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Found 16 results

  1. 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
  2. Hi everyone! Past summer I visited London for a comic con, but I always try to visit the NHM as well when I am in London. Luckily this time I had an entire day stretched since I also wanted to make some photo's of the collection and I thought, why no share it here. A bit overdue but let's start with my most recent visit to my favorite place on earth: The amazing thing about the NHM is that the entrance is free, but since I like to support the museum and don't like to wait for hours in line I always book a ticket for the current special exhibition which was the Patagotitan skeleton currently on display. I entered from the side entrance were I was greeted by Sophie the Stegosaurus stenops which is the most complete skeleton ever found. Before we headed to the Titanosaur exhibition I came across this cool new Jurassic World Shop with everything JP & JW merchandise. I got myself a 30 year anniversary gilded ticket from Jurassic Park as a souvenir After our quick detour we entered the new temporary exhibition: Titanosaur: Life as the Biggest Dinosaur The actual Patagotitan mayorum femur found in the La Fletcha Ranch, Patagonia, Argentina - Cretaceous, Albian, 101.62 mya Patagotitan scapula, humerus, ulna & radius found in the La Flecha Ranch, Patagonia, Argentina Haestasaurus becklesii skin impression found in Hastings, East Sussex, UK - Cretaceous, Valanginian, 140 - 133 mya Titanosaur coprolite found in Maharashtra, India - Cretaceous, Maastrichtian, 72 - 66 mya Patagotitan mayorum tooth replica
  3. 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
  4. Fossil Collect

    Hesperosaurus mjiosi?

    Hello, Is this a Hesperosaurus mjiosi fossil? It was collected in Bone Cabin quarry Wyoming and measures 8 x 8.5 inches. Thanks
  5. Tidgy's Dad

    Dino Wars

    https://www.bbc.com/future/article/20230119-the-dinosaur-feud-at-the-heart-of-palaeontology
  6. 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,
  7. https://www.theguardian.com/science/2022/mar/04/early-stegosaur-fossils-may-shed-light-on-stegosaurus-evolution Scientific paper here: https://www.tandfonline.com/doi/full/10.1080/02724634.2021.1995737
  8. Hi all, I have 3 teeth here I need help with The first is a Stegosaurus tooth: It comes from Wyoming, USA. Morrison Formation. It looks like a Stego tooth to me in terms of size and morphology, based off this thread > --- Next, a supposed Barosaurus tooth: It comes from Sundance, Wyoming. Morrison Formation. I cannot find any good literature on Barosaurus teeth. This tooth doesn't seem to have the spade-like shape I usually associate with Camarasaurus teeth. --- Lastly, there is a sauropod tooth from the Cloverly Formation: It comes from Montana, USA. Cloverly Formation. I presume it is a Titanosauriform indet. based off these two papers: https://www.researchgate.net/publication/254315252_The_Beginning_of_the_Sauropod_Dinosaur_Hiatus_in_North_America_Insights_from_the_Lower_Cretaceous_Cloverly_Formation_of_Wyoming https://www.researchgate.net/publication/236886285_Vertebrate_Paleontology_of_the_Cloverly_Formation_Lower_Cretaceous_I_Faunal_Composition_Biogeographic_Relationships_and_Sampling Can I have your thoughts on these 3 teeth? Thank you. - Andy
  9. Hello! I see these spikes from Atlas mountains. I read about stegosaurus (Adratiklit boulahfa) in this formation. Could be a stegosaurus thagomizer? Thank you so much!
  10. hadrosauridae

    Happy Independence Day!

    Happy Independence day to all my fellow 'Mericans.
  11. dinosaur man

    Stegosaurus sketch

    Hi I just sketched this yesterday and would like to share it.
  12. I am looking into building a project for my partner, and she loves the Stegosaurus...so I go looking at whats out there....seems like fossil dorsal armor plates are extremely pricey and other fossils are rare. I know many of them come out of the Morrison Formation and I found some small fossils for sale that claim they are neck scutes...but they are VERY small and the price seems ridiculously low for how rare they are supposed to be. Is there anyway to tell if these are real and actually from the correct species?
  13. PointyKnight

    Ornithischian Vertebra

    Hey everyone, recently came across this partial vertebra from the Kimmeridge Clay online, apparently collected south of Oxford. It measures 9.5cm x 8.5cm. The seller tentatively identified it as a Stegosaurid based on the internal pattern visible on the polished side, and subsequently assigned it to Dacentrurus, since it's the only Stegosaurid fitting the time and location. I tried to find more information on these supposed patterns indicative of Stegosaurs without much success, so I'd like to ask: › Is the vertebra actually identifiable on a family level? › If so, what are the defining characteristics and where could I read up about them? Thanks for your help!
  14. Hands are very important to everyone including Dinosaurs .. here are some photos of your not so ordinary ones ........both herbivore and theropod. Some pretty cool configurations.. Paper on the evolution of Theropod dinosaur Hands https://onlinelibrary.wiley.com/doi/full/10.1111/joa.12719 The evolution of the manus of early theropod dinosaurs is characterized by high inter‐ and intraspecific variation Daniel E. Barta, Sterling J. Nesbitt, Mark A. Norell First published: 08 November 2017 https://doi.org/10.1111/joa.12719 Have to thank Joao Vasco Leite for a bunch of these photos and info.from Twitter From the Triassic dawn of Dinosaurs here is the left hand of Herrerasaurus from Argentina Also from the late Triassic a sauropodomorph Plateosaurus, a beautiful specimen From the Early Jurassic of Argentina the ariticulated hands of the sauropodomorph Adeopapposaurus , wow The Jurassic brought us Dilophosaurus and sorry Jurassic Park fans there is no conclusive scientific evidence that it could spit poison Staying in the Jurassic here is Allosaurus and the different growth stages of its hand claws Also from the Morisson the tiny hand of the herbivore Camptosaurus The Jurassic also brought us the exquisite left forelimb of the stegosaur Gigantspinosaurus, from the Zigong Dinosaur Museum Stegosaurus hand material is quite rare, especially fairly complete ones. Morisson Formation One of the classics, first described by O.C. Marsh back in 1884. The left hand of Ceratosaurus. The bone to the right is metacarpal I, the first bone of the "thumb" . Have to wonder what it was used for. The Late Jurassic theropod Tanycolagreus ..cast From the early Cretaceous the hand of the recently described alvarezsaurid, Bannykus from China Also from the Early Cretaceous of Utah the left hand of Cedrorestes an iguanodontian Everyones favorite the hands of Deinonychus
  15. Mahnmut

    Dinosaur Postures

    After the satisfying outcome of my sloth-experiment (changing geoworld megatherium to Thalassocnus) I took another look at some older dinosaur models. Sauropoda- Giraffatitan: "Edutoys Brachiosaurus", added teeth and one cervical vertebra to give him a more erect pose, Changed cervical ribs from medial "monorib". changed leg pose. Thyreophora- Stegosaurus: Glencoe models , changed tail and thagomizer to more modern pose Ceratopsia- Triceratops: Kaiyodo "Wild rush" gave him a treetrunk to look over. Ornithopoda- Parasaurolophus: Geoworld, drilled out intercostal plastik. painted it. Theropoda- Spinosaurus: had it 3d printed. I wonder if I should give it a swimming pose, what do you think?
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