian/triceratops tooth to me with ridges and enamel showing. The second item (on the right in most of the images) looks a little like a scute with a raised round/circular area in the center and a lot of what looks like scratch marks on the opposite surface. I'm a newbie to the Hell Creek and these guesses may be off. Let me know if you would like any additional angles or detail for help with the ID. Thanks a bunch for looking
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From the album: Dinosaurs
Triceratops prorsus Hell Creek Fm., Harding Co., SD, USA 3.5 cm height On the ranch where this tooth was found, only T. prorsus skulls have been found in the 30+ years the company has operated there, lending a very probable, precise identification for this Ceratopsian tooth. (T. prorsus was one of the last dinosaurs, younger than T. horridus. The two species are also stratigraphically separated in the Hell Creek Fm., so it makes sense that one may only find one species in a particular deposit.) For most Ceratopsid teeth (from the Hell Creek Fm., for example), only association with an identifiable skull can allow for identification beyond Ceratopsidae indet. Fossil in Collections: http://www.thefossilforum.com/index.php?/collections-database/chordata/dinosaurs/triceratops-prorsus-tooth-r2122/-
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From the album: Dinosaurs
Triceratops prorsus Hell Creek Fm., Harding Co., SD, USA This is a nice tooth with great enamel, partially rooted, and has some feeding wear (which I enjoy). It does have some repair/consolidation. Usually, Ceratopsian teeth are indistinguishable from each other. In HC, Torosaurus and Triceratops (currently) are the valid genera. However, the company operating on the ranch where this tooth was found has only found T. prorsus skulls in the 30+ years they've been there. This tooth, being found in the same deposit, therefore has a good probability of being from T. prorsus.-
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Hello, It has been a little while since I've posted here; but I'd like some help if possible. I rarely buy fossils but as I'm a ceratopsian fan and we don't have any in our local formations (UK) I've decided to buy a tooth; I'd just like ID confirmation and wether it's a good example. I don't mind a little feeding wear nor matrix, which it has, but from what I've seen via search engines is that the preservation (Judith River Formation) and the fact that the tooth is rooted is quite good? I bought this from FossilEra and I assume they're still reputable. It's noted down as chasmosaurus sp. I reckon you can only ID down to a genus? I don't know much about the Judith River Formation; so it'd be nice if someone could help me out with some context. 1.55 inches long (photos are taken from the website, they're not my own) All the best!
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