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Found 191 results

  1. Post Oak Creek 10-5-20

    Here are pictures from a recent trip to Post Oak Creek in Sherman Texas. Found several shark teeth but all of them broken and most in bad shape. I also found several non-fossilized material. I'm not sure if it is modern or a little older. It is all small. The one with the jaw still has two small teeth incased in it. Also I have no idea what the teeth are that are rounded. One of the pictures is a partial shark tooth still in the matrix. IMG_4149.HEIC IMG_4150.HEIC IMG_4151.HEIC IMG_4155.HEIC IMG_4156.HEIC IMG_4157.HEIC IMG_4158.HEIC IMG_4159.HEIC IMG_4160.HEIC IMG_4161.HEIC IMG_4162.HEIC IMG_4163.HEIC IMG_4164.HEIC IMG_4165.HEIC IMG_4166.HEIC IMG_4167.HEIC IMG_4168.HEIC IMG_4169.HEIC IMG_4170.HEIC IMG_4172.HEIC IMG_4173.HEIC IMG_4175.HEIC IMG_4176.HEIC IMG_4177.HEIC IMG_4178.HEIC IMG_4179.HEIC
  2. Excited to have found this little gem in the Post Oak Creek matrix. Question is.....Claw or Jaw? I have found some crustacean claws and while similar, the oblong indents are making me question. It looks very much like some of the Permian amphibian jaws. But that's really odd. So please, help me out! Jaw or Claw? Thanks for any info!! A couple of crab claws (that I am 99% sure of at least) from the same matrix. Has kind of similar texture, but different color. A Permian Amphibian jaw for comparison:
  3. Hello all! I got some fun Post Oak Creek Matrix and am finding all kinds of odd things!! I am not too familiar with the stuff that comes out of POC aside from the shark teeth and crabby stuff (found a couple of nice claws!) so these things have me wondering what they are! Any help is appreciated! 1.First is this little thing: 4 mm 2. Then this weird thing 6 mm (the backside makes me think denticle but the front.....I don't know) 3. Have found quite a few of these - .I think they are some kind of dermal plates? All are aprox 3 mm 4. Another type of dermal plate? 4 mm 5. Perhaps a worn fragment of a vertebra? 4 mm But it is not the same color or texture as any of the other verts I've found in the matrix; 6 An odd bone bit. It has a concave circle on the small end. Perhaps a tail vert? 5 mm 7. Is this perhaps a plesiosar tooth fragment? 4 mm 8. And finally, not sure what tooth this might be. It's curved, but not rounded. It has ridges unlike a shark tooth blade, but is flat like a shark tooth blade. 6mm
  4. I am a complete noob when it comes to fossil hunting. I recently got into it, along with my oldest daughter, and decided to go to Post Oak Creek in Sherman, TX. In the four hours that we sifted through the creek bed, we were able to find over 95 shark teeth. However, we did end up with a few of these random items as well. I know most are probably geological formations, but I wanted to bring them before some more experienced people to see if any were worth keeping. I can provide better lighting and closer shots of individual items if needed. Thanks in advance for the help!
  5. 8/16/20 Trip

    From the album Post Oak Creek

    Didn't find much this time. I don't think it's rained in a while - the water looked stagnant. Also was picked over well. Favorite find is the mostly complete Cretodus (found it under a fallen tree).
  6. I seem to be having a slow week at work, and didn't have much at home demanding attention, so I decided to spend a day fossil hunting yesterday. I got up with intentions of checking out a new spot on the NSR, but when I looked at weather radar, there were showers in that area. The parts of NSR that I have seen are pretty tough to get into and out of when things are wet, so I changed my mind and made a drive to Post Oak Creek. One trip this spring was the only time I'd been there, and I didn't know what to expect in mid summer, but it is one of the most fossiliferous places I've ever seen, so I was sure a trip there would be fun. And just like my first trip there, I found teeth. I've found very few teeth of any kind in all the other places I've fossil hunted, so I really enjoyed my time crawling on knee pads, looking for teeth. I considered bringing my sifter, but decided I would just stick to searching the sand bars. It was a dark day for the most part, with light rain on and off, so not the best day for trying to spot tiny teeth on the sand bars, but I did find enough to really enjoy myself, and the clouds did help keep the heat from getting too bad. The really small tooth in the upper left corner was the only Ptychodus tooth I found yesterday. Lots of the teeth are broken, damage from tumbling on the rocks, I guess. I always marvel at how sharp many of them are.
  7. Ptychodus and others

    Found on 06/06/2020 Post Oak Creek, surface hunting.
  8. P. mortoni detail

    From the album Post Oak Creek

  9. Micro mortoni

    From the album Post Oak Creek

    I first identified this as P. mortoni, then Polyacrodus sp. And now that I have a full tooth of P. mortoni, I'm confident that this is P. mortoni.
  10. Sawfish vertebra

    From the album Post Oak Creek

    I erroneously identified this as a shark centrum, however it doesn't have any foramina on the lateral surface, so it must be a sawfish.
  11. Can you find the shark tooth? (11)

    From the album Post Oak Creek

    There are two visible shark teeth (that I could see).
  12. Ptychodus mortoni

    From the album Post Oak Creek

    Collected 5/31/2020.
  13. Bone Fragment From Post Oak Creek, TX

    Can anyone help me identify this bone fragment ? It’s from Sherman, TX at Post Oak Creek. It’s drying right now from being in the stream. Is it fossilized ? Modern ? Bison ? Cow?
  14. We recently acquired some micro matrix from the Cretaceous of Texas courtesy of our friend @Captcrunch227. I had a fun time searching the Post Oak Creek stuff and we crossed some stuff our want list. There are still several teeth that need id’s but I’ll have to wait a week or two before I can get pics to help that process. In the meantime, I do know some of what I found. We found several Nurse Shark teeth. I am relatively sure 2 are Cantioscyllium. I think 2 are Plicatoscyllium. Super excited to find a few Nurse Sharks. We found a couple of Rhinobatos teeth, a really nice Scapanorhynchus symphyseal, a lot of Sawfish material, a couple of Rhombodus, I am pretty sure we found a Cretodus and two that I think might be Paranomotodon. We found a couple that look to be Cretalamna. This is was a bunch of fun and I’m thinking I need to find more micros lol What a fantastic way to occupy ones time and stimulate the brain.
  15. POC, April 20th

    I made my first trip to Post Oak Creek today. There had been rain in the forecast for yesterday, so I hoped for some newly washed out fossils, but Sherman got no rain. So, I knew things would be pretty picked over, but I decided to go anyway, and just hike a bit further down the creek than I normally might, to see if I could find a few teeth anyway. I stayed about three hours. The knee pads I bought yesterday were definitely a good investment. These old fart eyes need to be close to the sand bars to get within reading glass distance of those small teeth. I had also made a sifter, and carried out half a bucket of sand to go through at home. I had fun. That creek is an amazing fossil place.
  16. cretaceous crustaceans

    From the album Post Oak Creek

    Some creek-crushed cretaceous crustacean crumbs.
  17. guitar fish teeth

    From the album Post Oak Creek

    A few guitar fish teeth from post oak.
  18. sawfish rostral teeth

    From the album Post Oak Creek

    These are usually found broken - as is for pretty much everything from post oak.
  19. denticles

    From the album Post Oak Creek

    A collection of denticles from sawfishes and possibly sharks.