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Found 672 results

  1. Jaw Fossil

    Hi everyone, I'm not very involved with fossil collecting (more into sport cards as the name implies), but I bought this jaw fossil a while back and would like to request some identification help. Thanks guys!
  2. Jaw Fossil

    Hi everyone, I bought this fossil a while back and its been a great conversation piece at my apartment. Thought you'd all like to see as well.
  3. Isolated theropod Teeth from the Kem Kem Basin continue to be a mystery. Plan on documenting all the different morphologies I have in my collection. Can provide discussion and aid in identification at some point. Just a note, different morphologies do not necessarily mean different species. There is lots of tooth variations in the dentition of a theropod, why its so difficult to nail down an ID even in the best of circumstances. Morph Type 1 Anterior Tooth Distal margin is almost straight Mesial margin strongly recurved Mesial carina extends 3/4 crown height Denticles are oriented towards the tip Serration Density: Distal - 2/mm (More dense toward the base) Mesial - 1.7/mm (More dense toward the base) Morph Type 2 (possible Carcharodontosaurid) Anterior Tooth Distal margin is slightly concave Mesial margin strongly recurved Mesial Carina extends to the cervex Denticles are oriented toward the tip Interdental sulci present Serration Density: Distal: 2/mm (More dense toward the base) Mesial: 1.9/mm (More dense toward the base) Morph Type 3 Maxillary? Mesial carina extends 3/4 crown height Denticles parallel to the base and rounded at tip Serration Density: Distal: 2.2/mm (More dense toward the base) Mesial: 2.4/mm (More dense toward the base) Additional Example Morph Type 4 (Possible Dromaeosaurid like) Lateral Tooth Tooth is recurved Mesial Carina extends to 3/4 crown height with a lingual twist Denticles parallel to the base Serration Density: Distal: 3.6/mm Mesial: 4.6/mm Additional Example Serration Density: Distal 3/mm, Mesial 5/mm Morph Type 4A (Dromaeosaurid like) Tooth is slightly recurved Mesial Carina extends to base with a lingual twist Denticles parallel to the base Serration Density: Distal: 3.6/mm Mesial: No Serrations Additonal Example Serration Density: Distal 3.3/mm, Mesial: No Serrations
  4. Today's Massive Desori Mako!

    Hello Everyone! It's been a minute since I've had the pleasure of finding any fossils worth posting here, but I was lucky enough today to squeeze in a couple hours of hunting. I noticed several sets of footprints around my usual hunting site - others had picked through the material recently. Undeterred, I made my way along the river visually scouring every square inch of exposed grey-brown Oligocene formation and gravel. Im glad I stuck with it because I was rewarded with several nice (albeit small) teeth from the extinct mega-tooth white shark, Carcharocles angustidens as well as a slew of smaller teeth. Then, just as I was ready to start hiking back to the car, I noticed the root of a VERY large mako tooth sticking out of the ground. When I pulled it up I was reminded of the sword in the stone..it just kept going and going. At a little over 2.8" it's one of the largest Isurus desori teeth I've ever personally seen. It's in great condition with exceptional color to boot. Thanks for taking a look and as always... Happy hunting! SOSC
  5. Recent acquisitions

    Some recent dinosaur tooth and fossil acquisitions. Stegosaurus stenops Late Jurassic Morrison Formation Bone Cabin Quarry West Albany County, WY Allosaurus fragilis Late Jurassic Morrison Formation Bone Cabin Quarry West Albany County, WY Deinonychus antirrhopus Early Cretaceous Cloverly Formation Southern Big Horn Basin. Big Horn county Montana USA Brachiosaurus altithorax Late Jurassic Morrison Formation Como Bluff Albany County, WY Tarbosaurus bataar Late Cretaceous Nemegt Formation Mongolia Triceratops sp. Late Cretaceous Hell Creek Formation Southeast Montana
  6. Are these human teeth?

    Are either of these possibly human molars? If so, would they be recent, Native American, or perhaps older? If not, what do you think they are? They were found on the Potomac river, in Purse State Park, in southern MD on separate trips about a year apart.
  7. Back in September I posted My Jurassic Park - Theropod Claws from the Kem Kem, the link is attached and now this topic is its continuation. There is more to the Kem Kem than just Theropod Claws (my passion) and I would like to share that with you. The Kem Kem beds consists of three formation: Ifezouane, Aoufous and Akrabou and most of the Dinosaur material comes from there but not all and I'll share a few examples of that. The Kem Kem beds are not a large area in Morocco and I've attached a map to give everyone a good understanding of that and where they are geographically. The best fossils come near the border with Algeria but most of these collecting areas are depleted and today diggers are going to more remote areas. The Kem Kem Region Lets begin with my favorite Spinosaurus aegypticacus (sp.) The teeth can be massive and here are a few examples
  8. Hi Everyone, Need some help with identifying these teeth. I found them in Virginia/Maryland- don't quite remember the location since I collected these over the summer. All came from the James, York, Potomac Rivers.
  9. I've not had a chance to post my finds here in a while but over the past few months I've found some new specimens of Lower Carboniferous/Mississippian marine shark teeth I wanted to share! These were collected at various sites in the Midland Valley of Scotland from the Blackhall Limestone, an extensive formation with interesting variations in fauna at each different locality. Ctenoptychius sp. Anterior tooth in lingual view, 6mmx7mm.
  10. A Few Interesting Little Pieces

    I went through a bag of bits and pieces from a year or two ago last night and found a few I was curious about. Any thoughts? All found in Venice FL. #1
  11. Shark Teeth n Greece ?Please help

    Hello Guys.I live in Greece I really really want to hunt for fossils and shark teeth,but the problem is there arent any knowns spots.Have you found any teethin Greece?If So Where?And anyone that knows any spots in greece please tell me
  12. I offer for exchange these various shark teeth from France,for another vertebrate,invertebrate or plants fossils i alreadyl not have From the Salles Serravallian(Miocene)near Bordeaux France
  13. Hilarious Shark Teeth Finds

    Funny story - I posted about our trip to Venice and what we found. Well after spending 4 mornings on the beaches searching and sifting and coming up with only tiny teeth and not much else, I was packing the car to head back home this morning and behold; three beautiful teeth just hanging out on top of the gravel in the driveway. Guess I know where I should have been searching this whole time!
  14. A good friend of mine is working in an area real close to Cape Town, South Africa. He's an avid fossil collector and wants to know if it's legal to collect fossils off any of the beaches there. I did some research and it appears that South Africa has some pretty strict laws/rules that prohibit the collecting of any fossils, removing them, exporting them, etc. without a permit from South African Heritage Resources Agency (SAHRA) . Permits seem to be issued only when specimens go to a museum or university for study, etc. Just curious to know if this is still the current law/situation so my friend knows what he can or can't do/collect etc.
  15. Hey guys. Since I'm a new collector I'm looking for some advice. Would it be best to start my collection by buying bulk fossils? The one pictured bellow I'm considering and it has a couple neat things: dolphin jaw, alligator scute, meg tooth, etc. Or should I save for quality stuff right from the getgo?
  16. So these are the before and after of the bone fragment prep process. This material was found at Aust Cliff in the U.K it's from the Triassic. I'd love to get your opinions on what you think it could be, given that it's only a fragment it will be hard to tell. I've not left it in the sun before you ask haha that was just to take a clear picture, don't want it cracking. Thanks guys. I think ichthyosaur/plesiosaur bone fragment as these are some of the most common bones found from there. Plenty of coprolite and micro fossils visible here as well including some teeth. I prepped this myself over the course of an hour, the matrix is nice and soft and easy to get through
  17. So I found this set of 4 fossils online for $16. Includes a saltasaur eggshell (top left), coprolite (bottom left), spinosaur tooth (bottom right), and tyrannosaurus bone piece (top right). The trex fossil makes me suspicious. The cheapest one of those I've seen is around $50. But the thing is, this seller owns a rock shop, and his fossils are self dug and authentic. So did I strike a deal or is there a key thing I'm not seeing here???
  18. Hi everyone! I am really interested in collecting vertebrate fossils. I have a lot of things to offer: - vertebrate fossils from Eocene of Kyiv, Ukraine and Albian-Cenomanian of Ukraine and Russia (various species of shark teeth, bony fish teeth, turtle shell fragments) - Pleistocene mammal, fish and turtle bones from Kyiv, Ukraine (unfortunately, I am not very good at identifying mammal species, but I have a large selection; mostly rodents or other small mammals, I have larger bones, but they are less complete) - crabs from Kyiv Eocene (Eocarpilius (?), up to 4 cm, not perfect, but with almost completely preserved caparaces and some appendages) - Silurian invertebrates from Podolia, Ukraine (mostly corals and small brachiopods) - also some small Devonian placoderms from Podolia, Ukraine (Kujdanowiaspis) - various Ukrainian and Russian ammonites and orthocerid or endocerid nautiloids - a lot of Miocene and Pliocene molluscs from Ukraine - some Carboniferous plants from eastern Ukraine - some random things, ask me if you are interested in something else In return, I am mostly interested in Paleozoic to Cretaceous shark and reptile fossils (both bones and teeth), especially in specimens from rare locations (especially Australia, don't have any vertebrates from there, and any Permian/Triassic vertebrates or dinosaurs/pterosaurs/marine reptiles from other periods). PM me if you are interested, please. I will send you the pictures of specimens you are most interested in. I also accept sales instead of trades. Here is an example of some Eocene fossils from Kyiv I have for trade (here are various sandsharks, Isurolamna, goblin Anomotodon, turtles, Carcharocles, Notorynchus, makos, Jaeckelotodus, Striatolamia, rays, chimaeras, bony fish, Physogaleus). I have much more specimens available, this is just an example.
  19. White sharks teeth fossils?

    Every now and then on the forum someone posts a cream colored meg, or some other type of white sharks tooth. I just thought it was cool and moved on, but after finding two white sharks teeth myself (one below) I started to wonder how this could be. I extremely doubt it’s the original enamel, though I’ve doubted true things before. Would this be because of a certain mineral? Perhaps plant acids, such as in lightning strikes? Just from wear? Are there multiple factors?
  20. Mystery fossil from brazil !

    Sooooo.... I have a skullfragment from Brazil dating back from the 60s, but have no data other than that I'm afraid and was wondering if anyone has any suggestions in terms of ID? There is no prep done to it, so there is quite a bit of bony matrix still attached. Here come a few pictures, but if anyone wants some closeups of something in particular don't hesitate to ask Best regards Good luck !
  21. What are teeth made of?

    A very interesting blog, also addresses what can palaeontologists learn from dentine? https://aaronrhleblanc.wordpress.com/2018/01/29/what-are-teeth-made-of-part-2-dentine-and-the-pulp/
  22. I'm pretty sure the big boy is Great White and the long one is sand, but what is the snaggle tooth?
  23. Hey everyone! I know they technically aren't fossils, I have a drawer of modern shark teeth, of which many are starting to exhibit hairline cracks along the center of the teeth, which weren't there when I purchased them previously. Does anyone know why this is happening, and if so, how do I prevent this from happening further?
  24. Help needed to identify these shark teeth. Responses are appreciated. Thx.
  25. Crocodile teeth?

    Five fossil teeth from the hell creek formation 5mm-15mm lenght. I was thinking crocodile? Does anyone knows what they are and if possible which species? These teeth were found in South Dakota.
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