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Found 52 results

  1. Hello All, I'm new to fossil collecting as well as this forum. I'm looking to pick up a T Rex tooth and came across the one in the attached images. I'm just wondering if you could help me verify that it is genuine? It comes from the Hell Creek formation so I believe it is, I just wanted to be sure. Also, if anyone has any reputable sources for T Rex teeth, that would be great to know as well (PM). Thanks in advance!! -Derek
  2. Which is the largest length of a maxillary and pre-maxillary tooth of a trex?
  3. Large Tyrannosaurus tooth

    Here is my premaxillary Tyrannosaurus rex tooth I own at 4.25 inches in length.
  4. Updated T.rex

    Cool article from Business Insider on the most accurate T.rex so far to date. This new exhibit is featured at the American Museum of Natural History, NYC also featuring the Tyrannosaur lineage. Really dig the new look! https://www.google.com/amp/s/amp.businessinsider.com/what-paleontologists-got-wrong-about-tyrannosaurus-rex-2019-3
  5. Hi everybody, I've seen this daspletosaurus tooth, what do you think about that. Is It classificable like Daspletosaurus or indet. theropod tooth? The Sellers says that cane from Hells Creek formation Larfield 60x15mm Thanks
  6. Hey guys, Over 4 inches and was discovered in the famous Hell Creek formation
  7. My son and I recently started an education non-profit using fossils. Since the little kids love dinosaurs, we decided to include them in our programs. I do not know much about Dinosaur fossils but I am trying learning on the fly. There is no way we can pick up a full tooth or large bone from a T-Rex. our purchasing power is limited. I did find a dealer that has several partial teeth or tooth shards listed as T-Rex. They are affordable for us and did come from Hell Creek. I am apprehensive about buying any of them though because I do not want to drop any money on something called a T-Rex unless I can be fairly certain that is what it is. I do not possess enough knowledge to ID a partial tooth nor do I know if you even can correctly identify a tooth shard. I will put to this those here with far more knowledge than I have.... Can you ID a tooth shard as T-Rex and if that is possible, what would you look for ? Thank you in advance for any help that I can get
  8. Hello Fossil Forum, on the German version of our favorite auction site I found something strange. It’s a theropod tooth which looks to me like a tyrannosaurid tooth from Hell Creek formation. Nothing special so far but that the seller claims it’s an exceptionally well made replica! Is that possible?! If so, I feel no longer able to tell a real from a fake tooth. It would be the best tooth replica I’ve ever seen. How could the serration and enamel be faked so well? But if it’s real, why would the seller claim it’s not? Any opinions? I’m not planning to buy it, just curious... Regards, Vertebrate
  9. I'm still on the fence about if Nanotyannus l. is a valid genus or not. I used to be firmly on the "Juvenile T.rex" side with Carr but some arguments such as the odd limb proportions on "Bloody Mary", tooth counts in actual juvenile Tyrannosaurus like "Baby Bob", and there being two "types" of Tyrannosaurid teeth in Hell Creek with overlapping sizes but very different shapes which don't all seem to be cases of it being teeth from different parts of the mouth, have shifted me to being open to both sides. I suppose it does make ecological sense for there to be a medium-size carnivore in the same region as a very large predator as the prey taken would likely differ drastically. So while I'm undecided, I can certainly see either argument being true. But hypothetically speaking, if Nanotyrannus turns out to be a valid genus, what branch of the family tree exactly would it come from? Based off time and location I'd be tempted to say it's a Tyrannosaurinae like Tarbosaurus or Tyrannosaurus, but last I checked most definite members of that group tended to be a lot more robust. I also recall when it was first described, Gilmore called it a species of Gorgosaurus. The lean build and thinner teeth do align with Albertosaurinae, but they could be convergently evolved I suppose.
  10. Is this a Nanotyrannus tooth?

    I got this from a guy who found it at Montana the Hell Creek area. I was wondering if it was a Nanotyrannus Tooth or a different carnivore?
  11. This past Wednesday I got to meet Trix in person, and is she beautiful or what?? I immediately fell in love with her. I could have stayed and looked at her for hours, but it was crowded and sweltering in the building (all buildings actually) so we didn’t stay too long. We also toured the Museum of paleontology, but by the time I made it to the third floor (husband and child chose to sit that floor out) I practically ran through it, it was just too hot to stroll around leisurely anymore. So the photos aren’t my best, but it’s what you get.
  12. T-Rex tooth or not? And aubleysodon?

    Hi, I am new to the forum. I just got back from a dig with Paleoadventures. Had a great time! With their digs, you are allowed to keep common fossils (triceratops teeth, bone fragments), but anything commercial (t-rex teeth) must be bought for an additional fee and anything scientifically significant cannot be purchased. I found what was identified to me by the company as a T-Rex tooth. The attached field pics are all that I have at the moment (I have a couple more but it wouldn't let me upload more). I was told that it may cost $1500 to buy. It is being prepped and I will be contacted hopefully by the end of the month following full appraisal. I found this tooth myself in the "tooth draw" site, hell creek formation, South Dakota. I know it is genuine. My question is, how do I know for sure that it is a T-Rex tooth? I don't want to pay a premium price for something that might cost less if it were Albertasaurus or Nanotyrannasaurus or some other tyrannasaurid. What other tyrannasaurids can be found in the hell creek formation that it could be mistaken for? Are there any specific questions or information I should request before purchase? It measured approximately 2 inches long and appears to have serrations. The owner, Walter Stein, has a good resume and seems trustworthy, but I just want to make sure. I've Googled everything I can google and I'm driving myself nuts! Another curiosity....I also found what was explained to me to be a baby T-Rex tooth, but what was ultimately labelled as an "Aubleysodon" tooth. I didn't have the option to buy it because it was considered scientifically significant. Seems there is some debate regarding T-Rex, aubleysodon, and nanotyrannasaurus, regarding whether or not they are separate or the same. I also have a picture of it but couldn't upload. Any input?
  13. Ok, so I know these are kinda small, but hopefully it's good enough to tell. The tyrannosaur fossil was originally compacted, so keep that in mind if there's anything that would be attributed to that. Pic 1:unidentified tyrannosaur 2:stegosaurus 3&4:allosaurus (I know the allo metacarpal may be hard to destinguish, so I'm not expecting anything concrete on that one)
  14. During the last 10 weeks a Tyrannosaurus Rex nicknamed "Rocky" was displayed at the Süddeutsche Zeitung (German Newspaper) building in Munich / Germany. Some information about the exhibition in German on the Süddeutsche Zeitung webpage: CLICK It was found in in South Dakota and was bought by the "Dinosaurier Museum Altmühltal" and will be displayed there in the future in central Bavaria. Information on the webpage of the Museum in German: CLICK Unfortunately I couldn't find any news about this in English. But I still hope you enjoy the pictures. To put his size in perspective:
  15. Tyrannosaurus?

    Ok, here's 2 pieces. I think it's clear which are which, but just to be clear, of these first 4 pics, the 2nd picture for some weird reason, is of the 2nd bone, and the other 3 are of the 1st, and the rest of its pics will have to follow in additional posts. Of course I'm still no expert, but as some of you will know Ive been doing QUITE a bit of research on trex bones recently, and I have to say that from what I can see, to ME, who again, is no expert, they look like they fit, and I haven't seen anything that discounts that. Both from hell creek. <<As always, I very much want to hear what everyone has to say about it.....ESPECIALLY if u agree, but even if you don't too, of course:) A lot of what Iv learned recently and been pointed in the right directions to learn, is from you guys giving me your thoughts and ideas! If I notice something to debate, or devils advocate in people's ideas, its cause I'm taking it seriously. I worry I might sometimes come off as being stubborn and just disregarding things of people who's opinion is just not what I am wanting to hear.
  16. Are these tyrannosaurus teeth?

    I didn't know which place to post this, but I found this online and I was wondering if these are in fact genuine T-Rex tooth? Thank you very much.
  17. Nice, cool big bone for sale from Hell Creek Formation Montana listed as rex, is it?
  18. Tyrannosaurus fibula?

    So, can anyone shatter my dreams with THIS one? Lol no, I'm really extremely appreciative of the help Ive been getting with questionable fossils, and the chance to learn important and helpful information! the description says it all...this is supposed to be a tyrannosaurus fibula fragment. Seems legit to me, but I could definitely use other opinions. This is a hell creeker.
  19. Hello what makes a good tyrannosaurus rex tooth its it the size and quality of it ?
  20. Tarbosaurus Tooth?

    Saw this tooth online recently, it already sold but it was listed as a Tarbosaurus Tooth but it reminds me more of a carcharodontosaurus tooth but then again I am unsure nor familiar with tarbosaurus teeth, what do you guys think? I have included all photos in the listing.
  21. T. Rex integument?

    I am in the process of creating scientifically accurate extinct plush animals, and I had a question in regards to the integument of Tyrannosaurus Rex. I know there is evidence supporting the scaly covering of T. Rex from various impressions from the Wyrex specimen, but I am unsure of the location, size and implication of these impressions. We want to make our animals (while made more 'cute') to be accurate to the scientific finds at the time of their production. However, I must admit a large attraction of the T. Rex plush is that it will have a feathery covering on it's body. Even though the feathers are highly speculative I think the idea of feathers on a T. Rex will get some people to question what they know and hopefully delve more into the science behind these creatures rather than just take recreations at face value. So my question in short is this: Where do we KNOW T. Rex had scales, how large were these scales, and whats the maximum size and location of coverage we could accurately speculate T. Rex could have had feathers without ignoring the facts? Thanks a ton for your answers and views
  22. What is the deal with the feathering on Tyrannosaurus rex? I can't really find anything reliable online, except for Mark Witton's blogpost about the topic, but some renowned paleoartists like Fabrizio de Rossi's recent "All Hail the Queen" artwork. So was T. rex fully scaly, did it have a few bristles on the back of the neck and on the trailing edge of the arms? I think that adults had some bristles while juveniles had much more feathering. What is the current theory?
  23. My T-Rex and Nanotyrannus teeth

    These are my T-Rex and Nanotyrannus teeth. I acquired most of them pretty recently. They are some of my most prized dinosaur fossils. I'll post my T-Rex/Nano bones soon as well. Pic 1 and 2= Nanotyrannus lancensis tooth, Hell Creek formation, South Dakota Pic 3,4,5= Nanotyrannus lancensis tooth, Hell Creek formation, Montana Pic 6,7,8= Tyrannosaurus rex tooth, Hell Creek formation, Montana Pic 9= Tyrannosaurus rex pieces and tips, Hell Creek formation, Montana Pic 10 and 11= Tyrannosaurus rex tooth, Hell Creek formation, Montana Pic 12= Nanatyrannus lancensis teeth, Hell Creek formation, Montana Pic 13= T-Rex and Nano fragments, Lance formation, Wyoming
  24. Straight Outta Mesozoic

    As a graphic design artist I sometimes like to create some paleo-art and pop-art mash-ups. Please feel free to comment.
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