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  1. Hi All, I'm new to this forum and thought I'd send over images of my theropod teeth plus one extremely impressive sauropod from Madagascar. Hope you like them! Paul
  2. I saw this Allosaurus claw for sale today . I dont know how a real Allosaurus claw looks like , so I wanted to ask If its real or fake . It shows some bone texture at the back , but it looks a bit weird (to me). It was found in Wyoming, where exactly wasnt said . Its from the jurassic period . 11 cm in length .
  3. The brochure said if I stood behind the wall and was patient that I would see dinosaurs. Didn't happen. Sheesh! Wasted that nickel. Last time I stop at a tourist trap.
  4. This specimen is about 60 pounds and 19 x 17 x 6 inches. It has what look like tubular areas on one side, and is smooth on the other sides. Although at first glance it may look like a rock, please see other specimens from Nevada that look similar with white mineralization, etc. It is smooth on all sides except where broken. It flares up and down in opposite directions on each end. Possible Suspects: 7 Dinosaurs That Lived in Nevada (And Where to See Fossils Today) One opinion: Looks like a chunk of Morrison dinosaur pelvis..particularly ilium. The busy side is the inner surface where the sacrum fits on, big hole for femur head. Size-wise, Allosaurus, Stegosaurus" Wish the photos were in color, but one looks like the same dark stone with white mineral streaks: https://www.researchgate.net/figure/Right-lateral-view-of-pubic-foot-of-Allosaurus-AMNH-813-Ventral-view-of-pubic_fig1_268274412
  5. Hi. Thanks in advance for help from anyone. I recently bought these bones from someone with access to Bone Cabin Quarry, I am 100% confident these came from there. I can tell that some look like limb bones, #3 looks to me like part of a sauropod vertebra (but I could be wrong). I am fairly new at this. The person said the other Jurassic dinosaurs from the general area included Sauropods: Diplodocus, Camarasaurus, Apatosaurus, also Allosaurus and Stegosaurus. There are 15 bones in the photos, numbered 1-15. If anyone can tell me with any reasonable confidence about any of these, and how they know (I want to learn), it would be a valuable learning experience for me. I forgot to put in a ruler, but the box is 16" by 12". I do appreciate it! Gordon
  6. Josesaurus rex

    Allosaurus ribs or not?

    Hello everyone. A few weeks ago I received this piece of matrix with remains claimed to be Allosaurus, from the Morrison Formation. I'm not sure if they're even dinosaur, but I bought them anyway to experiment with cleaning it. What is highlighted in green, in the first photo, is where I was cleaning up with a dremel engraver. From a previous post that I saw on the forum, where someone was asking about this same fossil (I apologize if I bought it ahead of time), I read that they suggested just exposing the bones a little more, and preparing the matrix. It's what I'm doing. But since I don't have paraloid or butvar, in some parts to reinforce the fragile bones I applied super glue, one that is quite liquid and absorbs very well through the cracks, I apply it by drops using a syringe. Maybe I did wrong, but it is the only thing that could have been done in the absence of something better, and I find that it has stabilized the bones very well so that they do not crumble. In the parts highlighted in blue in the first photo and those that follow, there are spaces in the matrix where there was bone, which surely eroded and only the mold remained. The matrix is quite hard, so I don't think it needs any additional need. My doubts are: a) Are Allosaurus rib fragments effectively treated, as suggested in the publication? b) If they are not, is it possible to tell if it is a theropod, sauropod or other type of animal? Thank you very much in advance.
  7. I am a big fan of jurrasic sauropods and I therefore spend most of my time on preparing what is left of them. However, for a change I now started working on a slab of rock that seems to contain a series of fused sacral vertebrae by a theropod. The verts seem to belong to Allosaurus. Maybe not as cool as a sauropod fossil but I think that Allosaurus was a fascinating creature as well. The bones have been collected many years ago at Dana Quarry, Teen Sleep, Wyoming.
  8. Hey there forum folks... anyone in Casper this evening is welcome to come to the Tate Museum's lecture series. These happen every now and then. Tonight's talk is by Joe Peterson of UW (Wisconsin, not Wyoming) at Oshkosh. He will be talking about his research on the Cleveland-Lloyd Allosaurus bonebed in Utah... "How Did they die?" Not in Casper? That's OK, it will be on Facebook Live at 7PM mountain time. We are 7 hrs behind Greenwich. https://www.facebook.com/events/635869241681017 Not on FB? we may try to record it for the museum's YouTube channel.
  9. 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 (or some other Diplodicoidea) with some small pieces which are likely Allosaurus. I will know more after I started preparing the material. The bone quality and completeness of the bones is ranging from very good to poor according to the seller (what that means I will find out soon). Anyway, this will keep me busy for one or two years. If there is interest I will post a picture once in a while.
  10. Zomb Ren

    Morrison tooth ID (Allo?)

    As mentioned in the title, I am considering whether this tooth is from Allosaurus sp.? CH 1.7cm CBL 0.9CM CBW 0.35CM MESIAL: 5/MM DISTAL: 5/MM I think mesial serrations extend almost to the base
  11. Pliosaur

    Morrison Theropod Tooth ID

    Hello everyone! would like some help with identification on this theropod dinosaur tooth! Information as follows: morrison formation skull creek quarries moffat Co, Colorado measures 1.71 diagonal pictures attached
  12. I found something from our favorite auction site that looks very interesting, however I have my doubts if it is legitimate or allosaurus, and would like to hear someone else's input. Seller describes the item as a fused humerus and radius, but I am guessing they mean ulna and radius, of an Allosaurus, found in the morrison formation. Do anyone have information regarding whether these bones even fuse in theropods, or whether they even resemble the ulna/radius bones of Allosaurus? Thanks
  13. Hey, headed into Denver tomorrow, passing Dinosaur Ridge in Morrison, then down to Colorado Springs. Can anyone point me in a direction to search for a few fossils along the way? I have heard Florissant is productive, but anywhere else between Denver and Colorado Springs? Thanks for any help,
  14. I sculpt scale model dinosaur skulls (and more) on a popular 3D printing service. I put a lot of research and effort into getting these as accurate as I can. These are my personal copies, painted in acrylic with D.I.Y stands.
  15. I’m wondering if these two teeth (both are from the Morrison Formation in Moffat County, Colorado) have been identified correctly as Allosaurus and Marshosaurus. Here are the measurements of both: Allosaurus: 4cm long serration count is 10/5mm on anterior and posterior carinae base length is 21mm and base width is 13.5 mm (note from dealer: Please note that the base of this tooth is broken and the transition of enamel to root is not present. The base measurement may have been larger.) Marshosaurus: 4cm long serration count is 18/5mm on anterior and posterior carinae base length is 15 mm and base width is 8mm (note from dealer: Please note that the base of this tooth is very near the enamel to root transition a represents a fairly complete tooth.) The serrations on the anterior keel of the tooth extend two-thirds of the distance from tip to base. Images seem to be weirdly mismatched, but I think it’s pretty easy to tell which pictures match with which.
  16. FF7_Yuffie

    Allosaurus or something else

    Hi, Quite interested in this. Supposedly Allosaurus. 1/2 an inch in length. From Morrison Formation, Wyoming. Worn tip, serrations on the back but none on the front. I am wondering if it is too small to be Allosaurus. I'd appreciate any thoughts on the tooth. Thanks
  17. TeethCollector

    Morrison Megalosaurid or Allosaurid?

    I bought this tooth and the seller named this 'Allosaurus', but the serrations are more dense and the mesial carina stops far before the root. Is this a megalosaurid or allosaurid? Anyone can help? The base width/base length = 4.2mm/12.3mm Locality: Morrison formation, Wyoming Distal carina Mesial carina
  18. Hi all, Recent find in an old collection. It appears to be a theropod fossil toe bone but I cannot tell what genus or species, or formation. I don’t want to jump to conclusions so I’m putting it out there to all you good people to help hive mind an answer. Thanks!
  19. I have seen constant supply of dinosaur fossils from Hell Creek and Judith River... but not Morrison. I don't see any Allosaurus, Torvosaurus, and Ceratosaurus tooth from the market. Some Jurassic herbivore such as Diplodocus and Camarasaurus are available but not as frequently as Hell Creek herbivores. And I haven't seen any Stegosaurus material as well.. There's no commercial digger working in the Morrison Formation? or there is a legal issue? Or just because they are so rare?
  20. Hi everyone, So today i was researching for a quality tooth, like a Daspletosaur one or an Allosaurus one. Suddendly i notice a tooth that says “Morrison Formation Allosaur/Ceratosaur “shed” tooth” It was in a Matrix, and i never seen in my life a tooth of this caliber, it was very strange. It was like the root was splitted in many pieces, giving you the sensation that the tooth was fused with the matrix. So the question are, what’s the meaning or description of the phrase “shed tooth”? Is a good piece? if you need photo ask me Notice: I have only seen Ceratosaurus tooth with 3 mm in leght, and this is 3/4 cm long, so I think it would be (if it is a good piece) a good opportunity
  21. Hi I’m looking into buying these three teeth and am wondering if they look good to anyone? Like restoration, repair, composite? And if it’s possible to identify the species? Thank you for any feedback! baby Diplodocid indet, Morrison Formation Theropod indet, Morrison Formation Tyrannosaur indet, Judith River Formation
  22. Per Christian

    Allosaurus tooth?

    Hi all, This is listed as an allosaurus tooth but it can't possibly be? It looks very off, but i figured I'd ask here to see if I'm wrong. I'd say its crocodilian if anything
  23. Billymachi

    Allosaurus Caudal Vertebrae

    This purchase was advertised as an Allosaurus (half) vertebrae obtained from Ernest Shirley inventory. Matches well with exhibits 4,5,6 of the illustration from Charles Gilmore's 1920 report on Osteology of Carniverous Dinosauria... which is considered to be a 5th (?) caudal vertebrae of A fragilis (Antrodemus). I would appreciate any feedback on what details are present in this fossil and perhaps where this may have been collected, as no provenance was provided. There are small pits visible in the side view which may be fossae. I have seen photos of similar looking specimens with a gemmy "peacock" internal preservation. The external surface is black silica while internal details are calcite/dolomite based on the reaction with acid.
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