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  1. Hi, I’ve been wanting to prep some Morrison formation material for a while now however I’ve never prepped Morrison stuff. I have prepped many Hell creek and lance creek fossils. So what are the best tooth for preparing Morrison formation material specifically things like sauropod and theropod vertebrae’s? Thanks!
  2. Hello! Does anyone know any good locations for hunting for dinosaur teeth and bones in the Morrison formation formation specifically in the Colorado and Wyoming area and any good locations for the Hell creek formation in South Dakota. I understand fossil hunters are reluctant to share this information but any information helps!
  3. Hey there, got a pickle for y’all. This one was given to me and it was said it was from Dakota sandstone in central Utah. Not sure if this means the Naturita Formation, very low Mancos Shale, or very high part of the Morrison formation. I was thinking it was a vertebra but with how deep the curve is I am wondering if it is a toe or extremity bone or some sort? added some closeups of it under a microscope, varied from 600x to 2000x magnification
  4. Hello, I have what was traded to me as an ornithischian jaw from the Morrison Formation of Wyoming. It measures 5 cm high and has 2 teeth sockets. I believe it may be a Camptosaurus (due to being the only large ornithischian there) partial jaw, but I cannot exclude the possibility of it being a partial theropod jaw. May I have your thoughts? Thank you.
  5. Fossil Maniac

    Is this a Camarosaurus tooth?

    Hello! I am interested in purchasing this sauropod tooth labeled as a Camarasaurus from Kaycee county Wyoming. This tooth looks very odd to me and doesn’t really look like a Camarasaurus. If it is a Camaroasaurus more information on the species and where the tooth was in the jaw would be great! Thank you!
  6. Hi and thanks for looking at this. While looking for shark teeth in Northwestern New Mexico, I coaxed out a nodule that had half weathered out of the lower section of a sandstone ridge. It was fairly large (approx. 2ft diameter) and was crumbling apart, so I only grabbed the big piece as I thought the quartz looked pretty cool. It cracked open on the ride home and revealed what I think is a fossilized bone. It is a small bone and I'm not sure it can be identified; maybe a confirmation that it is actually a bone fossil would be great. The pictures are terrible right? This phone....
  7. EvolEd

    Camptosaurus Ischium

    Hi folks, I just wanted to share my latest addition to the Jurassic wing of my humble collection! This is a beautiful near complete Camptosaurus ischium. It has great bone quality despite being extremely fragile. It's about 14" long and is just missing some of the flanges but is otherwise complete. The Morrison Formation is one of my favourites and I'm extremely lucky to have secured this specimen, as they don't come around very often in all my years of scouring the internet. I absolutely love it Cheers Marcus
  8. creepyspiderlady

    Type of Dino ID possible from vertebrae?

    My dog and I were out rock hunting in Utah, right outside the dinosaur national monument park boundaries and she started digging furiously at a rock that I had tripped over. I looked back and I couldn’t believe what was sticking up out of the ground. It was a Dino bone vertebrae! I was in complete shock! I helped my dog clear the earth around it and found more and more pieces. Whole pieces. I knew I was supposed to do something but my mind went completely blank. I took the pieces that we had found to a paleontologist that lived on the same block as me. He told me that ‘they aren’t interested i
  9. Hi all, new member here! I was exploring "Dinosaur Ridge" in Colorado near Red Rocks and found this interesting looking piece - any ideas as to what the cut-out bit might be? It's from the Morrison Fossil Area, which I believe produces Cretaceous period fossils. The part in question is about an inch long. Let me know if anybody needs more info/pics to help ID, thanks to all!
  10. A new and beautifully preserved Crocodyliform from the Upper Morrison Formation of Wyoming. Amphicotylus milesi A new goniopholidid from the Upper Jurassic Morrison Formation, USA: novel insight into aquatic adaptation toward modern crocodylians | Royal Society Open Science (royalsocietypublishing.org)
  11. Bacula

    Colorado coprolite?

    Hello I'm Andy. I've been on the collecting scene for about a year. I live in the foothills on the Eastern face of pikes peak. I have found many baculites and some ammonite pieces and all my treasures have been found while walking my great dane. This one is beyond what I've read over the last few months. And help you can give me is greatly appreciated. Thanks
  12. Paper by Phil Mannion et al. that supports the validity of the 24 recognized Sauropod species in the Morrison Formation. Some authors have suggested this number is well overestimated and represent growth series. https://royalsocietypublishing.org/doi/10.1098/rsos.210377
  13. Hi Everyone - I came across this Camarasaurus vertebra and was curious how much restoration has been done to it. I'm trying to train my eye for Morrison Formation material which can be a little tricky . Camarasaurus Tail Vertebrae Jurassic (145 Million – 155 Million Years Ago) Morrison Formation - Wyoming 4 1/4" long Thanks for taking a look!
  14. Quick guide to help identify a few Sauropod teeth from the Morrison Formation. Corrections and additional info always appreciated Please Note: Variations in the morphology of these teeth can vary significantly do to, species, jaw position and ontogenetic changes. This is just a high level guide. Camarasaurus: - Crown is wider than the root - Anterior Teeth are spoon-like and symmetrical, mid and posterior teeth are asymmetrical - The crown enamel ends sharply where the root begins - Wear facet, if present, can be on both sides of the tip
  15. Billymachi

    Animal or Vegetable?

    This is a rock shop purchase. The owner is an expert in dinosaur gembone from the Morrison. He also deals in Hermanophyton ferns, etc so he also knows a bit about paleobotany. But this piece was a mystery to him. Its very well agatized and the fine details are preserved. At first it looks like a limb cast. The exterior is coarsely wrinkled, like bark. The cross-section does not preserve a convincing ring of a bark layer, but there is some kind of concentric character. It has some characteristics of a limb bone. The geometry and size fit that t
  16. Spinodude

    Morrison Formation toe ID

    Got a bit of a potential challenge here today! I recently bought this little toe bone (phalanx or metatarsal I guess) online. It was cheap, I guess because it doesn't have anything in terms of location/age other than Morrison Formation. It is about 6 cm long, 6-ish on its widest point and about 5 high at the highest point. It is quite heavy and stubby. Slightly distorted at the front and the circular parts at the front are partially worn off. Has a piece knocked out of it. Which is kind of neat because you can see the internal bone structure in that part. But the main question of c
  17. Hi, this just arrived along with a few other teeth, and I was wondering if it was possible to identify which species it could be. It’s a Crocodile indet. tooth from the Morrison Formation Is all I know. Thank you for any reply’s
  18. Here is some of my first 6 months of fossil collection ! ( some still in transit oversea ...) First of all I really enjoy spending time in this forum and I feel very lucky to be member of this forum ! some of my collection was ID by you guys Soooo...LET get started ! KEM KEM the mystery - My First Dinosaur fossil .... Abelisauridae tooth ! MY BEST theropod tooth in my collection ! My Mystery vertebra from Kem kem ... possible Theropod vertebra Sauropod tooth << Rebbachisaurus tooth from kem kem
  19. Back In Time: Fremont County farmer discovered multiple dinosaur fossils in Garden Park https://www.canoncitydailyrecord.com/2020/11/22/back-in-time-fremont-county-farmer-discovered-multiple-dinosaur-fossils-in-garden-park/ https://www.newsbreak.com/news/2107473763723/back-in-time-fremont-county-farmer-discovered-multiple-dinosaur-fossils-in-garden-park Carpenter, K., 2002. Guide to the major dinosaur sites near Cañon City, Colorado. Trilobite Tails, 19(3), pp.7-17. https://www.researchgate.net/publication/314891708_Guide_to_the_major_dinosaur_sites_near_
  20. Since I live so close to the famous Morrison Formation I thought I would start doing some research on what it's like to fossil collect in it because I'm seriously considering finding a way to gain access to some private land and do a little bit of collecting. I have heard it said once that the rock of the Morrison is hard and requires special tools to dig in, and that consequently it's impossible to prospect for fossils in the Morrison the same way you would in, say, the Hell Creek Formation. How true is this? Is the only way to fossil collect in the Morrison to be in a quarry? My
  21. Found in New Mexico on private property, not far from Morrison Formation...Circled in red highlighter is what appears to be a talon...last photo is of the opposite side..
  22. Is possible a diplodocus tooth from the market, to belong to genera like Seismosaurus (yes i know, Seismosaurus now is the Diplodocus hallorum), Amphicoelias, Supersaurus or other diplodocid largest and more "exotic" than the common Diplodocus?
  23. 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 toot
  24. lone5wolf117

    Sauropod tooth ID

    Hello lately i have this sauropod tooth from morrison formation, size is 15/32″ what sauropod would it be form?
  25. Paleostoric

    Stegosaurus Tooth?

    I acquired this tooth some years ago, and it was labeled as a stegosaurus tooth. However, I am having some difficulties distinguishing if it indeed comes from a stegosaurus or perhaps an ankylosaur or nodosaur. It comes from the Morrison Formation of Wyoming. Each tick mark on the last pic is a mm. What do you all think? Thanks!
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