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Found 14 results

  1. 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
  2. I was hoping somebody on TFF might be able to point me in the direction of any scientific papers, research or information that members here might have put together regarding dromaeosaurid theropods from the Judith River formation. This is not really about identifying any teeth, though I do have one from that formation. I am starting to do my research for the education program and am looking for scientific information. From what I can gather, there is a possible Saurornitholestes species and of course the dinosaur I have seen referred to as Julieraptor, which is a interesting story all on its own. I have also seen Dromaeosaurus listed from that formation. I would like to sort out what is known and unknown from the formation and the best way to present our "raptor" tooth to the kids. Any help links or suggestions as to where I might find more information on this would be much appreciated
  3. 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.
  4. 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.
  5. Fast. Intelligent. Deadly. The "Raptor" is perhaps one of the most famous dinosaur today thanks to Jurassic Park. To many people's surprise however, raptors are heavily feathered and nimbler than movies would have you believe. The Jurassic Park Velociraptor was merely the size of coyote in real life! In fact, their proper family name is 'Dromaeosaurid'. The largest species was Utahraptor, and it grew to the size of a grizzly bear! Dromaeosaurid fossils have been found all over the world. They first appeared during the Cretaceous, though isolated teeth have been found in the mid-Jurassic. Allow me to present my humble collection of Dromaeosaurid teeth. First up, from Cloverly Formation, one of my pride and joy from @hxmendoza A dromaeosaurid from Aguja Formation. I am seeing more Aguja fossils showing up, but dromaeosaurid teeth are still rare. Now, for the dromaeosaurids from the famous Hell Creek Formation. Some of them probably lived alongside T. rex. A big shout-out for @Troodon for getting me started on dromaeosaurids with this very first Acheroraptor!
  6. Always like to see discoveries of dinosaur material from the east coast especially from North Carolina. Here, the first definitive occurrence of a dromaeosaurid from the Tar Heel Formation is reported on the basis of a tooth from a fairly large member of that group. The tooth described in the paper is intermediate in size between those of smaller dromaeosaurids like Saurornitholestes and gigantic forms like Dakotaraptor. https://www.paleowire.com/just-out-a-giant-dromaeosaurid-from-north-carolina-cretaceous-research/ Paywalled paper https://www.sciencedirect.com/science/article/pii/S0195667118301253
  7. I noticed a Dakotaraptor tooth for sale and caution anyone interested in it to do a bit more homework before you buy. Dakotaraptor teeth are difficult to diagnose and can easily be confused with Nanotyrannus teeth. These teeth have been very difficult to find and are prized but be patient and be sure its the real deal. If interested my suggestion is to obtain more information on the tooth: A photo of the mesial carina. On the holotype the mesial carina typically ends 1/3 from the base A closeup pictures of the mesial and distal denticles, see below on what they should look like. Not box shape like Nano. From the photos provided it might look right but need that closeup A serration count midline of both edges 5mm wide. Being a Dromaeosaurid the serrations are larger on the distal carina than mesial one. . Denticle shape from DePalma paper included in my topic shown below
  8. Kem Kem tooth ID

    OK, I know it's gonna be an Abelisaurid, gotta check with you guys though! Pictures should say it all.
  9. Raptor Arm

    Partial right humerus (upper arm) of an undiscribed Dromaeosaurid. The size is very similar to that of Bambiraptor. This animal was possibly just over a meter long.
  10. It's been awhile since I posted so I thought I would share a few recent buys. These two claws are definitely some of my grail fossils. Enjoy!! Allosaurus hand claw, digit 2:
  11. Dromaeosaur Metatarsal

    Partial metatarsal of a Theropod dinosaur. Probably from a Dromaeosaurid. Very similar to metatarsal II and IV of Velociraptor.
  12. Raptor tooth

    Tooth of a velociraptorine raptor. Specifically the serrations of the tooth are typical of Saurornitholestes.
  13. Velociraptor claw Replica

    From the album Reptile Fossils

    Velociraptor mongoliensis A replica of the killing claw and toe digits of a Velociraptor. Original from: Djadokhta Formation, Mongolia Age: Late Cretaceous

    © &copy Olof Moleman

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