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Found 41 results

  1. Dakotaraptor tooth?

    I just saw this tooth listed as Dakotaraptor. It's 3/4" long. Most of these "Dakotaraptor" teeth I see just scream Nanotyrannus, but I'm not so sure on this one. I looked at my Acheroraptor and Nanotyrannus teeth and the distal serrations look a bit more like those of Acheroraptor - especially those near the base. Unfortunately, the mesial serrations are all worn off. What do you guys think?
  2. Fun with 3D Printing Fossils

    So recently my father bought a 3D printer and we've been experimenting printing some cool fossils for a while now. It's a really cool technology. Though it can take a while to print a piece the results are really quite cool. A life size Archaeopteryx can take a few days to print if you don't keep printing during the night. Finishing up the prints afterwards can also take a bit of time. Cleaning off all the supports and sanding down rough surfaces can be quite the process. Then there's painting depending on the desired result of course. There are actually a lot of nice things that can be found for download on the internet. Though many of these models still require a bit of digital cleanup before they could be printed. So here are a number of the painted, unpainted and half painted results. Most of the printed stuff is dinosaur. Photo of the 3D printer and the just finished print of a juvenile Edmontosaurus lower jaw. And here's the same Edmontosaurus jaw print half painted again with the real fossil in mirror image next to it. I scanned the original bone that I then mirrored digitaly so that I could print out the other side of the jaw. Allosaurus hand claw. Clidastes Mosasaur quadrate bone. Skull of the "Prosauropod" Massospondylus. Holotype right lower jaw of Owenodon, an Iguanodontid. 1/5th scale Nanotyrannus skull. The Cleveland specimen. One of my favourites. The Eichstatt Archaeopteryx specimen. The right side skeleton of the baby Parasaurolophus "Joe". Printed at 1/5th scale. Right humerus and pedal phalanges printed at life size. Most of the fossil prints are for my collection. But my dad also wanted a few cool things which I painted for him. Skulls of Dodo and Australopithecus Taung Child. Most are painted roughly to look like their real counter parts.
  3. T-rex Teeth Verification

    For context, I have received these photos from the shop that I have done business with previously. I want to ensure that these are rex teeth and not another genus. I acknowledge that these pictures do not show the base of the teeth which seems to be the tell tale differentiation, in addition to measurements of scale and so on. Therefore, I just would like to see the opinions of those on the forum with the pictures provided, I wish I was able to take more appropriate photos of the specimens. Tooth #1 strikes me as a likely rex candidate simply because of the robustness, #2 I'm not so sure. Not an expert on theropod teeth by any means. Thank you all! (The 98 million year old age is a typo, they have a more expensive tooth with the appropriate age of 68 million years)
  4. Nanotyrannus or T-Rex?

    I got this tooth a while ago, and It was sold to me as T-Rex. I’m not really sure if it is indeed from one, or a Nanotyrannus. It’s a small tooth, found in the Hell Creek formation. Either way it’ll still be one of my favorite teeth. I’ll post some pictures.
  5. Worn Nano tooth?

    I got this worn theropod tooth a little while ago. It's labeled as Nanotyrannus from the Lance Formation, Weston County, Wyoming. However, it looks a bit odd compared to other Nano teeth I've seen. Is it a tip from a larger tooth? Can it even be identified when this worn? Have at it Scale is in centimeters
  6. Nanotyrannus?

    I've been looking at this tooth labeled Nanotyrannus from the Lance Formation in Wyoming (scale is in cm) . Now, the photos aren't great but I'm sort of wondering if it really is Nanotyrannus. It isn't quite as rectangular as other nano teeth I've seen (though I'll readily admit that I haven't seen a lot) and seems less curved. Any thoughts?
  7. Theropod Claw Confirmation

    And now my last fossil for the night, one of my favorite fossils in my collection ever is the theropod claw my dad found (I always give credit when he's the discoverer) in the Lance fm. of Wyoming the summer before last. It was identified by the guide as potentially being a Nanotyrannus hand claw but I wanted to confirm that with other members on TFF. It's about 2.5 cm in length.
  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. Hello all. Seller has this labeled as a dakotaraptor tooth. After hours of my own research and still being unable to come to a clear conclusion I decided to post here for help. Troodons guide helped a great deal but I still couldn't be positive. Any help is greatly appreciated.
  10. 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.
  11. Hell Creek Tyrannosaur tooth tip , nano ? rex?

    Hi! I have a tooth tip from hell creek formation but I dont know if its nano or rex, the serration count fits within the t-rex range with 2 serrations/mm , but I do think its quite slender for a rex tooth. What do you think? I tried my best to get a photo of the serrations but it wasn't very easy. The tooth tip is just 16 mm.
  12. Fossil I.D.: Nanotyrannus or Dakotaraptor?

    Hello everyone, I'm new here! Are there anyone who can identify these teeth? The shop says they are dromaeosaurid, but I think these might be from Nanotyrannus. Their crown morph clearly not Acheroraptor. Many thanks in advance!
  13. 1.25" Rough Nanotyrannus Tooth I.D.

    Hello TFF! This is my first post (finally just made an account after some technical difficulties, thanks @Fossildude19 for your help!) although I've been reading up for the past few months on this site. I am looking to purchase this Nanotyrannus tooth from an auction site, and I have included all of the pictures provided on the listing. I understand that this is a very rough tooth (the seller clearly states this as well and doesnt try to mislead in the slightest) and I just want to make sure that it is actually a Nanotyrannus tooth. The seller states it is from the Hell Creek Formation, 1.25" long, feeding worn tip, and wear grooves from the opposing teeth. The seller also states that there has been no restoration/repair done, other than some fossil glue used to stabilize the tip, and a COA can be included following purchase. I'm just looking for confirmation that it is a nanotyrannus tooth, or even a tyrannosaurid tooth. I tried to include all of the info I.D. posts usually need, but if I missed anything please let me know. Thank you all for your help! I really appreciate it!
  14. Nanotyrannus or Dakotaraptor?

    Hi all, I am new to the forum and new to collecting =) I recently obtained this nice tooth labeled as Dromaeosaur sp. premax. tooth - I would like to get a more refined ID if possible. It was found in the Hell Creek Fm., Powder River Co., Montana and measures 15/16". Denticle count per 5mm is distal 18, mesial 24 (not many denticles visible mesial though). I found a thread here stating it is possible to distinguish Nanotyrannus from Dakotaraptor teeth by the shape of the denticles - however I find this very hard as rookie. Any help is appreciated!
  15. Nanotyrannus or T-Rex?

    MORE PICTURES IN LOWER POSTS! Howdy everyone! I picked up this tooth not long ago and am curious if it is either nanotyrannus or T-Rex? Tooth comes from the hell creek formation. It was sold to me as nanotyrannus but it seems somewhat bulky and thick at the bottom so I thought I'd ask. Tooth is roughly 1-3/8" long in a straight line. Thanks for the help everyone!
  16. 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?
  17. T Rex or Nanotyrannus?

    Hi all, I acquired this tooth a while back and was wondering if it is a Trex or Nanotyrannus. If you think there the same let me know I’m still on the line. Thanks!
  18. skull replicas

    I did a photo shoot with my Nanotyrannus and Velociraptor skull replicas lastnight. Here are some of my favourites...
  19. it's labeled as nanotyrannus/"raptor" tooth and it's from hell creek, here some pics:
  20. 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
  21. Teeth and Bones from Hell Creek

    From the album Dinosaurs and Reptiles

    Teeth and Bones from Hell Creek formation, South Dakota, USA, Maastricthian, Cretaceous. Scalebar 1 cm. A. - Thescelosaurus neglectus tooth. B. - Denversaurus schlessmani tooth. C. - Nanotyrannus lancensis tooth. D. - Richardoestesia sp. tooth. E. - Dromaeosaur tail vertebra. F. - Edmontosaurus annectens shed tooth. G. - Triceratops sp. shed tooth. H. - Crocodile scute. I. - Borealosuchus sternbergi tooth. J. - Brachychampsa montana tooth. K. - Myledaphus pustulosus ray tooth.
  22. 3 hell creek theropod teeth

    I found these three teeth on a certain auction site (all 5/8" long) listed as raptor teeth (probably just based on size), but clearly the first two are not. They must be either Nanotyrannus or T. rex. The cross section of the first is very rectangular like Nanotyrannus, but also very robust/"fat". I'm leaning toward Nano on this one. The second seems more oval shaped so I'm leaning a little toward T. rex on this one. I'm not really sure on either though. As for the third one, my gut says Nanotyrannus. The anterior and posterior serrations are definitely too similar for Acheroraptor (I have one, very different), but could it possibly be Dakotaraptor? Any help here is appreciated. I'm really not very interested in Nanotyrannus teeth right now but I am very interested in small mislabeled T. rex or Dakotaraptor teeth. tooth #1: tooth #2: tooth #3:
  23. Hey everyone. I purchased this fossil recently and wanted to get your opinions on it. It is from the Hell Creek formation of Montana. The seller says that is either a surangular or angular bone from a theropod jaw. After looking at pictures it does look very similar to the angular bone of a Nanotyrannus, looks about the right size too. What do you dinosaur experts think? Thanks! -Mike
  24. Good afternoon all, I wanted to get some opinions on determining if a tooth I am thinking about purchasing is either a T-Rex, or a Nanotyrannus tooth. I will post some pictures of the tooth, and supply what information I know about it. • The tooth is 1" long, with a round cross section. • Robust serrations. • Found in the Hell Creek Formation, Powder River County, Montana. Due to the round cross section and serrations, I have been leaning towards classifying it as a T-Rex tooth. I'm very interested to hear member thoughts.
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