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  1. M3gal0don_M4n

    What is this fossil tooth found online?

    Hello all! Here I am with yet another question the same as all the other ones I ask. “What is this fossil tooth?” I found it online. I believe it to be a theropod, but can anyone officially identify it? It was found in Hell Creek, if that helps. If I can find out in the next 3 days that would be great, as that is when it is going.
  2. By combining several analytical methods, including machine learning, to assess the diversity of a collection of theropod teeth from the Kem Kem beds, researchers found a tooth that could possibly be assigned to Deltadromeus agilis. https://www.tandfonline.com/doi/full/10.1080/02724634.2024.2311791 https://www.uu.nl/en/news/higher-carnivorous-dinosaur-biodiversity-of-famous-kem-kem-beds-morocco
  3. Hi! This is a 19MM rooted theropod tooth from the KemKem group. Sold as an Abelisaurus. But would it be possible to be a Baby rooted Carcharodontosaurus tooth? Not sure.
  4. Frightmares

    Aguja Formation Tooth ID

    Found this tooth in my Aguja Formation micro matrix. It's about 6mm in length. I know it's in really rough shape, and I actually broke it in half attempting to get pictures of the distal/mesial sides. Can anyone give me an idea of what it may be? Could it be a theropod tooth? I don't see any evidence of serrations on either side. Sorry if the pictures are not the best. It was extremely difficult to take pictures, especially after it broke in half. Base of tooth Distal Mesial
  5. ThePhysicist

    Pectinodon identification

    From the album: Hell Creek Formation Microsite

    Identifying features of the troodontid, Pectinodon. The illustration is the holotype, adapted from Carpenter 1982, the color image is a specimen in my collection. These are thought to be anterior dentary teeth; medial/posterior positions lack the lingual pitting, and may have fine serrations at the base of the mesial carina. Carpenter, K. (1982). "Baby dinosaurs from the Late Cretaceous Lance and Hell Creek formations and a description of a new species of theropod". Contributions to Geology, University of Wyoming. 20 (2): 123–134.
  6. Got a new box of mixed KemKem material the other day; plenty of Spino, Carch, small theropod, croc, fish, and other usual suspects, but I can't put a name to this one. I'm fairly sure it's theropod, but since there is so little info available, it's hard to say which one. Anyone recognize this little fella? It's 32mm long by 21.5mm at the widest point; the grid squares are 1"/25.4mm. I can take additional pix if needed. Thanks!
  7. Hello guys, I have a question: what are the rarest theropods in the Elrhaz formation? And what are the rarest herbivore fossils from the Elrhaz formation? I want to expand my collection whith some teeth from there. If somebody knows, let me know.
  8. Hello, i have a question : are herbivore fossils rarer than theropod fossils? Because i saw many theropod fossils, but nearly no herbivore fossils on the fossil markets, which makes me wonder .
  9. Hi all, I recently bought this partial theropod tooth form the Lourinha Formation (Portugal). Height ~1.1 cm. The distal serration density is 8-8.5/5 mm, the mesial serration density is 7.5-9/5 mm. Crown ornamentations are present and I think also interdenticular sulci. I looked at an old post of Troodon (see below). Are there any other known theropods from this location, besides Torvosaurus, that have a crown serration density < 9/5mm? Any thoughts?
  10. Hi All, I found this tooth sifting in one of the Cretaceous brooks in Monmouth Co., NJ. during a trip around November last year I wasn't sure what it was at first (initially thought talon possibly from something more recent), however after showing photos to a few local folk more familiar/knowledgeable with the fossils in this area (Thanks @frankh8147!), the consensus was, it's a very compressed Mosasaur tooth. Makes sense as Mosasaur teeth can be found here on occasion, and this tooth has several common features. However, I've had a couple individuals suggest theropod tooth when I initially shared it in a couple groups back in November. This was based on the compression of the root. I'm still leaning towards Mosasaur, but recently a different person brought up the theropod theory, so I thought why not throw it up here for opinion. Multiple photos, some redundant (have done a couple "photo shoots" with this one lol). If photos of any specific area would be beneficial, please let me know. Thanks in advance for your feedback/opinions! Truly appreciate the help.
  11. Howdy all, Anyone willing to trade me an Appalachiosaurus, or any black creek theropod tooth? Been dying to get one.
  12. TankerSteve

    Fossils from rock shop

  13. Hi, Was wondering what this could be. It is 19cm and I suspect it could possibly be from a theropod, but it might instead be something else. Thanks!
  14. Hello, Anyone have any thoughts on this I am interested in? A small theropod tooth from Brook Bay, Isle of Wight. 0.43cm so it is a tiny tooth. Small, just visible serrations. Oval base. Wondering if someone can narrow the type down. cheers
  15. prehistoricpeasant

    Theropod toe bone. Any ideas what kind?

    Theropod toe bone found in the Hell Creek formation Montana. Any ideas what kind of raptor this is from?
  16. prehistoricpeasant

    Is this a theropod claw?

    Found in the Horse Shoe Canyon formation (Alberta) with several bones including theropod teeth. It has the right shape and size to be a claw. Any ideas? About 1 inch long
  17. musicnfossils

    Tiny Theropod Claw

    Found this super, super small claw today. Just over half an inch in length. Looks kind of ornithomimid but I’m not sure. Anyone have a better guess? dinosaur park fm
  18. ThePhysicist

    Coelophysoid? Theropod

    From the album: Triassic

    From the "dawn" of the Dinosaurs, this small tooth represents an early theropod. Unlike the other serrated archosauriform teeth present in the formation, this tooth is ziphodont - thin and labio-lingually compressed - the archetypical tooth form that most theropods adhered to since their beginnings.
  19. Hi, I saw this listing for a Neovenator tooth from the Isle of Wight UK, found in the Wessex Formation, and was just wondering if this tooth could indeed be from Neovenator, or if it is a theropod indet (might be hard to tell since it is only a partial tooth). Striations partially remain on one side and the tooth is about 3cm. Thanks!
  20. Fullux

    Megalosaur?

    Howdy all, I'm interested in this tooth which has the ID of "Afrovenator abakensis," though the seller makes sure to note that this is not a concrete ID. I'm curious as to how I'd be able to identify this as a megalosaur and possibly an afrovenator. Locality is Nafanfo, Agadez, Niger.
  21. Hi everyone, I got a theropod tooth in Madagascar recently, but I can't clearly know what it is. Any idea about the id? Thnaks! M serration 6/mm D serration 6/mm CH 14.5mm cbl 6mm cbw 4.5mm M serrations extend to the base(I can see under the micro view but can't take a clear photo sadly) also a little fold near the m side surface of the crown. Location is: Near Kamoro river, Madagascar Isalo III fm seller is 100% sure from Jurassic period
  22. Othniel C. Marsh

    Deltadromeus tooth

    I recently saw this tooth for sale identified as a Deltadromeus, but it looks suspiciously similar to teeth sold as "indeterminate Abelisaurid", mine included, so I thought it would be worth checking. The seller has stated the tooth is "17mm x 10mm at the widest points". No other measurements were given. Thanks in advance for any guidance Othniel
  23. Ericlin

    Hell creek digits and claws

    Hi everyone, I brought a small collection of hell creek digits and claws, and wanted some help with identification. They come from Garfield county and are mostly small. Appreciate any help and thanks a lot ! first is a tiny claw, theropod or bird?? Measures about .375in second one looks like a theropod claw? Maybe dromeosaurid or struthiomimus ? .5 inches third one is a little over a inch, maybe pachy/thesce? 4th one not sure what species 1.25inch 5th one 1 inch. Turtle? 6th theropod? Dromeosaurid? Troodontid? 1 inch 7th a 1.25inch digit not sure what species. again thanks for all the help, I’m not very comfortable with identification of digits and claws yet :).
  24. Thankfully, Morocco offers Theropod Teeth at reasonable prices. They are quite attainable. These 2 teeth, were sold as; Spinosaurus Sp., and Carcharodontosaurus Saharicus. I am aware, that the Spinosaurus tooth has likely been repaired. I believe the Carcharodontosaurus tooth, has not. Hopefully, these id's are correct?
  25. Hiya everyone. Want some opinions on this egg it’s from an old collection and from a reputable seller in the uk. I know a lot of shell is missing but any help on the legitimacy of the egg would be great. cheers
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