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Dromaeosaur claw restored?
JorisVV posted a topic in Is It Real? How to Recognize Fossil Fabrications
According to someone I know. Bought this claw as an unrestored handclaw of a dromaeosaur from the Morrison formation. Near Casper. Just under 3" long. He bought without any hesitation and I am very skeptical of it. What are you guys thoughts? Again. I am definitely not buying it, just wondering.- 2 replies
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Any repair on this allosaurid tooth?
Oops posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hello everyone! I’m here looking for some advice on this tooth. The dealer says it is an allosaurid tooth from Morrison formation and there is no restoration of any kind. I’m not sure but the cracks on the tooth look suspicious as it seems that the tip is glued back on. May I please have your opinions on this one? Many thanks!- 3 replies
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Hello Recently, I saw a theropod dorsal vertebra from the Morrison FM for sale, labeled as Allosaurus. I know there are many large theropod there. What objective evidence is this call based on? I rarely see bone materials from theropod other than Allosaurus. Thank you.
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Height: 6.25 in (15.88 cm) Width: 18 in (45.72 cm) Depth: 0.5 in (1.27 cm) Found Morrison Formation Wyoming Is this a Thagomizer Spike?
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Need help with bone fragment ID from Morrison formation
CabinetOfCuriosities posted a topic in Fossil ID
I purchased this fossil bone fragment a while ago from a local shop. It's been sitting in a drawer for years, and I finally decided to try and figure out what it came from. I know that bone fragments are not nearly diagnostic enough to attribute to a particular genus or species, but a general grouping (e.g. sauropod) would be good enough for me. It comes from the Morrison formation, although any further information about where it was found was not provided to me when I bought the fossil. Is there any tips that I could use to help identify fragmentary fossils like this one? -
Hi, I got this piece of sauropod femur in February of this year as well as one more large piece, both associated and from the Morrison formation. Is there any way to differentiate fragmentary bones of sauropods from the Morrison or a way to get an identification on this individual?
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After reading the recent thread on Morrison Formation fossils, especially the reference to Suuwassea on the tables provided, I thought I’d post an image of this particular fossil from my collection. It’s an example of the carbonized dinosaur skin found in the Morrison and sometimes attributed to Suuwassea although Diplodocus sp. is probably more accurate. I think I have a few more specimens somewhere.
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Hi, these are two pieces of a femur of a Camarasaur. It was found in the bone cabin quarry in Wyoming. The first piece is 16 × 9 × 7 and the second piece is 13 × 5 × 7, measured in centimeters. The femur was found in September 2020. I just wanted a second opinion on this one as I've made poor judgement in the past.
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Hello, I came across this 1.3" tooth from the Morrison formation in Johnson county, Wyoming. Does it look like Ceratosaurus to you? I'm trying to confirm that the mesial carina extends to the base, but I think it does extend to the base (despite being worn), based on the last pic but it's hard to tell since it's out of focus. Looks pretty symmetrical and otherwise morphologically appropriate. DSDI looks to be in the 1.0 ballpark...
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Hi All, This thing comes from the Morrison formation in Crook county, Wyoming. It's about 2.25 x 1" x 3/8". Any thoughts on what it is? With the veins on both sides, I'm wondering if it's an osteoderm. Thanks!!
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Hello, any thoughts on this? Supposedly Camarasaurus vert. 9cm x 6.25 x 6.5 Found in Crook County, Wyoming. It apparently has some restoration. Any help appreciated as always!
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Hi all! I've had this tooth in my collection for a while now and I want to give a more narrow ID. It was originally sold to me as belonging to Ceratosaurus sp. and even then I knew how bold a statement that was and have had my doubts about it. My knowledge on Morrison Theropod teeth is very limited so any of your help is appreciated.
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Just thought I’d say hello to all of the people that I’ll probably be annoying very soon ! just kidding ( or am I ? )
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Hi, Quite interested in this. Supposedly Allosaurus. 1/2 an inch in length. From Morrison Formation, Wyoming. Worn tip, serrations on the back but none on the front. I am wondering if it is too small to be Allosaurus. I'd appreciate any thoughts on the tooth. Thanks
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I bought this tooth and the seller named this 'Allosaurus', but the serrations are more dense and the mesial carina stops far before the root. Is this a megalosaurid or allosaurid? Anyone can help? The base width/base length = 4.2mm/12.3mm Locality: Morrison formation, Wyoming Distal carina Mesial carina
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So my wife has a business trip coming up in Sept. I'm going with her and want stuff to do on the few days she's at the office there. End of the week we are hitting up some museum places around Morrison. I'm also thinking of hitting up the Florissant Fossil Quarry, because that's at least one place I can go and find something myself. I mean I'm certainly going to buy a few fossils on the trip because well why not. So there are a few things I'll visit without her just because I don't mind the hikes. I'd kind of like to find a few things myself and I know absolutely nothing about the area. I really don't want to get to far away from those areas because I am in a rental, have to pick her up from work, and again I don't know the area. I'll not be taking a lot of equipment because of other stuff and room in the car. I'll have hammer and chisel basically and a pack to carry stuff in. Thanks for any help. Robert
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Here is a lovely isolated theropod tooth from USA - the seller lacked all locality data, although he believed it may have been from the Morrisons formation. This lovely tooth is just over 2.5cm long and has 15 serrations per 5mm on the distal side (DC) however serrations on the mid-centre off the medial side have not been preserved. It would be lovely to ID this to some level other than theropod if possible. Serrations on the mesial side only go down 2/3rds of the tooth. There is some restoration to the tooth - if any more photos would be beneficial please let me know and I’ll try and grab some. megalosauid? Allosaurid? Tyrannosaurid?
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Camptosaurus bones - ischium, scapula
FF7_Yuffie posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hello, can anyone take a look at these? A trio of Camptosaurus bones from the Morrison Formation, Big Horn Basin --- Not associated, but all are juvenile. They might make an interesting central display piece for my collection if they seem ok. Are they as described, and does anyone spot any repairs or restoration? First - Ischium, 13.2 inches.- 8 replies
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Dear Fossil forum members, I have recently acquired this bone. It is said to have been found at Mack, Colorado. I suppose it is from the Morrison Formation. The previous owner thought it might be a Stegosaurus neural arch, but now I have it in my hands I see more similarities with a supraoccipital. Especially these: (Eolambia, A and C) https://peerj.com/articles/1872/ (Fig. 12, A. Eotrachodon) https://www.nature.com/articles/s41598-019-41325-8 (Fig. 2, Q, R, S, T and their other sides, unknown hadosaurs) seem similar to me. That would indicate that my bone is probably Camptosaurus dispar, which is the closest animal to hadrosaurs to live in the Morrison Formation. However, I have not found a good comparison with Camptosaurus, nor any other Morrison Formation dinosaur. In comparison with the supraoccipitals shown above, mine is more than twice the size. Mine is about 12cm, while the other ones I found are 4 to 6 cm according to their scale bars. Is this bone a bit similar in every dinosaur or do I have a really large specimen of Camptosaurus in front of me? I hope someone can help me with this, Thank you very much in advance for your answer, Kind regards, Sander
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This purchase was advertised as an Allosaurus (half) vertebrae obtained from Ernest Shirley inventory. Matches well with exhibits 4,5,6 of the illustration from Charles Gilmore's 1920 report on Osteology of Carniverous Dinosauria... which is considered to be a 5th (?) caudal vertebrae of A fragilis (Antrodemus). I would appreciate any feedback on what details are present in this fossil and perhaps where this may have been collected, as no provenance was provided. There are small pits visible in the side view which may be fossae. I have seen photos of similar looking specimens with a gemmy "peacock" internal preservation. The external surface is black silica while internal details are calcite/dolomite based on the reaction with acid.
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Hey everyone, How do you tell the difference between the teeth of theropods from the Morrison formation, such as Allosaurus, Torvosaurus, Marshosaurus, and/or Ceratosaurus? Any information is appreciated! Thanks!
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Its a solid specimen with interesting internal structure. Does not look like bone. Maybe section of horn sheath or body armor?
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Bony core present. Much of keratin sheath preserved as creamy green. Bottom has distinct flattened profile and the keratin is heavily fractured (see picture - toe2 left edge, toe3 right edge) Top profile exhibits clockwise curve. Jurassic, Morrison, Four Corners.
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- four corners
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