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Found 14 results

  1. 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
  2. On Sunday I took a trip to the Natural History Museum in London. I queued up before it opened at 10am and even before then there was a long queue. I have not visited this museum since I was a child and spent an entire day there (10am to 4.30pm - a long time). I was surprised as it is a lot bigger than I remembered and there was so much to see. This place has the most wonderful things and is an incredible place to learn. The museum showcases a Baryonyx, Sophie the Stegosaurus (the world's most complete Stegosaurus) and more! The moving Trex and Deinonychus are also really realistic in the way they move. If you like your dinosaur teeth, the Megalosaurus and Daspletosaurus teeth are out of this world! There is something for everyone in this museum and I would highly recommend that you visit here if you have not already! A lot of the dinosaur specimens are casts taken from other museums but they are still cool to look at. I had taken the photos on my SLR and due to the size of the photos I had to reduce the quality of them to be able to post on the forum which is unfortunate but it's the only way otherwise the photos would take a really long time to load. There are more non-dinosaur related photos that I will be posting at some point later on but may take me some time to pick out. Enjoy the photos from this section of the museum! Blue Zone Dinosaurs (has a mix of some photos of crocs too)
  3. I found this listed as a Stegosaurus stenops ischium (looks like a left illium to me) found in Moffat County, Colorado. It looks mostly real to me, but definitely has some restoration in two places (marked in red) (edit: the smaller area looks like it might be only one side). Is the rest of it all real, or am I missing anything? Something about the area between the restored areas looks slightly off to me, though I lean a bit toward real on that. (edit: removed question on value) I would of course prefer something with no restoration, but Stegosaurus fossils are awfully hard to come by.
  4. Ok, so I know these are kinda small, but hopefully it's good enough to tell. The tyrannosaur fossil was originally compacted, so keep that in mind if there's anything that would be attributed to that. Pic 1:unidentified tyrannosaur 2:stegosaurus 3&4:allosaurus (I know the allo metacarpal may be hard to destinguish, so I'm not expecting anything concrete on that one)
  5. What is a Thyreophoran you may ask? Its the group of armored dinosaurs that existed from the early Jurassic to late Cretaceous. Included are iconic dinosaurs like Stegosaurus and Ankylosaurus. Here are a few photos Tom Raven provided a number of photos: This image of the beautiful Kunbarrasaurus from the Cretaceous of Queensland, Australia And this photoHere's the skull of the basal thyreophoran Scelidosaurus harrisonii from NHM London And, from Beijing, the beautiful lower jaw and articulated cervical vertebrae of the Chinese stegosaur Jiangjunosaurus And the cheeky grin of the Chinese stegosaur Huayangosaurus in Beijing Possible Polacanthus teeth from Bill Blows Susie Maidment provided a photo of tiny tooth from Sophie the Stegosaurus. Crown height ~5 mm She also provided a photo the skull of the basal thyreophoran Emausaurus David Evans photo Here's Zuul crurivastator staring you down The nodosaur Edmontonia at the AMNH Here's a plate and a tail spike from the UK, stegosaur Dacentrurus, from Tom Raven Denversaurus holotype at the Black Hills Institute Gastonia at the Utah Museum of NH Skeleton of the armored early Jurassic, Scutellosaurus in the Museum of Northern Arizona
  6. Courtsey of the Smithsonian NMNH This climate model shows global temps for a year in the life of a Stegosaurus, and other species that lived 155 MYA. Climate models are made using complex physics & math and they are validated using our knowledge of climate in the ancient past and lots of data from fossils. A bit warm summer all year DZd0IutXcAA7TC-.mp4
  7. 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?
  8. Tail weaponry is nearly absent in living animals. Article and paper explores this subject Article https://www.nytimes.com/2018/01/16/science/tails-weapons-dinosaurs.html?smid=tw-nytimesscience&smtyp=cur Paper http://rspb.royalsocietypublishing.org/content/285/1871/20172299
  9. Stegosaurus Ischium

    Hello, I've been on the look for stegosaur fossils for a while. I found this on an auction site. I've no real information on it other than it was found in the Morrison and is supposedly a stegosaurus ischium.
  10. Stegosuaria bone?

    Good afternoon, Please help to identify the bone in these pictures. I was told the bone was collected in Colorado, and that it is a bone from a dinosaur in the stegosauri family - not stegosaurus itself but another in the line of dinosaurs with spiked tails, and approximately 130 to 65 million years old. I'm attaching several pictures including some that were taken through my jewelers loop. One of those shows the surface of the bone itself, three more show structure inside the bone and some crystal structures. Your help is greatly appreciated
  11. 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.
  12. My profile on: Stegosaurus

    Here is another peice of my work, this profile is on the Stegosaurus and once again I would like to see what you all think but keep in mind I kind of wrote this in a biased way, as in I used the theories I think are true without mentioning other ones so Forgive me for that. But hey, At least it's pretty simplified. Stegosaurus is one of the Most well known of all dinosaurs along with the T.rex and the Velociraptor. Despite this very, very, very, few people know what it actually looked and behaved like. For example the Stegosaurus has Sexual Dimorphism which means a difference in the males and female's. Females have sharp pointed Plates along its back while the males back plates would be rounded kind of like a squashed circle. Stegosaurus is part of the Stegosauri family that arrived on the scene in the early Jurassic and died out at the end of the Jurassic Period. Stegosaurus grew to be 30 feet long and 9 feet tall which 3 foot long plates and 3 foot long thagomizers which were the spikes at the end of the tail, that it used for self defense. Stegosaurus has extremely small heads even for a Stegosaurs, They fed on Fern cycads and Conifers which were the dominant plant species in the Jurassic period in North America. Another thing, Stegosaurus is native to North America in places such as Wyoming and South Dakota along with animals like Brachiosaurus and the Brontosaurus Stegosaurus also have a thick armor on its neck represented by thick rock like scales. While the bone plates and thagomizers in the skeleton are large, they were much larger in life as they were covered in keratin and thick sponge bone like material. It's notable to mention that Stegosaurus tail spikes called thagomizers are at the tip of the tail and unlike many archosaur tails which get thicker and stiffer near the end instead are very flexible like the tail of a monkey in order to swing around their thagomizers with great accuracy against predators, killing a Allosaur in one blow or at least wounding it badly. Fossil Records of Allosaurus show puncture woulds in areas like the leg or against the pubic bone which is part of Pelvis. These were caused by the Stegosaurus which was defending itself or a baby, Now while they have these large spikes to protect themselves they also have these large kite shaped sponge plates which were not protection but was used for Courtship for females and to confuse predators, This means it would flush blood into its plates and they would turn to bright red along with other colors, the body would likely be green or brown while the plates would have bright colors much like a Baboons Colorful face. Stegosaurus was discovered by the Famous Charles Marsh in 1877 and Stegosaurus had this very wide gap of space in between its hips and Marsh thought in this space it had a Secondary brain. Now he thought this because this elephant size animal had the brain the size of a dogs brain. He thought this was not enough and he had to had a secondary brain to help it function. Not true it did not have a second brain and no dinosaur or reptile ever had a second brain.
  13. They're In! :d

    Hi everyone, I just wanted to share pictures of the stegosaurus vertebrae and dinosaur skin I just got in the mail. I'm still blown away by the fact that I can hold these in my hand. I only have my iPhone to take pictures, so I hope they come out ok. Thanks again, Erin
  14. Nothing Is Impossible!

    Hi everyone, I wrote on here the other day when I shared my Dino skin that my dream fossil, a stegosaurus bone, would be really hard to get. I thought it was pretty much impossible. I found my stegosaurus bone, a vertebrae, at fossilera.com. I'm still in disbelief about it! A big shout out to Matt for making it possible to own a piece of my favorite dinosaur! Here's a picture of it. I can't wait to get it! Erin
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