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  1. rhealadventures

    Mines

    Does anybody else go to mines in the summertime because of the river levels are too high
  2. Hi all, Thanks so much for the kind feedback on my Berthasaura reconstruction. Here is another example of my work: A 'juvenile' tyrannosaur skull based loosely on Jane (BMRP 2002.4.1) I'm aware of the debates regarding age and species however I have just approached this as younger individual. Thanks so much for checking out my sculpt. I'm printing a prototype as we speak, I'll post some updates on here once its assembled!
  3. Hello everyone, another ID-question. We found this at the southern side of the Danish island of Møn, right next in the area of neolithic settlement. I have a hard time identifying this particular part of a tooth/fossilized set of teeth. As we are staying here for our holidays, I have no other scale with me. Any idea, of what we found here, would be greatly appreciated. Best wishes, Jens
  4. Edit* Title changed to say shark skeletal elements ( previously said bones). This is an interesting topic that was brought up by my mentor and vertebrate paleontology professor during a lecture about a year ago. He mentioned that for some reason there seems to be a higher occurrence of shark bones and relative scarcity of teeth in the Astoria formation. That is the verbage he used. I am willing to bet this is some kind of collection bias where people just aren't recognizing the teeth as often as skeletal elements for some reason. I haven't been able to find information on Google scholar or really anywhere else that has provided information on depositional environments that would favor the preservation of shark skeletal elements over teeth, especially where there are plentiful well preserved invertebrate shells. Most of the fossils are locked in concretions or embedded in concrete-hard sandstone. There is intermittent softer sandstone and siltstone, but seems like most of the vertebrate and invertebrate fossils occur in the harder layers. This is something that has interested me as a research topic, but I haven't been able to make it out in awhile to do any collecting of my own. It would be interesting to set up a transect say from Newport to Lincoln City, take a group out and just collect fossils over a period of time across the transect to get an idea of fossil type, frequency, etc. And see if there really is something lending itself to a higher frequency of shark skeletal elements. On a side note it does seem like there is an usually high occurrence of young vertebrates such as pinnipeds and whales in the sections of the formation I've collected. It would be interesting to hear your thoughts on the matter as well as any additional insights you may be able to provide. What do you think?
  5. Polybranchiaspidida

    A tooth from kem kem bed

    Hello there! My friend and I have encountered a problem, which is that we cannot recognize the ID of this tooth. So I am requesting your help. Thank you!
  6. Jaybot

    Ptychodus whipplei

    From the album: Neutache Shoreline

    My best preserved whipplei tooth. Interesting pattern is visible under microscope: #VM2 3/10/24

    © CC BY-NC

  7. Jaybot

    Ptychodus anyonymous

    From the album: Neutache Shoreline

    Q4 2023 My largest ptychodus tooth to date, found in glacial deposits in E KS

    © CC BY-NC

  8. Stormywx

    North Sulphur River Jawbone

    I'm pretty sure this was found by my friend on the North Sulphur River. It was labelled as such, along with some fish vertebrae I know are also found there. Most of the teeth are missing, broken off on their trip down the river. I'm wondering if anyone can give me more information on this piece. Thanks for the help!
  9. Nat006

    Ice age TOOTH ID

    Hello all, Can someone please tell me what animal this tooth belonged to? 4 centimeters - around 1.6 inches Found on the beach: Zandmotor, The Netherlands. Thank you!
  10. Hi All, I'm new to this forum and thought I'd send over images of my theropod teeth plus one extremely impressive sauropod from Madagascar. Hope you like them! Paul
  11. Conley

    ID Help

    Curious if anyone has any ideas as to what these might have came from. Found this piece in SE Colorado that has tons of shark teeth but these are way different than anything we have found so far.
  12. PaulaE

    Need help please

    I really need yalls help please
  13. Othniel C. Marsh

    Florida Mammal Teeth

    Below are two Pleistocene mammal teeth from "river gravels" in Florida. I have to further information on their age or locality, unfortunately. The left was merely identified as a "mammal tooth", and I strongly suspect it is from Trichechus manatus, but I have very little experience with mammal dentition and as such thought it would be best to check with someone with greater expertise in the field first. The right tooth was identified as a "peccary tooth", but given the fact that a number of tayassuids were present in Pleistocene Florida I wondered if the tooth could be identified to a genus, or better yet a species level. I will now take the liberty of "@ing in" a few people: @Harry Pristis and @Shellseeker Thanks in advance for any proposed ID's Othniel
  14. 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
  15. Hello two days ago I bought a Majungasaurus teeth. For me it is real teeth but I have to ask you about because I'm not sure (of course I want to be sure). Can you please tell is it real teeth ? Thank you for all of your answers on this topic
  16. LeighFossilMom

    Help ID bone from Ramanessin Brook, NJ

    Hi! I found this bone this morning in Ramanessin Brook, Monmouth County, NJ and was hoping to get ID. I also have photo to show the teeth I found as well. Thanks a lot for your help.
  17. Hello everyone! Saw this nannotyrannus tooth for sale,is it really from nannotyrannus? Could it be something else? Any help would be apperciated IMG_8742.MOV dn02-2c.avif dn02-4c.avif dn02-3c.avif
  18. Dadthetoothman

    Any ideas of who lost their tooth?

    I found this tooth at El Capitán Beach on the coast by Santa Barbara in the mid 90’s. Any idea who lost their tooth? I’ve wondered what animal this tooth belonged to. Can anyone help me identify it?
  19. Michael1

    South carolina fossil ID’s

    Found these two in south carolina near the Summerville and Charleston area, im fairly certain one is a tusk but if anyone could give more details on which type on elephant it could’ve been since im not familiar with the area. The second one is a horse tooth (I think) but I am a primarily florida hunter so I would like to know if its a three toed horse or another species since it looks different then the ones ive found down here.
  20. Some of the nicer fossils from Morocco that I own. Let's start! - Set of nice spinosaurus teeth. Found in the same tunnel and layer. Only some meters away from eachother. 11 and 10.8 centimeter KemKem group, Morocco - Hainosaurus Boubker jaw pieces (dentary + snout) associated from an adult specimen. Really rare. Sidi Chennane, Oued Zem Morocco - Huge 10.6 centimeter carcharodontosaur crown with neat orane/brown like colors. KemKem group, Morocco - Set of 35 associated Otodus Obliquus teeth. Biggest one measures 8CM. Took a while to find one. El Khourigba, Morocco
  21. Primate fossils are very rare. I would really like to see what primate fossils TFF members have in their collections or have collected and donated. Mine have been personally collected, and have been donated, and are posted below. Let me start this post with the nicest primate fossil that I’ve seen, to show what is possible to find. A Messel researcher from Germany, to whom I’ve sent thousands of squamate specimens for study, sent me the below Messel book gratis last year. This is a book full of incredibly preserved specimens from plants, to insects, to mammals, to birds, to reptiles, to amphibians, to fish. Some very well-preserved primate fossils are in this Messel book, including an incredible Darwinius masillae articulated specimen shown in the below picture. After showing that incredible Messel primate, my primate specimens, which follow, seem pretty meager, but nevertheless are of scientific value. First, three primate teeth that I found in anthill matrix, from anthills situated on exposures of the Big Cottonwood Creek Member of the Chadron Formation (Latest Eocene-early Oligocene), from my sons’ M&M Ranch in Nebraska are shown in the below picture within a figure, as well as the cover of the publication that they are described in. Because the researchers were not able to assign the teeth to a genus (see the text in the red box in the below picture) I intend to recollect anthill matrix in the same 3 areas where the teeth were found in hope of finding a more complete primate specimen (at least a partial jaw with a premolar, molars) so the species can be identified. Secondly, a partial omomyid primate jaw, which I found in the Eocene, Nanjemoy Formation of Virginia, shown below in a figure from the paper that the partial jaw is described in (see first page of the paper below). Also note the two excerpts below from the paper. Due to the extreme rarity of this specimen, it is extremely unlikely that I could find another specimen that might be positively identified. From the paper Title and Abstract: "First Fossil Primate from the Atlantic Coastal Plain" From the paper DISCUSSION AND CONCLUSIONS: "Considering its geographic separation from other known North American, as well as European, omomyids, it almost certainly represents a previously unknown species. However, in the absence of premolars (often the most diagnostic teeth in omomyids) or any other anterior teeth, or obvious derived molar traits, it would be premature to create a new taxon for this fragmentary specimen." I am really hoping for and looking forward to TFF member primate posts to this thread. Marco Sr.
  22. rocket

    Stingray jaw?

    just starting a fantastic Cyclobatis from lebanon and found the - it looks like - jaw. What do you think? I did several but thats the first one having the complete (as it looks like) jaw Size of the ray is around 15 cm Diameter, seems to be the rare tuberculatus
  23. shark57

    Yorktown Formation Seal Jaw

    From the album: Fossils

    One of my favorite Lee Creek finds, a nice seal jaw with 5 teeth. This must have been a fairly young individual because there is almost no wear on the teeth.
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