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Showing results for tags 'two medicine formation'.
Found 16 results
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The Two Medicine Formation: Identification, Faunal Lists and Localities
Troodon posted a topic in Questions & Answers
More and more dinosaur material is becoming available from the Two Medicine Formation. I see lots of misidentified material and some with questionable localities that might fit other deposits. I would like to summarize what I believe is currently known and published. If you see any omissions or errors, please let me know Not a lot of good maps out there to show the formation but here are two. The TMF is about 650 meters thick and is the western equivalent of the Judith River Formation. Most of the sediments were deposited in streams, rivers and lakes. It overlies the Virgel- 1 reply
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- campanian
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The Two Medicine Formation is a late Cretaceous geological formation that was primarily deposited in North Central Montana 84 to 71 million years ago about the same time as the Judith River Formation, See Map - pink area. The Two Medicine is found along the east flank of the Rocky Mountains and represents the upland area of the Cretaceous Seaway while the Judith River Formation represents the lowland area. Although deposited in the roughly the same period the Two Medicine has yielded an amazing list of dinosaurs that are not found in the Judith River. These include Einiosaurus procurvicornis,
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Could really use help identifying this piece! Found in two medicine formation in southern alberta. Size is 2 inches x 2 inches and 1.5 inches high. It’s quite solid and is coolish to the touch, not at all chalky. thanks for any feedback at all.
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Is this a Two Medicine juvenile tyrannosaurid or Richardoestesia tooth?
-Andy- posted a topic in Fossil ID
Hello, this tooth has baffled me for years. I can't tell if it is a juvenile tyrannosaurid dentary tooth or a cf. Richardoestesia gilmorei tooth Its locality info is Montana, Two Medicine Formation The tooth has a serration density of 19/5mm on the distal mid-line. Unfortunately the mesial carina is worn down so that crucial data is missing The CH is 11.5 mm, CBW is 7 mm and CBL is 4.5 mm As far as I am aware, juvenile tyrannosaurid (with the exception of T. rex) have slender teeth while as this tooth is somewhat robust. Meanwhile, Richardoestesi- 2 replies
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Impressive finds continue for Whitefish-based fossil hunters By Jeremy Weber, Daily Interlake, August 1, 2021 Yours, Paul H.
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Why Dino Collectors need to have Material Verified
Troodon posted a topic in Is It Real? How to Recognize Fossil Fabrications
I urge caution to all collectors buying or trading from dealers, diggers or fellow collectors. Most collectors, diggers or dealers are honest and trustworthy but not all have a firm handle on identification and I'm seeing this situation worsening not improving. Its not easy even for paleontologists who are trained. I include collectors because like myself, have over the years, been sold misidentified material. So dont trust anything you see offered to you and get it verified. Here is just a sampling of a few items I've run across. Provenance is very important in identi- 12 replies
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- daspletossurus
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I found this tooth while in Montana! I have no clue what it is. I was told that you guys could help! :)
DaLizardKing posted a topic in Fossil ID
I found this tooth while in Montana! I have no clue what it is. I was told that you guys could help! If you guys need any more information, tell me Found Near Fox Crossing Montana, Judith River Formation. Hill County -
Paper reassess the previous referral of specimens to Rubeousaurus ovatu and determines it represents a new centrosaurine taxon, Stellasaurus ancellae in the Two Medicine Formation in Montana https://royalsocietypublishing.org/doi/full/10.1098/rsos.200284 Artwork by AndreyAtuchin Nasal horn
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- stellasaurus ancellae
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Hey everyone! In this post im going to be sharing two teeth from my collection. The first one was sold to me as acheroraptor. Its from the Hell Creek formation in MT and its CH is 7 mm. @Troodon
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The left humerus of a juvenile hadrosaur. Found near Hamilton. The closest formation is Two Medicine formation. The deltopectoral crest seems fairly robust for such a young animal so I'm leaning towards this being Lambeosaurine instead of Saurolophine, which would make it most likely Hypacrosaurus. The shape also fits quite well with a juvenile Hypacrosaurus I have restored some small areas where there were large holes. But I have left the largest area of damage due to it being a little unclear as to how robust or slender that area would have been.
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- saurolophine
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Hi I was wondering if Powell county Montana is part of the two medicine formation I go a tooth from Powell county and it says it’s hell creek but it looks like it’s in two medicine it’s too west to be hell creek thanks. <Translated for the pre-celltext generation>: Hi, I was wondering if Powell county Montana is part of the two medicine formation? I got a tooth from Powell county and it says it’s hell creek, but it looks like it’s in two medicine: it’s too far west to be hell creek. Thanks.
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I have 2 campanian tyrannosaur fossils, one from the Judith river formation from Blaine county in Montana, and another where the only locality I know of is that’s from the two medicine formation. I was wondering if the locality can help determine between Gorgosaurus, Daspletosaurus and Albertosaurus, or if any formations are limited as to which species is present.
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From the album: My Collection
Tyrannosaurid indet. (Likely Daspletosaurus horneri or Gorgosaurus sp.) Two Medicine Formation Browning, Montana -
Can anyone ID these bones? They are from the Two Medicine Formation, they have these weird bumps on them which I first thought was skin but it looks like it's part of the bone or whatever it is.
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Species: Unidentified Age: Late cretaceous Location: Montana Formation: Two Medicine Formation, Judith River Group Size: 0.8"
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A new Tyrannosaurid has been described from the Medicine Formation. Daspletosaurus horneri For collectors of dinosaur teeth, there is nothing in the paper that I've yet seen that would distinguish these teeth from other Tyrannosaurid in the Two Medicine Article: http://www.nature.com/articles/srep44942 Paper: srep44942.pdf
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