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Found 24 results

  1. Was told this was a tiger shark

    I was told this was a Tiger shark tooth found inland United States ans was a couple million years old. Now I'm not to keen on shark teeth but I don't think the information is correct. If anyone could shed some light on this it would be greatly appreciated thank you.
  2. Tiger Shark Teeth ID

    Hello. I purchased some tiger shark teeth and was hoping to get some ID help. The teeth come from various locations in Florida. The largest tooth is 1.25 inches (~3.2 cm). All the teeth have complex serrations. I believe the first row (#1-6) come from Galeocerdo mayumbensis. I am unsure about the second row and think they may be either Galeocerdo cuvier or Galeocerdo mayumbensis. Below are front and back pictures of the teeth. Thanks for any help.
  3. Galeocerdo curvier (modern tiger shark)

    From the album Sharks

    A fantastic and large tiger shark tooth.
  4. Are all these Tiger Shark teeth?

    Sorting my sharks' teeth. Not 100 percent sure about some of these. There are just enough differences to throw me. I used a flash because it seemed the best way to highlight the details. First picture front, second picture back. Thank you!
  5. Carcharhinus sp. 03

    From the album Sharks and their prey ....

    Carcharhinus and Galeocerdo sp. Savannah River Savannah, Georgia

    © Matthew Brett Rutland

  6. Galeocerdo sp. 01

    From the album Sharks and their prey ....

    © Matthew Brett Rutland

  7. Summerville June 05 2017

    From the album Summerville, SC Fossil Hunts

    Physogaleus contortus Galeocerdo aduncus

    © Matthew Brett Rutland

  8. Smooth Tiger

    Hey all, This isn't so much a Fossil ID as it is a question. Can Tiger Shark teeth have smooth cutting edges if they're worn down enough? If so, then this tooth would certainly attest to that. I'm fairly certain that it came from the jaws of Physogaleus contortus (technically not a Tiger, but I call it one anyway). The strange thing is that it almost entirely lacks a defining feature of Tiger Shark teeth: serrations! The only evidence of a serrated edge are on the distal shoulder, but even there they are incredibly worn down. On the blade of the crown itself, the cutting edge is perfectly smooth, like a Hammerhead tooth. My question here is not if teeth can be worn down, because I know this. Some are so worn that they become unidentifiable! My question, rather, is why is the rest of this tooth hardly worn down at all while the serrations are doing a disappearing act? Do serrations on fossilized sharks teeth erode faster than the rest of the tooth? Thanks in advance for any help.
  9. 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?
  10. Galeocerdo aduncus 03

    From the album Sharks and their prey ....

    Galeocerdo aduncus Summerville, SC

    © Matthew Brett Rutland

  11. Galeocerdo aduncus 01

    From the album Sharks and their prey ....

    Galeocerdo aduncus Summerville, SC

    © Matthew Brett Rutland

  12. Galeocerdo aduncus 02

    From the album Sharks and their prey ....

    Galeocerdo aduncus Physogaleus contortus Summerville, SC

    © Matthew Brett Rutland

  13. South Florida deformed shark tooth?

    I found this tooth yesterday and I’m a unsure of what it is. Maybe I’m overthinking what kind of tooth it is, so I figured I would ask for another opinion. It I’m thinking it may be a Tiger Shark Tooth that Maybe slightly deformed. Thanks
  14. One Perfect Mako Later

    I was pointed to a land site from a guy at the beach and found some great stuff in about an hour. Thanks for sharing your spot! The meg was a heartbreaker! The whole lot
  15. GaleocerdoCuvierSbyS.jpg

    From the album Peace River Fossils (2016-2017)

    Found April 22nd, 2017 in the Peace River Watershed. A colorful tooth with reddish brown root and olive green blade with black mustache.
  16. Tiger shark (?) from Balegem

    Hi all, Is this a tiger shark? If so, from what species? For now I'm thinking Galeocerdo latidens, but I'm not sure... It's from Balegem, Belgium (--> Lutetian, Eocene; 45 mya). Thanks in advance, Max
  17. IMG-5105.JPG

    From the album Calvert Cliffs Maryland 12/10/2016

    Tiger shark teeth assortment. A bunch of these are going to my good friend @DevonianDigger
  18. GMR last week

    Finally made it up to GMR last week. Was greeted by this as soon as I entered the stream/ditch. Once I got around this mess it was not too bad. Hunted pretty hard with not much to show for it. For me my favorite finds were the crow shark teeth, nice tiger shark and a dolphin tooth.
  19. Prehistoric Tiger Shark?

    Can anyone tell me if this is indeed a prehistoric tiger sharks tooth?
  20. Galeocerdo Aduncus Versus Cuvier

    Hey everyone, I have been trying to determine if my different tiger shark teeth are galeocerdo cuvier or aduncus, and it seems that every time I read identification guides/forums I just get more and more confused. Can anyone identify these and give me a good method of telling them apart? Too often I see that aduncus is smaller and thinner, but I am curious if there is a better way than size. Thank you very much!
  21. Tiger shark teeth

    From the album Weekend at Peace River, Florida and surrounding areas

    I found these tiger shark teeth in the Peace River area. They are a little worn but the colors more than make up for it and they will get their own spot in the curio cabinet. The largest one at the top of the photo measures 1.25" across x 1" in length and the tooth to the right measures just a fraction larger. Miocene/Pliocene epochs.
  22. Calvert Cliffs, Md

    These are my recent finds from a March 2013 trip to Calvert Cliffs, MD. The image you see is of the Maryland state fossil, Ecphora. Didn't find an intact megaladon this time, but I'll go back out.
  23. Ok, I have posted this tooth in the past, but I am still wanting to be sure. I believe this is a Galeocerdo aduncus, It was found in Lee Creek spoil material. The thing is it is only 4cm wide at the root and 3cm slant length. Common sense for that size would say Tope shark, however the mesial side of the crown has fine serrations and the nutrient groove while there is not large and pronounced, and it does not divide the root. Please everyone, weigh in on this. The tooth in question, I believe Tiger Shark (Galeocerdo aduncus) : lingual view labial view A definite Tope Shark (Galeorhinus aff galeus) : lingual view labial view
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