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  1. ThePhysicist

    Bull Canyon Theropod?

    Hi y'all, found this partial tooth in micromatrix from the Triassic-aged Bull Canyon formation. Serration density looks to be 9-10 / mm on the dc. Could it be dinosaurian?
  2. ThePhysicist


    From the album: Aguja Formation

  3. AJ the Tyrant

    New tooth arrived!

    Eocarcharia dinops (anterior tooth) Elrhaz formation, Gadoufaoua, Ténéré Desert, Niger 67mm
  4. Joseph Kapler

    Theropod Tooth Identification

    Here are two addition teeth from the Hell Creek Formation of Custer County, Montana. I believe they are from a juvenile T-rex. The first tooth is either a maxillary or dentary tooth. The second is a either a pre-maxillary or pre-dentary tooth. I would appreciate any thoughts on the taxonomy and jaw position. By the way I use these teeth for teaching Fossil Friday classes to kids. I apologize for the photos; for some reason I was having camera problems.
  5. I know that Acro stuff is quite rare and hard to come by, but I was wondering what the best spots in Texas are to find such fossil material. I live in the state, so it would not be too much of an issue to travel to a spot or two to hunt for these theropod fossils. To sum it up, my question is: what are the best spots in Texas to legally hunt for and collect Acrocanthosaurus fossils/teeth (preferably without heavy duty tools or machinery)? If there are any, it would be much appreciated if you list the formation and location.
  6. Joseph Kapler

    Theropod Tooth Identification

    Here are two teeth from the Hell Creek formation of Carter County, Montana. Both that been Identified by others as belonging to Nanotyrannus. The first tooth is similar to the one I posted yesterday which comes from a different location. The other is a front tooth. I would appreciate any thought on taxonomy and jaw location, including yesterday's post.
  7. Joseph Kapler

    Theropod Tooth Identification

    Any thoughts on taxonomy of this tooth? It was collected from a horizon in the Hell Creek Formation, Powder River County, Montana that was said to contain Nanotyrannus remains.
  8. Hi TFF, I am a Dromaeosauridae enthusiast and have been collecting online for a little while now. I want to thank the members here for getting me educated on so many aspects of fossil teeth identification. I want to share my small collection in the hopes this is helpful for some of you in the future. Your critical input is highly appreciated, as always! #1 First up, one of my treasures, a robust Deinonychus antirrhopus tooth from the Cloverly Fm. A big thanks to @StevenJD for letting go of this one – much appreciated! Note the asymmetry in the placement of the carinae
  9. Joebiwan3

    Hell creek theropod tooth

    I have this tooth that i believe to be a small nanotyrannus but i just want to get confirmation so let me know what you think everyone. Its from the Hell Creek Formation. Garfield Ct. Montana. Its CH is 11 mm Serration count: Distal 12 per 3 mm Mesial 15 per 3 mm The base of this tooth is beat up so its impossible to see if it would have had that rectangular pinch that is characteristic of nano teeth. There seems to be no twist of the mesial carinae In my opinion the serrations look peg like as seen in nano teeth.
  10. Joseph Kapler

    Theropod Tooth Identification

    Any thoughts on what Family of theropod this tooth might represent? It comes from a trusted source and was collected from the Kem Kem near Taouz, Morocco. Thank you for your comments on my previous submission, especially Troodon.
  11. RCFossils

    Help With Hell Creek Theropod Bone

    I’ve been going through some material that I collected this Summer in the Hell Creek of Southeastern Montana. I have this little theropod bone (measures approximately 14 centimeters). It is missing one end and has a little damage to the other. The bone is covered in a layer of siderite. I know that it is not much to go off of but am hoping someone might have an idea what it is. I can provide additional pictures if needed.
  12. Hi everyone! I've got one more tiny hell creek tooth that I need help on. I didn't even think there was any mystery to it until I took a really close look at it. I acquired it as part of a set of Paronychodon teeth which are pretty distinctive looking and at first glance I though that's what this was since it's a small theropod tooth with the prominent lines going up the side (I forget what they're called) and with really nice serrations and wait..... Paronychodon doesn't have serrations. At least I don't think it does. I looked around to see if there have been any documented serra
  13. Hi everyone! I could really use a second opinion on this one. I'm thinking Dromaeosaur Acheroraptor at first but after looking at more pics I'm not sure if it might be Ricardoestesia or possibly even a juvenile Dakotaraptor. It's Hell Creek, about .35 inches. Serrations don't veer off to one side near the base so I really don't think it's a baby Nano. If pictures from another angle are needed to make an id let me know. Any feedback is greatly appreciated as always!
  14. Hi I’ve seen this claw for sale and is listed as coming from France and belonging to a theropod dinosaur known as Variraptor. Does this look like a theropod dinosaur claw to anyone else?
  15. patrickhudson

    Attempt at Dino displays

    Decided to attempt some DIY Dino displays today. Happy with how they turned out - as long as my three year old doesn’t get ahold of them. I’m going to try the claw mount with some natural wood, maybe beach wood, in the future and spend a bit more time on it - but the first try worked out somewhat. All personal Montana finds with my buddy and my 12 year old daughter. All teeth are 100% natural except the largest brown one which has some minor repair, and the claws which have tip repair. also - I get that the tarsal bone (?) doesn’t fit the claw, but I’m no purist - and not that sma
  16. Tigereagle12345

    Potential T. Rex Bone?

    I found this bone on a fossil hunting trip in North Dakota, it was identified as a theropod, probably a T. Rex. Can anyone verify this claim? Thanks for any responces! (The ruler is mesuring in centimeters)
  17. So. I need an answer before I buy it, it’s listed as a “allosaurus libratus” from the Judith river formation in Wyoming. This makes no sense to me. Is it an allosaurus, albertosaurus, or something else?
  18. jikohr

    Dinosaur tooth id help

    Hi everyone! A little while a go I bought some Tyrannosaur tooth fragments from the Judith Hill formation. They all looked correctly identified but this one looks a little funny to me. It's definitely a partial theropod tooth from Judith Hill formation of Montana. I just would like another look at it. It's a little less than an inch long.
  19. LordTrilobite

    Fun with 3D Printing Fossils

    So recently my father bought a 3D printer and we've been experimenting printing some cool fossils for a while now. It's a really cool technology. Though it can take a while to print a piece the results are really quite cool. A life size Archaeopteryx can take a few days to print if you don't keep printing during the night. Finishing up the prints afterwards can also take a bit of time. Cleaning off all the supports and sanding down rough surfaces can be quite the process. Then there's painting depending on the desired result of course. There are actually a lot of nice things that c
  20. DenverEdge

    Kem Kem vertebra

    Looking for help on id for this vertebra from The Kem Kem beds. It is 1 inch x 1.2 inch x 1.2 inch. Feels exceptionally light at 13.8 grams sounds hollow you can hear sediment rattle inside. Unfortunately it appears fairly damaged on one side. Side 1: Bottom: side 2: top: Front end? back end?
  21. LordTrilobite

    Kem Kem Vertebrae ID Thread

    So, lets figure out vertebrae from the Kem Kem beds. As many of you know the Kem Kem beds has a pretty enigmatic palaeo fauna. There is some literature about it, but not a whole lot. Some of it is behind a paywall and much information is pretty scattered. So I got this idea that maybe we could combine our knowledge and information to collectively get a better picture of which bone belongs to which animal, in this case, vertebrae. I know some of you have some fantastic specimens in your collections, if we combine these in this thread we might be able to see some patterns. We probabl
  22. Hey! I’m thinking about buying this possible Eocarcharia dinops tooth. I want to make sure that it is completely authentic and correctly identified. It does say it is from the Elrhaz formation in Gadoufaoua, Niger, but I just want confirmation (if possible because identifying theropods from Niger can be quite difficult) that this indeed an E. dinops tooth.
  23. ThePhysicist

    Theropod tooth fragment

    From the album: Aguja Formation

    Finally, a theropod! It's just a fragment, however.
  24. I recently purchased a Theropoda indet. tooth from the Lourinhã Formation of Lourinhã, Portugal. I wasn't expecting much initially since it looked like an incomplete tooth and the seller tends to go the safe route with their IDs if it's too vague. But, the serration count was similar to that of the Marshosaurus-like megalosaurid teeth based on @Troodon's guide on the dinosaurs of Portugal. Maybe it's just wishful thinking, but I wanted to see if anyone else had some input before I slap that good old theropoda indet. label on the display. The distal serrations is split d
  25. Here is the description of a new welsh theropod Pendraig milnerae. Found in the 1950s in the same fissures as pantydraco, the “new discovery” is a type of coelophysidae and it had laid undiscovered in the drawers of The Natural History Museum in London. https://royalsocietypublishing.org/doi/10.1098/rsos.210915 We are on a roll with Welsh dinosaurs: Megalosaurus (Zanclodon) cambriensis Pantydraco cauducus Dracoraptor hanigani Pendraig milnerae And not forgetting the Triassic mammal Morganucodon watsoni
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