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Found 6 results

  1. Fellow members, I am considering purchasing this tooth which is advertised as being a T. rex tooth from the HCF of Carter Co., MT. The seller isn’t able to provide the nearest town. The enamel isn’t perfect but I am guessing that much of the value will be in the length. I am told that there is no repair nor restoration - can anyone see any evidence that might suggest otherwise? The description also states that there is some partial root present. From research, it seems to be an average specimen as is typically found. Or perhaps somewhat above average given that most teeth found are in a worse state. Might members agree that this is a nice 2” T. rex tooth (albeit with some enamel missing) at this price point. There are better out there but those perfect examples will be well north of much more, one suspects. Thankyou in advance.
  2. Tyrannosaurus rex (Osborn, 1905) Late Cretaceous, c. 67 Ma Hell Creek Formation, Isabel, Dewey Co., South Dakota, USA. It has been a dream since childhood to own a Tyrannosaurus rex tooth and my dream came true with this recent acquisition of a gorgeous T. rex 1.5” dentary tooth.
  3. I came across a weird tooth online. The seller claims that it is an all-natural Tyrannosaurus rex tooth from the Hell Creek fm. (no more specifics than that), though it features very odd preservation. It is nearly pure white in color. As I have little experience in tooth identification and telling apart fakes, I would like to gauge everyone's opinions on whether or not this tooth is completely authentic and identified correctly. If I receive any more information about the specimen, I will make sure to list it here. *New info*: The seller has informed me that the tooth has not been bleached by the sun. Rather, the color is due to where it was excavated from. If true, this seems to be a wonderfully unique tooth. The original owner has confirmed that it is from an area near Mosby, Montana (also very close to Jordan, Montana).
  4. Hi, Dear guys. I had a question about T.rex teeth I'm very confused by this question and hope to get an answer. we knew a T.rex‘s dentary tooth that will have a pinch in one side with the tongue. how about a maxilla tooth that will also have a pinch on one side? I guess that answer is not. And about another question: There is a tooth available online. Is it a dentary/maxilla tooth? and why. Please. From Weston County, Wyoming, United States 7¼ inches (18.5 cm) in length. Thanks guys for the help. Have a nice day. from Chris
  5. ThePhysicist

    Baby Tyrannosaurus rex Tooth

    Identification: Originally listed as a Dromaeosaurid tooth, I suspected it was from a Tryannosaurid. Upon receiving the tooth, I contacted a few paleontologists to get expert opinions. Their conclusion was that the tooth was likely from a baby/juvenile Tyrannosaur. Since the only Tyrannosaurs in the Hell Creek Formation are Tyrannosaurus rex and Nanotyrannus lancensis (or only T. rex if N. lancensis is a young T. rex), and considering the cross-section of the base of the tooth, this must be from a baby Tyrannosaurus rex. This tooth shares many qualities with adult teeth, a fact which the experts used to justify their identification. The large denticles (serrations) on both carinae (cutting edges) are similar in shape and size, there's virtually no recurvature, no twisting of the carinae, and it has an oval base. The overall shape of the tooth also suggests that it's from the posterior region of the mouth. Among the attached photos are juxtapositions with a high-quality cast replica of an adult T. rex (Stan) posterior tooth, and a juvenile N. lancensis tooth (also from the Hell Creek Formation). Other: Mesial Serration Density: ~ 5.5 - 6 serrations / mm Distal Serration Density: ~ 5 - 5.5 serrations / mm Note: Serration density alone is not an identifying feature of Tyrannosaur teeth this small. Identifiers: The people that support this identification are: @Troodon (experienced and knowledgable collector on TFF); Dr. Philip J. Currie (noted paleontologist, museum curator, and professor specializing in Tyrannosaurs); Dr. David DeMar Jr. (research associate in the Department of Paleobiology of the National Museum of Natural History, Smithsonian Institution); and Dr. Christophe Hendrickx (postdoctoral researcher specializing in the evolution of theropod dentitions). Citation: OSBORN, HENRY, 1905. Tyrannosaurus and other Cretaceous carnivorous dinosaurs, Bulletin of the AMNH, Volume 21, Article 14, Pages 259-265, https://digitallibrary.amnh.org/handle/2246/1464
  6. Jaimin013

    Tyrannosaurus Rex tooth

    From the album: My Collection

    Hell Creek Formation, Faith, South Dakota, USA It is a beautiful tooth with no restoration. The tooth has the characteristic d shape profile of a trex tooth on the basal side and this sort of preservation is actually fairly common with tooth also collected from other locations such as Wyoming. The first ever dinosaur tooth that I owned!
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