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Found 25 results

  1. Hi I have had this Hell Creek tooth that was previously ID as Dromaeosaur (possibly Dakota Raptor) for a while and the other day I decided to get my magnifying camera out to take a deeper look at the specimen as I have heard that some Dromaeosaur and small Nanotyranus teeth can be quite challenging to tell apart from one another. These are the close up pics of the specimen that I am still a little unsure about: Mesial side with serration showing a little carinae twist Distal side with straight carinae that stretches down to the base of the tooth in
  2. Hi all, I could not resist and took another shot on my quest to obtain a Dakotaraptor tooth. Here the tooth in question this time: It was found in the Hell Creek Formation, Garfield County. Measurements are: CH 1,41 cm - CBL 0,68 cm - CBW 0,3 cm - denticles per 5mm are 22 mesial and 19 distal. Note the slight tilt of the denticles towards the tip of the tooth. It's the best fit I have found so far, what deviates from the dePalma description is the shape of the base, it has a pinch, but I would not consider it rectangular. As a side note, it looks exactly like the base of Acheroraptor
  3. I really hope that the photos are enough to make a good call . Size : 1.25" , Locality : Harding country , Hell creek Formation thank you in Advance ! Best regard Guns
  4. Fast. Intelligent. Deadly. The "Raptor" is perhaps one of the most famous dinosaur today thanks to Jurassic Park. To many people's surprise however, raptors are heavily feathered and nimbler than movies would have you believe. The Jurassic Park Velociraptor was merely the size of coyote in real life! In fact, their proper family name is 'Dromaeosaurid'. The largest species was Utahraptor, and it grew to the size of a grizzly bear! Dromaeosaurid fossils have been found all over the world. They first appeared during the Cretaceous, though isolated teeth have been found in the mid-Jurassic. Allow
  5. Squirrelman91

    Hell Creek Claw ID - Dakotaraptor?

    Hi everyone! I have a large claw from the Hell Creek Formation of Harding County, South Dakota that I was hoping to have help identifying. It is large enough that I initially believed it stood a chance at being tyrannosaurid, but it seems a bit more compressed than tyrannosaur claws I’ve worked with in the past - particularly on the lower ridge. The ventral surface of the claw is also distinctly flat rather than rounded, which seems unusual. Could this be a Dakotaraptor claw or is that just wishful thinking? Large Anzu perhaps? It is right around 1.75 inches across the length of the claw (sorr
  6. PetrosTrilobite

    Partialy rooted dromaeosaurid tooth?

    Merry Christmas! I see this tooth in a fossil website. The tooth have been sold, but i found it very interest. It is possible to be a Dakotaraptor or other dromaeosaurid tooth? Also the price was very good for a so rare and nice specimen.
  7. Paleostoric

    Richardoestesia or Dakotaraptor?

    Hi everyone, I just got this tooth from the Hell Creek Formation of Carter County, Montana. It was labeled as Richardoestesia, so based on the curvature, I was assuming the proper ID would be cf Richardoestesia gilmorei. However, when taking some measurements, what caught my eye was that the mesial carina appeared to end 1/3 from the base, and I started to wonder if instead this tooth could possibly be Dakotaraptor. These are the measurements I was able to get: Mesial: around 5.5-6 serrations/mm Distal: around 5 serrations/mm CH: around 16.5 mm CBL: aroun
  8. Hi all, I could not resist and purchased this tooth knowing it would be a tough call to make. It was found in the Hell Creek Fm. The big problem is the worn down mesial carina, there are however some remnant denticles I could measure, but not midline – more posterior. Taking them into consideration the tooth has distal 4.5 denticles per mm and mesial 6 per mm. The other measurements are: CH 1.47 cm / CBL 0.74 cm / CBW 0.39 cm. Based on this and the oval base I am leaning towards Dakotaraptor but might as well be a specific T-Rex tooth position.? I really need someone more experienced to take a
  9. Joebiwan3

    unidentified theropod

    Whats up all! I havnt posted in a while mainly due to just having everything all over the place since we've moved back into our house after a long time away due to renovation. I still have a ton of fossils in my collection and alot of unidentified teeth that im going to try and post on here more often.....ill be posting 2 tonight with the first being this tooth here : Its from the Hell Creek Formation, Tooth Draw Quarry , NE Butte County, South Dakota. Its CH is 13 mm The CBL is 8.5 mm Distal serration count is 3 / mm Mesial serration count is 4 / mm
  10. Joebiwan3

    Unidentified theropod

    This next tooth im posting is another one from the Hell Creek Formation. It was found in the Tooth Draw Quarry in Butte County South Dakota. Its CH is 14.5 mm CL is 5.5 mm Its got a round base I wish i could give you a serration count but there arent any so this may be a tough one. Paronychodon maybe? Give it your best guess! @Troodon
  11. Hi all, I posted this tooth for ID a while back. Conclusion was that it could be a Dakotaraptor, maybe, maybe. Since then I am going back and forth on the ID, basically on a daily basis So I decided to take more & new images, measure it thoroughly, put it up again, and kindly ask for your help. It was found in the Hell Creek Fm, Powder River Co., Montana. Measurements are: CH: 2.08cm CBL: 0.8cm CBW: 0.42cm Serration count per 5mm is mesial 24 and distal 18. What makes it hard for me to judge: the shape of denticles is between round and chisel (?), the tiny mesial denticles,
  12. Joebiwan3

    Dakotaraptor? Or nanotyrannus?

    This next tooth i just recently purchased was sold to me as a probable dakotaraptor tooth. Its from the hell creek formation in Powder River Co. MT. Its CH is 18 1/2 mm....posterior serrations are 20 per 5 mm. Anterior serrations are 25 per 5 mm. @Troodon , @Andy, @fossilsonwheels
  13. Joebiwan3

    Dakotaraptor steini ?

    This next tooth was listed as a possible dakotaraptor steini...what do you guys think? Sorry for the finger placement in some of the pictures.....from the hell creek formation in powder river co. , MT. The size is 15/16 " and Serrations on the posterior of the tooth are 5 per mm and 10 per 2 mm. The anterior serrations look smaller and look to be about 6 per mm.... @Troodon
  14. PointyKnight

    Hell Creek Metatarsal Joint Fragment

    Hey everyone, I recently came across this fossil online. It was listed as a metatarsal joint fragment, which to me checks out, but the person further identified it as a Dromaeosaurid [though they didn't specify based on what characters] and tentatively assigned it to Dakotaraptor based on size. Now I was wondering: Can remains this fragmental even be reliably distinguished from the other small- to medium-sized theropods in Hell Creek? The fossil was found in Hell Creek deposits in Wyoming [no info on the exact location], measures 30.9 x 27.5mm [not specified along which sides], and
  15. This is being sold as a dakotaraptor claw from the Hell Creek Formation of South Dakota. How does it look and could someone please tell me where on the dinosaur this claw belonged? It measures 7 by 4 by 15mm. Thanks in advance.
  16. Trying to differentiate a small to midsize Nanotyrannus and Dakotaraptor is pretty difficult. It appears that Dakotaraptor teeth are not common and sellers are quick to assign Nanotyrannus teeth to them. So what should one be looking for with the teeth It's a Dromaeosaurid so it will have similarities to Acheroraptor but there are differences. 1) Smooth Crown These teeth do not have the vertical ridges found in Acheroraptor and are larger and beefier 2) Serration Density The serrations on the mesial (outer) edge are grea
  17. Patrik.S.Olsson

    Dakotaraptor tooth

    Hi all! I stumbled upon a tooth thats for sale and labeled as dakotaraptor , what do you guys think? I know to little about raptor teeth to be able to make that call myself. Thanks! Patrik
  18. I recently added a Dromaeosaurid vertebra to our collection. I honestly did not bother with specs once I got it confirmed as Dromaeosaurid. I never asked size or what formation. I assumed it was from Judith River because it was sold as Dromaeosaurus. i knew it was going to be Dromaeosaurid indet so I was not worried about the specific ID. It is a raptor fossil so I wanted it. The vertebra arrived today and I got two very pleasant surprises. It is bigger than I thought. It is also not from Judith River or the species known from that formation. We got a Dromaeosaurid vertebra from th
  19. Fossil'n'Roll

    Dakotaraptor tooth?

    I just saw this tooth listed as Dakotaraptor. It's 3/4" long. Most of these "Dakotaraptor" teeth I see just scream Nanotyrannus, but I'm not so sure on this one. I looked at my Acheroraptor and Nanotyrannus teeth and the distal serrations look a bit more like those of Acheroraptor - especially those near the base. Unfortunately, the mesial serrations are all worn off. What do you guys think?
  20. Hello all. Seller has this labeled as a dakotaraptor tooth. After hours of my own research and still being unable to come to a clear conclusion I decided to post here for help. Troodons guide helped a great deal but I still couldn't be positive. Any help is greatly appreciated.
  21. Hello everyone, I'm new here! Are there anyone who can identify these teeth? The shop says they are dromaeosaurid, but I think these might be from Nanotyrannus. Their crown morph clearly not Acheroraptor. Many thanks in advance!
  22. Hi all, I am new to the forum and new to collecting =) I recently obtained this nice tooth labeled as Dromaeosaur sp. premax. tooth - I would like to get a more refined ID if possible. It was found in the Hell Creek Fm., Powder River Co., Montana and measures 15/16". Denticle count per 5mm is distal 18, mesial 24 (not many denticles visible mesial though). I found a thread here stating it is possible to distinguish Nanotyrannus from Dakotaraptor teeth by the shape of the denticles - however I find this very hard as rookie. Any help is appreciated!
  23. I noticed a Dakotaraptor tooth for sale and caution anyone interested in it to do a bit more homework before you buy. Dakotaraptor teeth are difficult to diagnose and can easily be confused with Nanotyrannus teeth. These teeth have been very difficult to find and are prized but be patient and be sure its the real deal. If interested my suggestion is to obtain more information on the tooth: A photo of the mesial carina. On the holotype the mesial carina typically ends 1/3 from the base A closeup pictures of the mesial and distal denticles, see below on what they should
  24. Is this a nanotyrannus tooth or a dakotaraptor tooth ? size of the tooth is one inch and from hell creek formation.
  25. This is a fossil from the Cretaceous time period, it was found in the Hell creek formation. The specimen is a little under an inch long (tried to get a good picture of the serrations). I've done some research on the differences between the species I listed in the title and I've come short of being able to properly identify it (I'm only really a rookie fossil collector).
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