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Found 6 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. Today is my last day off of work which means I have time to do fossil stuff. It is also the last day for a little while that I will be discussing dinosaur fossil very much. We have shark programs starting at the end of this month so my mind has to get back on the sharks. Dinosaurs go on the back burner again for awhile. I will post a bit more of the collection but I also wanted to share a little bit about my experience with Jurassic dinosaur fossils during the early stage of building our collection. Hopefully it provides something useful to another collector. As we started window shopping in preparation for beginning a dinosaur collection, one thing stood out about fossils from the Jurassic era. They are expensive. The prices are so far out of my range that I did not bother to research them beyond the ones we first encountered from various dealers. I would have to sell a kidney to get a hold of anything from that era. I saw sauropod teeth for up to 2500$ and none under 600. Don't get me started on theropods from that era. It all looked just too expensive. Our collection is built on inexpensive fossils from formations (Bull Canyon, Kem Kem, Judith River, Hell Creek) that produce some great bargain stuff. i saw nothing in the way of bargain fossils from the Jurassic beyond bits of bone or bits of bone assigned a species even though I doubt you could assign a species to those bits. They are chunkasaurus not Camarasaurus is my theory lol Anyway, I had little belief that we would add anything Jurassic except for the chunkasaurus bones for kids to handle. It did bother me though that we would have a glaring hole in the program. Kids associate the Jurassic era with dinosaurs and vice versa thanks to the movies Jurassic Park. Even if the dinosaurs from those movies were not Jurassic, the word association is unavoidable. I decided to back track the origins of the super expensive fossils from that era. I have a theory that there has to be a primary source for all of those high priced dealer bones. I think one or two entities probably supply the vast majority of fossils from the Morrison Formation which seems the primary formation for North America fossils out there. I think I was successful in the attempt to find one of the sources of the fossils. I have seen affordable Jurassic fossils for the first time and I would tend to trust the ID's because these folks dug them up. I suspect season collectors will the know the folks I am talking about. I saw a few fossils that were in the price range that we set for ourselves. It is not a lot of money at all but I saw fossils that we CAN get. We can not buy right now. The Judith River Anky and I are in a firmly committed relationship so until that tooth comes home, I am frozen on purchasing for a bit lol I do have a source though and time to start learning about Jurassic dinosaur fossils before I buy any. I know the general profile of what type of dinosaur fossil we will add. It will be a bone, not a tooth, of a sauropod. It will give us a Jurassic dinosaur to fill that blank space in the program plus it would give us some visual flair. Point is...... a little bit of above ground virtual digging can unearth the fossils you want even if they at first seem to expensive to afford. Be patient, be diligent, do your homework, and you can build a pretty awesome dinosaur collection, with out going broke
  3. On to the Dinos. As I mentioned in an earlier post, I found some helpful information here about the Triassic fossil material from Bull Canyon before we started collecting the fossils so I knew going in that some of the dinosaur stuff may not be dinosaur at all or at least it may not be the dinosaur that they are sold as. The fossils are educational so we will present them as we purchased them while noting the uncertainty in documenting our collection. We want to do what we do with the sharks and start our programs as far back in the evolutionary line as we can get. Bull Canyon gives us possible dinosaur fossils that represent very early dinosaurs. The kids will likely not know much about early dinosaurs so these fossils are important in giving us that bridge. We bought three very small, and inexpensive, "Coelophysis" teeth. One of them looks that it could be a dinosaur tooth while the other two are probably not. I found a great piece by Troodon here that outlined what to look for in Bull Canyon teeth and using his profile of what to look for from a dinosaur tooth from Bull Canyon, I contacted the dealer I bought them from. He is going to find us one that fits that profile so I feel good that we will have one or two Triassic Theropod teeth. If they are actually Coelophysis or not is not a concern. That is the species we are presenting to the kids because they are such a well known early dinosaur. The kids can learn more about them on their own and they may get really interested in early dinosaurs if we can connect them to one. It gives a an opportunity to touch on basic theropod biology and get into evolution. We also got a small and inexpensive "Prosauropod" tooth. I did know before buying it that no diagnostic prosauropod fossils had been found in Bull Canyon. I can accept that this one is unlikely to be prosauropod but we are still going to present it as one because the kids will really enjoy hearing about the forerunners of the very well known Long necks. I do not have all the science info set for this part of the presentation. I am still learning about early dinosaurs. I do not think we will be able to add much to this part of the dinosaur program. There does not seem to be a lot of fossil material available so i think this will have to be enough. Pic 1 our tiny collection of tiny Triassic "dinosaur" teeth.
  4. Back in November of last year, my son and I decided to start our own education non-profit. We wanted to combine his artwork, my teaching skills, and real fossils to create a museum on wheels that takes fun field trips to the classrooms. We had shark teeth and marine mammal fossils so we started building education programs around those. I am very satisfied where those two programs are at though I would love to expand the number of shark species we can present but that is a story for a different day. We knew we would need to get a dinosaur program going at some point but I know nothing about dinosaur fossils so I did not want to start collecting yet. My plan was to wait until late spring or early summer to start building our collection. A friend gave us two hadrosaur teeth and a Hypselosaurus egg shell piece in December so our program got started earlier than planned. As we do with every decision, my son and I talked about picking up a few bargain dinosaur fossils while we tightened up the other programs which are debuting in March. One of the first things I did was join TFF. I was very intimidated by dinosaur fossils and I hoped this place would help me educate myself. I have been a quiet observer so far and have not engaged very much with the dinosaur experts here. I have read a lot of posts and this has been so incredibly helpful. Utilizing the expertise of the members here has also saved me money and stopped me from making one unwise purchase. I have only picked up a few dinosaur items up to this point but without being on this site, I doubt I would have made any attempt at starting this particular collection so soon. I am very grateful for the forum and its members because a lot of people really want to help. I quickly learned that our presentation will be centered on the Hell Creek fauna and we can augment it with some African dinosaurs. After a bit of window shopping, it became apparent right away that Jurassic period dinosaurs were simply too expensive for us. There is no way we will be able to purchase any and trades are unlikely as we just do not have much material that would have much trade value. I can live with this though. If we focus on the T-rex/Ceratopsian fauna of Hell Creek we are giving kids species they know plus introducing them to new species which I am totally cool with. We also decided we could talk Triassic dinosaurs with kids using Bull Canyon fossils. Now I am an avid reader here so I am aware that there is some debate about the species that are found in Bull Canyon and how things are labeled by dealers but I did pick some up because we want to teach kids about the evolution of dinosaurs and to give them a few species that have never heard of. I can not be sure if the teeth I have are Coelophysis teeth but we are still going to present them as such to the students because it is an opportunity to get to early dinosaurs. Same goes for a "prosauropod" tooth we purchased. We are not going to sell the fossils so the correct ID is less important to us than being able to at least have a representation of early dinosaurs for the kiddos. Our early efforts were given a huge boost when a member here helped broker a transaction between another member which resulted in us having a very nice partial T-rex and a Nano. This was huge for us. We got the centerpiece species and it was super affordable. I am still in a bit of shock to be honest and incredibly grateful. We also picked up some inexpensive Hell Creek Triceratops teeth. I found a nice Saurornitholestes from Judith River which gives us a "raptor" fossil for the kids. I got an inexpensive Moroccan sauropod tooth which gives us a "long neck" that we can use. It is really not a bad start in my eyes. We picked some species that we really wanted to include. We also have begun to find some teeth that kids can handle in the form of partial or shed Ceratopsian teeth and inexpensive Spinosaurus teeth from Morocco. I only made one questionable decision. I did not use TFF and ended up misidentifying a tooth. This led us to having two Richardoesstesia gilmorei teeth. We really did not need two fossils from this species but it was a learning experience. I learned that I need keep studying, learning and using the forum. Had I put it here first, instead of testing my own skills, I would not have picked it up . I would have filled another need in the program. Lesson learned and the upside is that I do have a dinosaur fossil I can possibly trade. It is not much for trade I am sure, but maybe I can use it to get a fossil that fills a hole in the program. The most important thing I have learned so far is that I really enjoy collecting dinosaur fossils. I am hooked. I was never a dinosaur kid myself. I preferred sharks and whales but I am really captivated by dinosaurs now. I have been cramming my brain with scientific information about dinosaurs and my son is really enjoying getting a start on his dino artwork. We have a long way to go before we are ready to unleash our budding dino education program. I have a long way to go with my own knowledge too. I do know it will be a lot of fun to learn and I am looking forward to getting more interactive with the dinosaur collectors here. We have settled on the next round of dinosaurs to add (Acheroraptor, Ankylosaur, Pachycephalosaurus, a Troodontid, plus more Ceratopsian material) and they seem attainable so I am excited to get to work on those in the near future. I also learned there are species from the Hell Creek formation that are awesome but we will never have due to price or rarity lol Dakotaraptor is #1 on that list but the avian dinosaurs are not far behind. All things considered, I am super happy with our tiny dinosaur collection and I am really enjoying the hunt for more !!
  5. Hello, I was browsing through our favorite auction site, when I stumbled upon an offer for a Stegosaurus rib fragment. The price was quite low, especially compared to offers from other sellers. I generally don't trust online auctions, so I wanted to make sure what I was buying was really a Stegosaurus rib fragment. If you find that this rib belongs to another dinosaur, please tell me. Could you help me? I know the pic isn't of great quality, and I don't know if a way of getting a better photo.
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