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Found 13 results

  1. Richard’s Spur Oklahoma

    Hi All I though I would do a little post. Sorry if the information is a little lacking but I have been ill and had an emergency operation . I am fine now but still on the meds and I thus get a little confused. I purchased to occupy myself some Micro Matrix from the Lower Permian Richard's Spur locality of Oklahoma. Fossils range from fragments to complete and include toe bones, jaws, skull plates, teeth, intercentra, limb bone ends etc. The majority of specimens are Captorhinus magnus and C. aguti but undoubtedly there are other species. I am sorry but I am unable to identify them but I really enjoyed doing the photos so I thought I would share my finds with you guys. Cheers Bobby
  2. Big Miocene/Oligocene Mammal Jaw????

    I bought this jaw at a fossil show and the only info that came with it was "Badlands USA". The matrix looks Miocene Arikaree to me and not Oligocene but I'm not sure of course. Any information from a mammal/tooth collector will be appreciated. I have an idea of what it might be but I don't want to say anything until I hear from you all. Thanks, Mikey
  3. Helicoprion's mystery jaws

    Helicoprion's bottom jaw is easily the most bizarre of all sharks. With a bottom jaw shaped like a circular saw, just how did this shark kill/eat prey? Did its bottom jaw lash out to inflict debilitating flesh wounds, or did it do something else?
  4. Help with fish jaw ID

    Hey guys. Ive been trying to ID these jaws but to no avail. Is it possible you can help me out? They were collected from Withlacoochee river in west Florida.
  5. @KimTexan asked to see some of my jaw sections so here's a few from the North Sulphur River Texas. This is a nice mix of Xiphactinus and at least 2 species of Mosasaur.
  6. Belonostomus (?) jaw

    From the album Albian vertebrates of Ukraine

    Premaxillas of Aspidorhynchid jaw, possibly Belonostomus.
  7. Help identifying these shark jaws?

    Salutations! So I purchased these shark jaws at a gift shop in Myrtle Beach a few years ago. I've tried and tried to identify which species of shark it's from, but I just can't figure it out. Would anyone mind helping? (Sorry for the bad photos)
  8. I'm looking for Moroccan mosasaur material (whether isolated bones or a quantity of bones in matrix), particularly halisaurus or prognathodon (will consider any others). [Edit to remove bit where I talk about money, accidentally disregarding the rules of this bit of the forum] Please get in touch if you have anything. I'm in the UK buy happy to trade internationally. Thanks.
  9. Here are 4 very small jaw fragments??, that I would like to see if anyone could ID for me. I realize they are very small, but any help is appreciated as always. 3 pics of each jaw. Thank you, David
  10. Is this a Halisaurus jaw?

    I have this jaw that I believe to be a halisaurus but not sure , can anyone confirm this? It's from the cretateous period about 350 million years old and from Khourigba morocco.
  11. Sharks belong to the superorder Selachimorpha in the subclass Elasmobranchii, in the class Chondrichthyes. Listed below are the eight orders of extant sharks. I really believe that to be able to successfully understand and identify fossil shark teeth you need to understand and be very familiar with extant shark teeth. As a result, I’m in the process of acquiring a good number of extant shark jaws which I intend to study and photograph. I’m not trying to acquire the very large grade A type specimens (Wow they cost a lot) but study quality specimens. If you clique on a link you will see a TFF post on the jaw of the indicated species. As I add new jaw posts, I’ll update this list. I’ve included this structure so you can see where each species fits within the Chondrichthyes hierarchy. I hope to be able to add several new jaws per month. These extant jaws can also be found on my family fossil website http://phatfossils.com/ under Extant-References. Cow and frilled sharks ORDER HEXANCHIFORMES Family Hexanchidae (Cow sharks) Genus Heptranchias Rafinesque, 1810 Heptranchias perlo (Bonnaterre, 1788) (Sharpnose sevengill shark) http://www.thefossil...-cow-shark-jaw/ Genus Hexanchus Rafinesque 1810 Hexanchus nakamurai Teng 1962 (Bigeyed sixgill shark) http://www.thefossilforum.com/index.php?/topic/90772-extant-hexanchus-nakamurai-bigeye-sixgill-shark/ Bramble sharks ORDER ECHINORHINIFORMES Family Echinorhinidae (Bramble sharks) Genus Echinorhinus T. N. Gill, 1862 Echinorhinus brucus (Bonnaterre, 1788} (Bramble Shark) jaw http://www.thefossilforum.com/index.php?/topic/90660-extant-echinorhinus-brucus-bramble-shark-jaw/ Dogfish sharks ORDER SQUALIFORMES Family Centrophoridae (Gulper sharks) Genus Centrophorus J. P. Müller & Henle, 1837 Centrophorus granulosus (Bloch & J. G. Schneider, 1801) (Gulper shark) http://www.thefossilforum.com/index.php?/topic/60590-extant-centrophorus-granulosus-gulper-shark-jaws/ Sawsharks ORDER PRISTIOPHORIFORMES Family Pristiophoridae (Sawsharks) Genus Pristiophorus J. P. Müller & Henle, 1837 Pristiophorus cirratus (Latham, 1794) (Longnose sawshark) http://www.thefossilforum.com/index.php?/topic/63013-extant-pristiophorus-cirratus-longnose-sawshark-jaw-and-rostrum/?p=659372 Angel sharks ORDER SQUATINIFORMES Family Squatinidae (Angel sharks) Genus Squatina A. M. C. Duméril, 1806 Squatina nebulosa Regan, 1906 (Clouded angelshark) http://www.thefossilforum.com/index.php?/topic/60499-extant-squatina-nebulosi-clouded-angelshark-jaw/?p=644494 Bullhead sharks ORDER HETERODONTIFORMES Family Heterodontidae (Bullhead sharks) Genus Heterodontus Blainville, 1816 Heterodontus zebra J. E. Gray 1831 (Zebra bullhead shark) http://www.thefossilforum.com/index.php?/topic/90623-extant-heterodontus-zebra-zebra-bullhead-shark-taxidermy-specimen-and-jaw/ Mackerel sharks ORDER LAMNIFORMES Family Alopiidae (Thresher sharks) Genus Alopias Rafinesque, 1810 Alopias superciliosus R. T. Lowe, 1841 (Bigeye thresher shark) http://www.thefossilforum.com/index.php?/topic/61017-extant-alopias-superciliosus-bigeye-thresher-shark-jaw/ Family Lamnidae (Mackerel sharks) Genus Carcharodon A. Smith, 1838 Carcharodon carcharias (Linnaeus, 1758) (Great white shark) http://www.thefossilforum.com/index.php?/topic/64118-extant-carcharodon-carcharias-great-white-shark-jaw/#entry670899 Genus Isurus Rafinesque, 1810 Isurus oxyrinchus Rafinesque, 1810 (Shortfin mako) http://www.thefossilforum.com/index.php?/topic/59995-extant-isurus-oxyrinchus-mako-shortfin-shark-jaw/ Family Odontaspididae (Sandtiger sharks) Genus Carcharias Rafinesque, 1810 Carcharias taurus Rafinesque, 1810 (Sandtiger shark) http://www.thefossilforum.com/index.php?/topic/90835-extant-carcharias-taurus-sandtiger-shark-jaw/ Carpet sharks ORDER ORECTOLOBIFORMES Family Hemiscylliidae (Bamboo sharks) Genus Chiloscyllium J. P. Müller & Henle, 1837 Chiloscyllium punctatum J. P. Müller & Henle, 1838 (Brown-banded bamboo shark) http://www.thefossilforum.com/index.php?/topic/60730-extant-chiloscyllium-punctatum-brownbanded-bamboo-shark-jaws/ Ground sharks ORDER CARCHARHINIFORMES Family Carcharhinidae (Requiem sharks) Genus Carcharhinus Blainville, 1816 Carcharhinus falciformis (J. P. Müller & Henle, 1839) (Silky shark) http://www.thefossilforum.com/index.php?/topic/60143-extant-carcharhinus-falciformis-silky-shark-jaw/ Carcharhinus obscurus (Lesueur, 1818) (Dusky shark) http://www.thefossil...usky-shark-jaw Genus Galeocerdo J. P. Müller & Henle, 1837 Galeocerdo cuvier (Péron & Lesueur, 1822) (Tiger shark) http://www.thefossilforum.com/index.php?/topic/61241-extant-galeocerdo-cuvier-tiger-shark-jaw/?p=652866 Family Hemigaleidae (Weasel sharks) Genus Hemipristis Agassiz, 1843 Hemipristis elongata (Klunzinger, 1871) (Snaggletooth shark) http://www.thefossilforum.com/index.php?/topic/61407-extant-hemipristis-elongatus-snaggletooth-shark-jaw/?p=654410 Family Scyliorhinidae (Catsharks) Genus Atelomycterus Garman, 1913 Atelomycterus marmoratus (Anonymous, referred to E. T. Bennett, 1830) (Coral catshark) http://www.thefossilforum.com/index.php?/topic/61194-extant-atelomycterus-marmoratus-coral-catshark-jaws/ Family Sphyrnidae (Hammerhead sharks) Genus Sphyrna Rafinesque, 1810 Sphyrna mokarran (Rüppell, 1837) (Great hammerhead) http://www.thefossilforum.com/index.php?/topic/64506-extant-sphyrna-mokarran-great-hammerhead-shark-jaw/?p=674826 Family Triakidae (Houndsharks) Genus Hemitriakis Herre, 1923 Hemitriakis japanica (J. P. Müller & Henle, 1839) (Japanese topeshark) http://www.thefossil...tope-shark-jaw/ Genus Mustelus H. F. Linck, 1790 Mustelus asterias Cloquet, 1821 (Starry smooth-hound) http://www.thefossilforum.com/index.php?/topic/64566-extant-mustelus-asterias-starry-smooth-hound-shark-jaw-and-fins/?p=675455 I have also posted common and uncommon extant shark teeth at the below links: http://www.thefossilforum.com/index.php?/topic/83847-rhincodon-whale-shark-and-cetorhinus-basking-shark-extant-and-fossil-teeth/&tab=comments#comment-902499 http://www.thefossilforum.com/index.php?/topic/84144-some-uncommon-extant-shark-teeth-2/&tab=comments#comment-899269 http://www.thefossilforum.com/index.php?/topic/83808-some-uncommon-extant-shark-teeth/&tab=comments#comment-894590 Marco Sr.
  12. Juvenile Xiphactinus?

    I collected this jumbled up mess of bone fragments at the very bottom of the Kamp Ranch Member, Arcadia Park Formation, Eagle Ford Group in Lewisville, TX. I almost opted out of picking up the bone scraps, small, fragmented, you know how it goes. Then I saw the teeth. I believe it is a juvenile Xiphactinus. I would like to solicit the opinions of the greater collective intelligence on this forum. The files are big (even resized) so... I will post additional pics as replies to this post.
  13. http://phenomena.nationalgeographic.com/2013/02/26/buzzsaw-jaw-helicoprion-was-a-freaky-ratfish/ http://www2.isu.edu/headlines/?p=4270 After many years and many promises, here it is, hot off the presses!
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