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Found 1,585 results

  1. We can know if a sauropod tooth from Morocco - Kem Kem beds is from rebbachisaurid or titanosaurid?
  2. A simple question. How a dinosaur lost a tooth with the root? Ok, easy for a predator, but herbivores like Triceratops or hadrosaurs how lost rooted teeth?
  3. Ray tooth ID

    Hello! Help please to identify ray tooth. Length: 4,5 mm. Age: Cretaceus - Miocene. Western Ukraine. Thanks in advance!
  4. Hello all. I was wondering if anyone on here is from (or very familiar with) coastal plain South Carolina. I am not fishing for spots at all, in fact I have a vacation rental on a nice piece of land west of Summerville that I picked and paid for in hopes that we would have fossiling accessible from our home base. We have river access and the land is ripe with creeks. I would like to network with someone knowledgeable about the area to find out if where we are staying might be fossiliferous. This is mostly my teenage son's hobby, but we will definitely hunt as a family. We did hunt creeks in Florida a couple years ago and had a great time so we are at least somewhat familiar with the methods. What it comes down to is I don't want to schedule an excursion and pay a guide in South Carolina if an expert can tell us that we probably can find fossils right under our nose where we are staying.
  5. Best day yet on the creek!

    This is from a two day trip to the same creek. The first trip I found some clues that there may be big teeth here due to the large ray plates I found (the first day was mostly rays so you can tell them apart kinda). I found a few small shark teeth and I called it a day. The next morning, I set out for the creek yet again and I knew I made a good decision because I was going to explore a new place. Sometimes it’s good to explore something uncharted another day. I found a lot of teeth including this beauty that tooth was absolutely flawless and came right out the formation. I found a lot more shark teeth among side it while sifting and a couple small fish vertebrae which are cool because you can’t get them with the 1/4 inch mesh. I also found a nice piece of otodus that is pathological and would have been wicked if it was complete. the backside here is where it shows it’s deformities. It looks broken but I’m further inspection the enamel is still there but the tooth itself is real jacked up. I also found a large shark vertebra and a piece of reptile bone since whales didn’t exist in this time period yet. This is all the stuff, including some petrified wood from the Cretaceous formation. I hope you guys enjoyed it! I hope to one day find a nice complete rib or maybe even a skull there.
  6. Small shark tooth for ID

    Hello! Help please to identify tooth. Length: 1,3 - 1,4 mm. Probably Middle Miocene. Western Ukraine. Thanks in advance!
  7. One for the (marine) crocodile specialist...

    Hi everyone, Recently, while researching the morphology of machimosaurid crocodile teeth, I bumped into the below specimen, identified as Machimosaurus hugii (presumably based on its size). And although I can't confirm the specific name, I'm confident the referral to Machimosaurus is correct. When taking a closer look at the tooth's striations, however, I noticed not all of them actually run the whole apicobasal length of the tooth as I expected. And although some striations have undoubtedly been terminated and/or interrupted by wear, I was more genetically wondering if striations not running the full apicobasal length of the tooth is a know characteristic of crocodile teeth. For I'm only familiar with teeth that are either entirely smooth, or that have fine striations on one or both sides of the tooth, where only those striations that run into one of the tooth's carinae may be truncated before reaching the full apicobasal length of the tooth. That having been said, though, I can imagine crocodilian dental ornamentation being more varied, with different patterns of organisation in their striations, as Madzia (2016, A reappraisal of Polyptychodon (Plesiosauria) from the Cretaceous of England), in an annotation with his figure 8 illustrating pliosaurid tooth crown morphologies following Tarlo (1960) (reproduced below), observes that the teeth with the most striae, previously referred to Simolestes nowackianus, are now considered Machimosaurus nowackianus. And with the great variation of expression in striations on pliosaurian teeth, I don't think it would be such a leap to assume the same for this species of teleosaur... So, my question is: are striations on crocodilian teeth as variable as they are amongst pliosaurs? Can individual striae end prior to stretching the full apicobasal length of the tooth, and, if so, in which clades or under what conditions? Do crocodilian teeth exhibit patterns of striations of interchanging lengths (e.g., short-long-short)? Thanks for your help!
  8. Hello together, I am tidying up a bit and came across this piece between the flower pots on my windowsill. I can not remember buying it, and I can not remember finding it. As I do not often find vertebrate fossils (as this appears to me to be) I would remember finding it. So maybe it was a bonus add on to something I bought, or my fiancé found it without being impressed much, in which case it would be from the coast of Normandy or Bretagne. Could also have been from a box of Chilean whale vertebrae, I also found a penguin humerus among those. My first guess is some kind of fish maxilla, any ideas? Scale is metric. Thanks, J
  9. Tooth ID

    Tooth identification needed for two separate finds. Found in Southport, NC (Brunswick County) near the Cape Fear inlet. Common place for bones too wash ashore. Teeth are a new find. Pictures below. Thanks!
  10. Shark tooth ID

    Hello! Help please to identify tooth. Height ~ 3 mm. Age: Cretaceous - Neogene. Western Ukraine. Thanks in advance!
  11. Peace River Teeth and a Few Verts

    I bought these among others a few years back. I went looking through them today and realized I wasn't sure on these pieces. Peace River Fm, Florida. 1
  12. Megachasma tooth?

    Hello! Is it tooth of Megachasma shark? Height ~ 5,5 mm. Age: Neogene. Western Ukraine. Thanks in advance!
  13. Shark tooth ID

    Hello! Help please to identify tooth. Height ~ 2,5 mm. Age: Cretaceous - Paleogene. Western Ukraine. Thanks in advance!
  14. Shark tooth ID

    Hello! Happy New Year! Help please to identify tooth. Height ~ 5 mm. Age: Cretaceous - Neogene (but most probably Cretaceous - Paleogene). Western Ukraine. Thanks in advance!
  15. Shark tooth ?

    Hello! Help with identification, please. Width - 4 mm. Miocene, Western Ukraine. Thanks in advance!
  16. A 2020 silver lining for me personally was discovering a new hobby and my love for shark tooth hunting. I am fortunate to live in Charleston, SC which we all know is a hot spot for fossil shark teeth. In March, as government shutdowns were coming on strong, a friend invited me to go look for some teeth and there was no turning back. I have posted some of these teeth over the course of the year, but attached is a picture of my shadow box with all of my best teeth found in 2020. As this challenging year comes to a close, let’s celebrate all of the best teeth found over the course of the year! I would love to see some of your best so post ‘em if you got ‘em!
  17. Stands for teeth?

    I was wondering what kinds of stands you guys use for displaying mammoth teeth? But teeth belonging to juvenile mammoths ?
  18. Hi I’m looking into buying these three teeth and am wondering if they look good to anyone? Like restoration, repair, composite? And if it’s possible to identify the species? Thank you for any feedback! baby Diplodocid indet, Morrison Formation Theropod indet, Morrison Formation Tyrannosaur indet, Judith River Formation
  19. Hello everyone, I want to tell you my first experience with Microfossil. (I can't stop anymore, it's a drug). Anyway, last months I worked in the paleontology museum of my university. My role was pretty much to be a factotum but in particular I had to rediscover all the fossils that are in the deposits and in the basement. I can't describe you the tons and tons of unknown material there is. We already found many interesting and never described pieces. Anyway, back to our story, in the deposits there where dozens of bags full of fossiliferous sediments from Cava dell'erba in souther Italy a lower pleistocene/pliocene site known better for the macrofossils (Pirro Nord fauna). The bags need all to be sifted cleaned and studied, looking also for human remains. Three of these bags were unfortunately broken and all the sediment was mixed making it completely useless for any study (the sediment come from carsic fissures so the level and the position is very important). So the museum director told me that sediment was going to be thrown away, or if I wanted I could bring it at home. I clearly took it with me, I washed sifted and collected and here are my preliminary results. The photo represents all the teeth and mandible I found there are insectivors rodents amphibian, there is also a canine (from what it can come from? It's the second from right in the second row) I still have a bag to study and tons of bones to identify, I'm gonna ask you some help very soon
  20. Found in Round rock Texas, just north of Austin. Pieces found among weathered rubble at base of a limestone cliff rich in devils toenails, next to a creek. The Texas pocket geologic map I'm referencing is a bit confusing, showing the area to be at somewhat of a confluence of the "Del rio clay and Georgetown formation", Edwards limestone, Eagle ford group, and Buda Limestone. I'm very cautious about being the annoying newbie who calls every little rock he finds a fossil, so when I came across four large, curved, tooth shaped stones amid many devils toenails and scallops today, I was hesitant to get my hopes up. My thoughts are that they may be too large to be the teeth of any western interior seaway life that I know of - based on a google search, if these are teeth, they'd be as big if not bigger than even the teeth of tylosaurus, so I have my doubts. That said, my other amateur hunch is perhaps these are fillings of limestone holes that hardened. But I'll let you guys be the judge of that. Below is the first, stuck in matrix on almost every side - there is a small, smooth exposed patch in the right middle. Measurements are quite roughly 3.5 inches from the tip to the base of the matrix, I have no ruler handy at the moment Below is another look, closer this time an centered on the tip Here is the same piece, curved in towards me this time - And one last side profile to show the suspiciously smooth and even curvature Now, I'll show the other pieces I found. All of these , the one above included, were found within a few square meters of each other. It's possible they're associated. below is another angle of the piece above: And to finish, these last two pictures are of two completely separate bits, each only getting it's one picture ...and I would greatly appreciate any possible ID's or explanations! Thanks for reading through!
  21. Hadrosaur tooth variation?

    Howdy all I’m wondering if there is any variation in the teeth between different hadrosaur species? In the guide to common vertebrate fossils of Alberta there is a diagram that portrays a supposed Corythosaurus tooth and that some other tooth diagrams do not represent Corythosaurus. There’s a bit of a difference between the diagrams, but I’m unsure if it warrants identification to a genus level. I took a look at my hadrosaur teeth and noticed there is a difference between these two. The one on the right is wider and has a more prominent central carina. Could this be taxonomic variation, or is it just individual variation? Any help is appreciated, thanks.
  22. Fossil Teeth

    Hi everyone, I recently got a couple teeth as a gift and was able to identify some but these were a harder nut to crack. The biggest (the dark one on the left) is about 4-5cm. This one also feels extremly light for its size so it might be fake. Any help with these would be appreciated!
  23. Post Oak Creek 12-10-20

    I went back to a new spot on POC and found the typical array of broken shark teeth, a few Ptychodus teeth, and some interesting items I'm not really sure about. Anyone have an idea of what the item in pictures 6-8 are? What about 9-11 maybe coprolite or a fossilized crustacean? The item in pictures 12-14 appears to be a tooth but with no enamel I didn't think it was a shark tip. It could also just be a piece of bone or something. Sorry for the poor picture quality of that one but I will take better ones of it later. Im pretty sure picture 15 is a rudist and lastly the item in pictures 16-18 I think is just a coincidentally formed rock. The rest of the pictures are of some cool items like the shark or fish verts, the small fossilized crab claw, a broken piece of sawfish rostrum, and a few cool pieces of matrix with inclusions. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
  24. Went out for a couple hours last Sunday afternoon. Found a few things that I kept. One tooth I was a couple rains to late. One tooth was just in time because the next rain would have scattered down the hill. And the biggest and best tooth was lucky to see at all in last patch of dirt I was going to look at. Also collected a neat branching bryozoa. And a couple large echinoid plates.
  25. List of thinks i've already ID'd: ------------------------------ 1: Mammoth Tusk 2: Mammoth molar 3: Otodus tooth 4: - (Feels very light for its size so might be a fake) 5: - 6: - 7: mososaur? 8: mososaur? 9: mososaur? 10: mososaur? 11: mososaur? 12: Fake Megalodon tooth (Forgot to add the number, Woops!) 13: - 14: Oreodon tooth 15: ???? 16: Crocodile or Enchodus tooth 17: - 18: Otodus tooth 19: Obsidian?