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Found 33 results

  1. Cretoxyrhina sp. Shark Teeth

    From the album Post Oak Creek

    Another one of my favorites, the "ginsu" shark, so named for its sharp blade-like teeth. The largest one in the center is indeed from POC, but I bought it online.
  2. Hi, Recently, I had the good fortune to acquire this set of Cretoxyrhina (vraconensis) teeth from the Britton Fm., Texas. I have a detailed account of it’s discovery which describes almost all of these teeth being found together in an area about 18” x18”, with a few stragglers found just outside the main pile of teeth. It’s not complete, but It looks like most of the positions are represented. Some of the larger anteriors were not recovered and I suspect at least one or two positions are missing. I have arranged these teeth into positions that look close to me, but there is no doubt that it needs to be adjusted. I am hoping someone here might know something about these early Cretoxyrhina dentitions and might be able to advise or comment on how I can make this accurate. Some other noteworthy finds recovered from the same 18” square were 2 suspected Cretoxyrhina vertebrae, 5 small Squalicorax (falcatus) teeth, a possible Archeolamna tooth, another very small unidentified cusped shark tooth, and some small fish vertebrae and bones. Thanks for looking. R~
  3. I’m wondering if anyone has put together a dentition of an early Cretoxyrhina with narrow lower teeth and cusped laterals and posteriors. If you have photos of something like this I would very much appreciate seeing what one looks like. Thanks in advance! R~
  4. post oak creek shark tooth

    Hey y'all, this is a shark tooth I found a couple months ago in post oak creek. I initially thought it was a cretodus, but now I'm having second thoughts. The 4th and 5th pictures are cretoxyrhina vraconensis and dwardius woodwardi, respectively. Thanks!
  5. 9/28/19 Trip

    From the album Post Oak Creek

    I found less stuff than last time, but I found a nice centrum and a shard of a mosasaur tooth. A couple teeth grouped with Scapanorynchus may be Serratolamna sp.
  6. Newborn? Cretoxyrhina mantelli Russia

    From the album Cretaceous Shark Teeth

    Beautiful and very small, cusped Cretoxyrhina mantelli from Ryazan Region of Russia. Cenomanian in age.
  7. Newborn? Cretoxyrhina mantelli Russia

    From the album Cretaceous Shark Teeth

    Beautiful and very small, cusped Cretoxyrhina mantelli from Ryazan Region of Russia. Cenomanian in age.
  8. Cretoxyrhina mantelli Morocco

    From the album Cretaceous Shark Teeth

    An extremely rare Cretoxyrhina mantelli w/ cusplets from a new site in Morocco.
  9. Cretoxyrhina mantelli Morocco

    From the album Cretaceous Shark Teeth

    An extremely rare Cretoxyrhina mantelli w/ cusplets from a new site in Morocco.
  10. Cretoxyrhina mantelli Kansas

    From the album Cretaceous Shark Teeth

    Cusped Cretoxyrhina mantelli from Kansas
  11. Cretoxyrhina mantelli Kansas

    From the album Cretaceous Shark Teeth

    Cusped Cretoxyrhina mantelli from Kansas
  12. Cretoxyrhina mantelli Mississippi

    From the album Cretaceous Shark Teeth

    Cretoxyrhina mantelli from Mississippi.
  13. Cretoxyrhina mantelli Mississippi

    From the album Cretaceous Shark Teeth

    Cretoxyrhina mantelli from Mississippi.
  14. Cretoxyrhina vraconensis Texas

    From the album Cretaceous Shark Teeth

    Waco, Texas Cretoxyrhina vraconensis. Albian in age.
  15. Cretoxyrhina vraconensis Texas

    From the album Cretaceous Shark Teeth

    Waco, Texas Cretoxyrhina vraconensis. Albian in age.
  16. Cretoxyrhina mantelli Mississippi

    From the album Cretaceous Shark Teeth

    Small Cretoxyrhina mantelli from Mississippi
  17. Cretoxyrhina mantelli Mississippi

    From the album Cretaceous Shark Teeth

    Small Cretoxyrhina mantelli from Mississippi
  18. Cretoxyrhina mantelli Mississippi

    From the album Cretaceous Shark Teeth

    Cretoxyrhina mantelli from Mississippi
  19. Cretoxyrhina mantelli Mississippi

    From the album Cretaceous Shark Teeth

    Cretoxyrhina mantelli from Mississippi
  20. Cretoxyrhina mantelli Russia

    From the album Cretaceous Shark Teeth

    An interestingly shaped Cretoxyrhina mantelli from the Ryazan Region of Russia. Cenomanian in age.
  21. Cretoxyrhina mantelli Russia

    From the album Cretaceous Shark Teeth

    An interestingly shaped Cretoxyrhina mantelli from the Ryazan Region of Russia. Cenomanian in age.
  22. Big teeth!

    From the album Post Oak Creek

    Large shark teeth including cretoxyrhina, cretodus, and ptychodus. (The left ptychodus would've been massive had it been complete.) Scale bar = 1 cm. Collected 7/18/19.
  23. Post Oak Creek ID

    Hey y'all, I went to POC for the first time yesterday and came back with some stuff I need help ID'ing. 1. Shark teeth - Cretodus crassidens? 2. Large shark tooth - Cretoxyrhina? 3. shark tooth - Scapanorhynchus? 4. Enamel/tooth frag - mosasaur? 5. shark tooth - Cretolamna appendiculata? All scale bars = 1 cm. The enamel (4) is < .5 cm in length. 4 is definitely not shark - too thick - and reminds me of crocodiles, but I haven't heard of any crocs there. I also found another mosasaur tooth frag. I know this can be really difficult, so I really appreciate your help!
  24. Extinct Sharks

    Hi everyone. Here i will show two genus of extinct Sharks such as 1.Squalicorax and 2.Cretoxyrhina. If someone is interested,let know Thanks for your time, Darko
  25. Hi, i picked up this gorgeous Cretoxyrhina tooth. The data it came with says temple Texas, does this seem right? It is larger and darker than what I would expect from Texas, but I confess that I don’t know much about it. It looks like a typical Kansas tooth to me. I’d love to hear some opinions from people who have experience or specimens from these areas. Thanks for looking!
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