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  1. I am a university student studying T. rex, so of course, I ran into the Nanotyrannus debate. People have been arguing about Nanotyrannus being valid, but there's a huge problem: No adult specimen. Unless someone has an adult, or even a subadult, specimen of Nanotyrannus (over 15 years old), it isn't a real genus. This is why I am here. I know people collect fossils and post pics of them on here, so I'm willing to see what people may, or may not, have. My question is: Does anybody have an adult Nanotyrannus specimen? In simpler terms, does anybody have a Nanotyrannus fe
  2. Happy almost Halloween! Show us the scariest thing that has ever happened to one of your fossils or something about fossils that is related to halloween. Mine is this. I'd bought a fake mosasaur jaw but I didn't know it was fake. I'd put it in the sink to clean it off and then the whole thing crumbled. I did get some mosasaur teeth out of it though.
  3. Hi all, I recently purchased these 2 bone segments labeled as dinosaur bones from Morocco. They both are solid like a rock and feel dense like a piece of petrified wood. The ends have been cut and polished. They certainly look like bone to me but they are somewhat small. Other than their petrified like feel they look like they could have come from a modern animal. I don't see any indication of tree rings like petrified wood may have. What do you think, are they bone? Could they be millions of years old? Fakes? Thanks for taking time to look at these. 7 pictures for bone 1 below
  4. LordTrilobite

    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 c
  5. Why are there so many late Cretaceous dinosaur fossil bearing formations in the western usa? In just Montana alone, there is the Hell Creek fm, the Lance fm, the Judith River fm and the Two Medicine fm. The fauna in these different formations are also similar, it's kind of confusing.
  6. Is this Spinosaurus tooth real? I am slightly suspicious of it, but am not experienced enough to tell
  7. patrickhudson

    Judith river claws?

    Found in the Judith river formation along the milk river. They seem to be a few claws, but unsure about the dark one that’s super hollow as well as the first one that seems to be a bit more uniquely shaped than I’m used to finding. I thought croc claw at first based off what we were finding in the area - but who knows. All three are about an inch long. thanks for the help. Deciding if they’d be worth restoring or not. sorry for the slight mix and match on the photo order
  8. What is this inclusion in this amber? It appears to be some sort of head, but I don’t know what it is
  9. I recently purchased a Theropoda indet. tooth from the Lourinhã Formation of Lourinhã, Portugal. I wasn't expecting much initially since it looked like an incomplete tooth and the seller tends to go the safe route with their IDs if it's too vague. But, the serration count was similar to that of the Marshosaurus-like megalosaurid teeth based on @Troodon's guide on the dinosaurs of Portugal. Maybe it's just wishful thinking, but I wanted to see if anyone else had some input before I slap that good old theropoda indet. label on the display. The distal serrations is split d
  10. Crazyhen

    Dinosaur vertebral bone?

    This bone is from Yunnan of China. Is it a vertebral bone of dinosaur or a marine reptile?
  11. DenverEdge

    Judith River Herbivore teeth

    I posted in the fossil prep a few days ago about some Judith River matrix I got with teeth. Well now that I practiced on a damaged tooth shard I decided to start on this piece which seems to have two teeth laying on top of each other. I was hoping to get some help on what species these could be. I believe there is an ankylosaur tooth in good condition under the tooth that is more exposed. The small one is about a quarter inch and the larger underneath about 0.6 inches. this material is new to me and I have more matrix with different teeth so any other input is also helpful.
  12. Soo I've been digging and finding bone in different areas along w buried deep charcoal and or black thin stone. Most rocks I let sit on a shelf but this one has been bugging me and has me stumped and YES I LICKED IT gross and it was slightly sticky. I've honestly not a clue and the pattern on parts of it has truly just thrown me for a loop. Any help appreciated. USA/VA
  13. I recently acquired some matrix with teeth from the Denver gem and fossil show this year. I’m unsure what is best to do. Leave everything in the rock, get the teeth out and see if I can find other fossils as well, or just prep the teeth out a little and leave them in the matrix. I have prepped a lot of Moroccan phosphate material but never something from the states. Also if anyone can help I.d any teeth that would be helpful. Here are a few of them.
  14. Hi all! So I recently posted regarding a bone ID on a mystery mosasaur/dinosaur vertebra (I’m leaning towards it being a mosasaur vert.). The vert. came out of either the Cretaceous Bladen or Tar Heel formations of North Carolina from a marine site that yields dinosaurs, crocs, mosasaurs, turtles, and fish (including sharks). Well, I went back through the material I had collected (from the same site as the vert.) and found what I believe are a worn tooth and a fragment of what I believe to be the proximal end of a femur (although I could very well be wrong on that). The tooth I would
  15. PaleoNoel

    Hell Creek Small Theropod Claw

    Hi everyone! I wanted to post one of my new favorite finds from this past week of collecting in the Hell Creek formation of Montana. I found this little partial claw at a microsite which proved to be quite productive, making for a great day. While the articulating surface is missing, I still feel that it could be identifiable and my first guess is bird. Avisaurus in particular as I remember seeing similar claws being labeled as such on other platforms. It’s about two centimeters long and the bottom is flat, giving it a somewhat triangular cross section. photos from the field.
  16. From the album: Lando’s Fossil Collection

    Collected from the Cretaceous Tar Heel formation of eastern NC. Teeth are either crocodilian or mosasaurian, and vertebra is either dinosaurian or mosasaurian.

    © Lando_Cal_4tw

  17. Scratch

    Unidentified skin fossil

    Hello everyone. I'm not at all up on fossils, though I do sometimes turn them up while fieldwalking for stone tools in the Lincolnshire Wolds. Normally I just find belemnites, ammonites and other shellfish but today I found this piece at a field edge not far from Horncastle. I've put "dinosaur" and "fish" in the tags purely because I had to put something. I'd love to know what this is and would be delighted if anyone can identify it. Here it is at the moment of finding and after a gentle wash. Thanks in advance, Ted.
  18. cen003998

    Dinosaur claw?

    I bought a dinosaur claw from Liaoning. I guess it is a Psittacosaurus claw. Do you have any opinions?
  19. Hi, I recently found a bone that looks like either a vertebra or a phalanges. The bone is from eastern North Carolina, legally collected from public land, and comes out of either the Cretaceous Tar Heel or Bladen formations. Both marine and freshwater organisms as well as dinosaurs are known to be found from the general area. The bone does not look like it comes from a turtle or crocodile, but I could be wrong. Is it a dinosaur or mosasaur bone, or something else? And no, there is no way this bone is Cenozoic. Thanks!
  20. Hi Fossils Preparation Fans, Last week I received 1900kg of unprepared dinosaur bones in plaster jackets. Now my neigborhood thinks I lost my mind and I received a lot of eye-rolling from my wife. However, my two sons (7y and 2.5y old dino fans) and myself think it was an excellent idea to acquire the material. The fossils have been collected in the upper layers of the Morisson Formation. Location: Moffat County, Colorado As always when buying unprepared dinosaur bones you do not really know what you get. However, it seems that most material is Apatosaurus (
  21. ThePhysicist

    Tyrannosaur distal denticles

    From the album: Dinosaurs

    Tyrannosauridae Hell Creek Fm., Powder River Co., MT, USA ~ 3.6 / mm Notice that the enamel is still clear, with the dentine visible underneath. If Nanotyrannus is valid, then this is Nanotyrannus.
  22. ThePhysicist

    Hell Creek Tyrannosaur

    From the album: Dinosaurs

    Tyrannosauridae Hell Creek Fm., Powder River Co., MT, USA If Nanotyrannus is valid, then this is Nanotyrannus.
  23. ThePhysicist

    Tyrannosaur tooth tip

    From the album: Dinosaurs

    Tyrannosauridae Hell Creek Fm., Powder River Co., MT, USA If Nanotyrannus is valid, then this is Nanotyrannus. Note that the serrations wrap around the tip ("apex") of the tooth as is common in unworn Tyrannosaurs.
  24. Opabinia Blues

    Kem Kem Theropod vertebra centrum

    This is a vertebra I won as part of an online giveaway. I was told that it’s a Spinosaurus vertebra, but I doubt that vertebrae centra are identifiable down to genus level like that. Still, thought I’d post it here in case anyone can narrow it down for me so I can get a more accurate ID. (I will add that although it is difficult to see in the images, both the posterior and anterior ends of the centrum are concave). Thanks!
  25. Amber ONeal

    Fossil? Petrified dino head?

    Interested in what this might be. Found in Hot Springs, Arkansas.
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