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Found 1,417 results

  1. IMG_9846.JPG

  2. IMG_9845.JPG

  3. IMG_9844.JPG

  4. IMG_9842.JPG

    From the album Huge Big Brook Fossil Collection

    Mostly the crow shark teeth, goblin, mackeral were collected from big brook. Maybe some others but about 25% isnt big brook.
  5. I have a couple riker boxes of a few dinosaur teeth. Nothing super high quality; I enjoy a variety of teeth and was on a budget so I never looked for the highest quality of teeth to buy. I'm happy with a nice representative sample of the animal. I've moved away from buying many specimens now as I'd rather go out and find my own at some point, but I bought these years ago and I'm very happy with the diversity they represent. Plus as I teach geology, they are great teaching specimens for the kids to. First up is my collection of Cretaceous North American teeth from Hell Creek, Lance, and Judith River Formations. Most are dinosaurs, though there are a couple other fauna represented here to. Probably one of my favorite teeth from this box is the acid etched raptor tooth. Though I do really like the JR tyrannosaur tooth as well (I watched that one sell for more than I could hope to purchase, but it was returned as it splintered during shipping. So I bought it as a short prep project for cheap. I never filled in the cracks as I prefer most things unrestored).
  6. My friend got a tooth from the box but it’s a bit different from mines he’s wondering what shark it is if it’s a megalodon
  7. Kem Kem teeth

    Hi, just working and prep on a box full of Kem Kem material incl. some verts (will post later) and some nice teeth. below are two teeth which I would now label up as Spinosaurid indet. - can you guys confirm this? 1. a small one 2.3cm long:
  8. Location: Missouri Geological map states that the area is Pennsylvanian Found in a rock pile left by construction workers that blasted out the rock. I have found a few teeth in the area such as Petlodus, Orodus, and a few others. Previously posted on r/FossilID they gave some good insight, but I am curious to what other enthusiast think. I know its some sort of Holocephalan but I was told it could be something from Eugeneodontida I have also found another fossil near it, but i did not want to assume they were from the same shark, or if it was from a wild more modern animal Size reference, with right side having flash on while the left does not.
  9. Albertosaurus?

    I seen multiple hell creek fm teeth for sale labelled as “Albertosaurus”, though I’m pretty sure I’ve read that the only way to confirm it’s Albertosaurus is for it to be found around the Drumheller area, specifically horseshoe canyon. Is this true, making the teeth simply indeterminate tyrannosaurids or are the fossils of this animal found elsewhere? Thanks.
  10. Hi all, I'm hoping some of the resident experts here can help confirm or correct my IDs of the three fossil shark teeth and what I believe is a cetacean lumbar vert shown in the pictures below. I found these recently on a beach along the Calvert Cliffs in Maryland (Miocene exposure). Thanks for your help! For the shark teeth, I believe the the two on the left are both Carcharodon hastalis (though am more confident in my ID for #1) while the one on the right is possibly Isurus oxyrinchus though may also be Carcharias sp. All three have worn roots so I realize that may complicate the IDs. See pictures further below for scale bars and labial and side views of these. From pictures online, I believe this is a cetacean lumbar vertebra. The "bumpy" surface in the two lefthand photos also signifies that the epiphysis is missing, and thus this came from a juvenile, correct? Is it possible to further identify this as from a particular species or genus? Thanks in advance for your help!
  11. Unknown Teeth Found on Beach

    I found these teeth years ago on Kure Beach, NC. They are pretty worn so I know an ID may be tough if not impossible. Please let me know if I need to provide any closer images and/or any additional information. I’ll number these 1-5 from left to right to make it easier to discuss the individual teeth.
  12. Hi, I’ve been working on my project for a while now and I’ve decided to ask everyone to show there Alberta Tyrannosaur fossils! And if it’s teeth would you be able to put the Mesial and Distal serration count over 2mm. Thank you!
  13. Advanced technology sheds new light on evolution of teeth by Uppsala University, PhysOrg, July 9, 2020 https://phys.org/news/2020-07-advanced-technology-evolution-teeth.html Scientists trace the origin of our teeth from the most primitive jawed fish, European Synchrotron Radiation Facility, July 9, 2020 https://www.sciencedaily.com/releases/2020/07/200709141606.htm https://www.eurekalert.org/pub_releases/2020-07/uu-ats070820.php Four hundred million year old fish fossil has earliest example of teeth by Bob Yirka, June 24, 2015 https://phys.org/news/2015-06-million-year-fish-fossil-earliest.html The papers are: Vaskaninova, V., Chen, D., Tafforeau, P., Johanson, Z., Ekrt, B., Blom, H., and Ahlberg, P.E., 2020. Marginal dentition and multiple dermal jawbones as the ancestral condition of jawed vertebrates. Science. 369(6500) pp.211-216. https://science.sciencemag.org/content/369/6500/211 Rücklin, M. and Donoghue, P.C., 2015. Romundina and the evolutionary origin of teeth. Biology Letters, 11(6), p.20150326. https://royalsocietypublishing.org/doi/abs/10.1098/rsbl.2015.0326 http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.781.8298&rep=rep1&type=pdf https://research-information.bris.ac.uk/files/55864918/Rucklin_2015.pdf Yours, Paul H.
  14. Hello, I was doing a study on the T. rex and Nanotyrannus teeth specimens I had, and I wanted to compare them against a list of known T. rex teeth with measurement. The paper: Dental Morphology and Variation in Theropod Dinosaurs: Implications for the Taxonomic Identification of Isolated Teeth (JOSHUA B. SMITH, DAVID R. VANN, AND PETER DODSON) contains a list of 115 T. rex teeth. To make it easier to compare and read the data, I combined the measurements into a single chart, added colors and lines for ease of reading, and added the size and names of the T. rex used in the study Feel free to refer to the below chart for T. rex teeth measurements. I had to split the chart into 2 due to size limitations, but if you want the full-sized PDF version (25 MB), please message me so I can send it to you by email. If you have any suggestions to improve readability, or have your own data to add, go ahead and post it here! I will be posting pics and measurements of my various T. rex and Nanotyrannus teeth here @Troodon
  15. Heres a fun thread for those to show off their widest and fattest looking megalodon teeth fossils in thier collections. I'll set the tone with the widest fat boy in my collection, I don't have digital calipers but it measure roughly 5.4 inches wide by 6.1 inches long. When I close my hand together it looks even more monstrous. Share yours and join the wide boyclub Got the idea while thinking about what the widest megalodon tooth ever found measures, if anyone does know do share in this thread!
  16. Dinosaur teeth from Liaoning, China?

    The teeth below are said to be dinosaur teeth from Liaoning, China. Are they dinosaur teeth or teeth of marine reptiles?
  17. Herbivore teeth ID.

    Found these teeth with a bunch of other items on a lake beach today. Anybody know what they could be? I have some modern sheep, horse and cow teeth. None of them compare, I do not have full sets of teeth to compare either. These ones are much harder and wiegh much more than the ones I have. Any ideas?
  18. Mosasaur teeth?

    Hello all i believe these are both mosasaur teeth but wanted confirmation by folks with much more knowledge. The bigger of the two is 7/8 inches long thank you for your help
  19. Nanotyrannus?

    I'd quite like to add a new theropod tooth to my collection. I saw these three for sale, just wondering if they are Nano/theropod as described and not, say, raptor teeth. Thanks Pictures 1 - 3 is 0.56 inch. This has a more oval base, does this mean it's not nano? Because aren't there teeth more rectangular with an indented middle? Pictures 4 and 5 is 0.47 inch -- No pictures of base for this one. Pictures 6 and 7 is 1.06 inch long, but has a repaired tip and is in matrix. Any help will be great. If they check out, I will select one of these. If not, I'll have a browse for some others.
  20. 3 teeth from Florida

    Hello, These three teeth were found at a land site in Manatee County, Florida. They are a bit beat up, especially the third one, but hoping an ID is still possible. Thank you very much for looking. Cheers, Marie
  21. I know these are often composited, but if anyone can have a look, see how these are, that wpuld be great. I intend to get 1 globidens and one Mosasaurus Anceps. Ancepz I will put on post 2 1 - 15cm long from Benguerir 2 - 12 cm long --the different shading at the root, is that a sign the teeth are added? 3 - 10.5 cm
  22. Two Carboniferous teeth

    Yesterday I received a parcel from a member of the forum, containing fish and plant fossils from the Scottish coal measures, as well as a tooth which I found in West Yorkshire (UK) and sent to be prepared. My favourite of the Scottish fossils is a tooth which I am fairly confident is Strepsodus sp. Since little is known about Rhizodont teeth, it’s often very difficult to put a genus name to a particular species. Despite this, when I first saw this tooth the shape immediately made me suspect it is Strepsodus, so I decided to have a closer look at the striations. I was pleased to see that the striations look a very good match to Strepsodus sp in my opinion. I am therefore about 90% sure it is Strepsodus, and it’s the only tooth in my collection that I would call Strepsodus with any confidence. Sorry for the low quality photo, it’s quite small (5mm) and the shiny surface made it difficult to show the detail. Here is the tooth from West Yorkshire, before and after prep. It measures 12mm long, and is the largest tooth I have found in the Yorkshire coal field. It also the best preserved coal measures tooth I have found. This tooth comes from a mussel band, in which fish remains are quite rare, apart from in very thin fish layers which sometimes occur in the band. However, this is not within one of the fish layers. I’m not sure what fish this tooth is from, I suspect an identification would be almost impossible until more information about these fish is discovered and published. It is from the Pennine Lower Coal Measures formation (upper Carboniferous).
  23. Unidentified Teeth!

    I need help identifying these teeth! If anyone could help that would be great! We are in broadwater county in Montana if that can help at all in identifying them.
  24. Greens Mill Run

    Hi all, I am taking the family on a road trip in July, and was hoping to make a fossil hunting stop along the way. I noticed a lot of posts about GMR, and read some info elsewhere online. Are there any areas from the access points (Elm St. or Spring Green parks) that are elementary-school-age child friendly (ie: shallow water, banks/bars that can be easily accessed). Most info I found says to expect hip-wader depth and swift water. Any info from locals would be greatly appreciated. Thanks!
  25. Hi everyone my girlfriend bought me a tooth off the internet and my brother was playing around with it and broke it was wondering if it was real or not so I knew to repair it or not with glue can show the outside if needed to thanks in advance for anyone that can help
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