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Found 30 results

  1. Hadrosaur Humerus Repair/Prep

    I recently got this lovely mess of bone, which is a mostly complete hadrosaur right humerus that only requires some assembling. I actually bought this with the idea that it might be a fun project. But then it broke even more in the shipping. So I have my work cut out for me. It's from Judith River formation, Montana. It's hard to tell at the moment, but it seems to be a rather slender humerus. So that would make it more likely to be from the saurolophinae subfamily. But I will look into that some more when I have it assembled. So I will be doing lots of reassembling on this piece as well as prepping away some excess matrix that's still present. Besides the obvious problems, the bone itself is actually in very nice condition with some really smooth cortical bone as well as some lovely visible muscle scars. This is how it looked when I first opened it. Quite a mess. Also a drawing of what it should look like in context. And here I have slightly ordered the pieces. There's 5 big main pieces, three medium pieces and a whole bunch of tiny chunks. One of the bigger pieces that includes the ulnar and radial condyles. The shaft of the bone has had a pretty bad recent fracture. This is also where most of the smaller pieces come from.
  2. I just wrapped up my awesome 3 week fossil hunting trip with Paleoprospectors and I'm excited to get home and share more of my finds with everyone. It was an ambitious undertaking on my part as I would be out fossil hunting in hot and dry conditions for such an extended amount of time with no parents within a thousand mile radius, that's not to say I wasn't looked after and I'd like to thank all of the staff and participants that accompanied me during this excursion. Tonight I'll share with you the pictures and stories from the last three days of my time in Montana. Wednesday involved a lot of hiking and not a lot of production in terms of fossil finds, my best finds included a shred of theropod tooth, a small fragment of theropod bone and some petrified wood pictured below- Here's a view of small portion of the area we were hunting My group decided to call it a day early as it was 105 degrees Fahrenheit in the valley at one point making hiking nearly unbearable.
  3. A Few Small But Cool New Dino Fossils

    We have been working primarily on our shark program material but we did add a few new dinosaur fossils. For the most part they are pretty small in size but add quite a bit to the education we do. These represent some iconic and scientifically important dinosaurs. In addition to these small fossils, we added a 6" Trike frill piece from HC, a smaller piece of a Horseshoe Canyon Ceratopsian frill, and a 2.5" Hadro vert from that formation. These are excellent touch fossils so I am happy ! The small fossils are..... Dromaeosaurus sp. Judith River. I big thank you thank you to @Troodon for some ID help. This is a really nice tooth and I am really excited about this one. We can get into some fun science about the study of tooth wear in determining what dinosaurs ate.
  4. Dromaeosaurus Tooth?

    Hi folks, I've seen a tooth for sale listed as a Dromaeosaurus Albertensis. I trust the seller's ID, but I'm not 100% confident with dromaeosaurs, so would just like to hear what the forum experts think? Locality: Judith River Fm. (Havre, Montana) Size: 2cm These are the only photos, I'm afraid. There is apparently a twist in the mesial carinae, but it's not super clear. Thanks in advance, guys!
  5. Crocodile Osteoderm

    From the album Judith River fm. Fossil Finds

    Here's the second piece of crocodilian osteoderm I found in Montana in the summer of 2017. It may also be from Leidyosuchus.
  6. Crocodile Osteoderm

    From the album Judith River fm. Fossil Finds

    This osteoderm may belong to Leidyosuchus.
  7. Tyrannosaurid Tooth Tip

    From the album Judith River fm. Fossil Finds

    Here we have the tooth tip from a Tyrannosaurid I found at a microsite in Northern MT. Teeth, especially fragmentary ones like these are nearly impossible to identify accurately as the differences between those of Gorgosaurus and Daspletosaurus (the two species of tyrannosaur from the JRF) are difficult to distinguish.
  8. Leidyosuchus tooth

    From the album Judith River fm. Fossil Finds

    This little tooth likely comes from the alligatoroid Leidyosuchus. However I could be wrong and I'm basing that idea off of it being the only crocodilian other than deinosuchus described from the formation.
  9. This is being sold as an aubsylodon tooth with partial root (which I’m not sure is even possible as the genus is apparently only recognized with one premaxilla tooth. How does it look?
  10. judith river fossil, scute?

    A weird looking fossil I found last summer in the Judith River Formation.
  11. Dinosaur Verts (Maybe)

    I need some ID help/education. I saw a few vertebra for sale and they are in my price range so I thought I would put them on the forum and gather some more informed opinions about these. First up is a "Raptor" vertebra from Hell Creek. It is around .8" x.5" inches. I lack the skills to determine if it is dinosaurian let alone raptor but my gut says likely not.
  12. Micro Bones

    From the album Judith River fm. Fossil Finds

    I have no idea what these tiny bones belong to. They could be bird, mammal, small reptile or an amphibian. These were found at the same microsite as the Troodon tooth. If you have any indication as to what these could be let me know.
  13. Troodon (Stenonychosaurus?) Tooth

    From the album Judith River fm. Fossil Finds

    This Troodon tooth is one of my favorite fossils in my whole collection. I found this at a microsite in Northern MT in the summer of 2017.
  14. Hadrosaur Tooth

    From the album Judith River fm. Fossil Finds

    This tooth comes from a hadrosaur of some variety (difficult to assert a genus over one tooth) and is the biggest herbivorous dinosaur tooth in my collection and among my best fossils altogether. It was found by my dad in northern Montana in 2017. It measures over an inch and half in length. If you have any ideas as to what kind of hadrosaur this tooth belongs to feel free to let me know your thoughts.
  15. Juith River Tyrannosaur Id confirmation

    The source of the Dromaeosaurid indet vertebra that I recently posted here also has various Tyrannosaur teeth and tooth fragments for sale. We would like to add a Tyrannosaur from Judith River to our presentation. Both of these are listed as a Gorgosaurus tooth but I have read enough on TFF to know the appropriate ID would Tyrannosaurid indet so I am not looking for a species level ID. I just need confirmation that it is from the family. I see nothing to tell me it is not but I have learned to put it to the forum for verification before committing. They are both small but affordable. I was hoping to grab something a little larger but either of these would fit a hole in our presentation material from Judith River. Are these Tyrannosaurid tooth fragments ?
  16. Judith River Dino Id Help

    All of these items are from the same dealer and I am looking for some ID help. I researched these as much as I could on my own but I can only get some far with the knowledge I have. All of these come from the Judith River formation. For our education programs to really be solid, we need to expand beyond just teeth. We do have an Edmontosaurus jaw fragment and will soon have some Ceratopsian frill pieces plus some bones fragments from the Morrison Formation. I think it would be a good idea to augment the small dromaeosaurid teeth we have a bone or two so I am trying to understand this part of dinosaur collecting better before I make a purchase. I do not want to repeat the error I made with the Troodon vert (which did have a happy ending as the dealer graciously agreed to exchange that for a frill piece). Any help on this is greatly appreciated. The first one is listed as a the pedal phalanx from a Dromaeosaurus. I looked over as many photos as I could find of dromaeosaurid phalanx bones. It does look similar to several photos I found. I have a few questions on this one. Is this the phalanx of a dromaeosaurid dinosaur ? Second question is more of a general question. Can you even determine a genus or species based on an isolated phalanx? The second one is listed as a distal caudal vertebra of a Dromaeosaurus. This one was far more difficult to find anything to reference on the internet. I found nothing that could give me an insight as to whether or not this is a dromaeosaurid vertebra. Is this is from a dromaeosaurid dinosaur or any kind of theropod for that matter ? I have a pretty good idea now of what to ask dealers when it comes to theropod teeth but isolated bones are pretty new to me. Are there questions that I can ask of the dealer to further the ID process? Thank you in advance for any assistance you can provide
  17. This tooth is the right price for us and from the exact formation we want an ankylosaur fossil from. Species and tooth condition is not important. Is this tooth from an ankylosaurine dinosaur ? I was not expecting to find an affordable tooth from the formation I want as soon as I started searching but I did. I was not really supposed to buy anything else right now but this is in my price range and one of the Judith River ankylosaurines is named after Zuul from Ghostbusters. That is a dino I want to talk about and that is why the species does not matter at all. No matter what Judith River Anky fossil we get, Zuul will be the presentation species lol My 45th B-day is a month away. My kids can get it for me
  18. Judith River tooth ID

    Hello guys, I have bought this theropod tooth, but I´m not sure about the ID. The tooth is 9mm in lenght and was found in the Judith River Formation. I hope, that you can help me! Kind regards from Germany!
  19. Judith River Montana bone

    Found in the Judith river formation of Montana. Mule deer or something older?
  20. Hello. This little tooth popped up on my radar recently. This tooth is .5 inch in length and it comes from the Judith River Formation. The seller describes it as Euoplocephalus but I'm not sure if that ID is correct. Interestingly I've found that this tooth has a slight resemblance to teeth from Edmontonia, but I have found no information on Edmontonia being described from the Judith River Formation. I know this is likely Ankylosaur indet. because there is still so much Ankylosaur material yet to be described, but is an ID on this tooth possible? Thanks for the help! I posted a reference photo of an Edmontonia tooth credited to @Troodon's collection.
  21. Me and my 7 year old boy went looking for fossils many times. We found a claw tip and a claw mid section from two separate expeditions in two different areas within the river valley a kilometer apart. I believe we have a sickle claw tip from one hand of a dromaeosaur and a sickle claw mid section from the opposite hand. I would appreciate any additional id that could be made from these photos.
  22. I hammered this free from a chunk of ironstone. Ironstone matrix. I thought it was completely round like a marble nut the more I inspected I see some traits that this is a designed specimen with a symmetrical pattern and some unique patterns. Any ideas?
  23. Albertosaurus?

    Hi, I recently got hold of this 1" premaxillary tooth which was found in the Judith River Formation, Montana. Could any of the local expects confirm whether this is Albertosaurus? Thanks in advance
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