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Found 76 results

  1. Tiny shark tooth

    So a little over a week ago I found the tiniest trilobite. So dang small I can’t begin to photograph it. Last night I found the tiniest shark tooth (at least I think it is shark) I’ve ever seen. It was in gravel I brought home from Post Oak Creek in Sherman, Texas. I may have said this before, but I never thought I’d call a shark tooth adorable, but it’s pretty adorable if it is a shark tooth. I have no idea what kind it is is. I’m not sure I can get a high enough quality pic to get someone to help me ID it. But here it is just to share the cuteness. It might be 5 mm long. A bit closer up. The ridiculous thing is and it’s quite laughable, it’s the only shark tooth I have ever found in the POC after 5 trips! I even sift and sieve.
  2. T-Rex Tooth?!?

    Okay guys! I've been talking my little boys fossil hunting at Post Oak Creek in Sherman since they let out of school for summer. Trying to get them interested in it and FINALLY!!! My 8 year old(least interested) found this. Please tell me this is a t-Rex tooth!! We are all pretty stoked regardless but would love some insight. Thanks!
  3. Post Oak Creek

    Went to Sherman, TX for some shark teeth. Found lots of shark teeth, oysters, one mammal tooth, one ptychodus tooth, and two vertebrae.Had a great trip and hope to go back. Will post some photos for Id in a little bit.
  4. Post Oak Creek

    I am planning to go to post oak creek sometime this month. Is there any specific tools I should bring? I have done some research and have some ideas of what to bring but I would like some expert advice. Any other things I should know?
  5. A long pointy tooth (fang?)

    I went to Post Oak Creek this weekend. Lots of fun and lots of fossils to ID and enjoy. The wealth of info on this site has proven immensely helpful in helping me ID my finds. Thank you all! I am having trouble with identifying this tooth. If you have any ideas please let me know. Any help is much appreciated!
  6. Post Oak Mosy Tooth

    Spent the day on the creek with my son today. Could not have ordered up a better day to go. Spring time came to Texas this week and even had to break out the sunscreen. Found some nice teeth and the usual brokes. My son found a beautiful Ctretodus lateral tooth and a really nice S. raphiodon lateral and I to my surprise, found the first mosasaur tooth I have ever found at Post Oak.
  7. Fish spine find, fossil or not?

    Found this at Post Oak Creek. Definitely fish spine and is hard as a nail but not sure what it is from. Guessing catfish but hard to tell what is modern and what is fossil sometimes. Any clues?
  8. Modern or fossil oyster?

    I found this in the Post Oak Creek near Sherman, TX today. I kind of think it looks like a modern oyster, but I found it with many, many well preserved fossil shells. How do I tell it is a fossil vs modern? It has barnacles on it. See far right and far left. You can see the muscle scar so clearly. It was found with these other fossilized shells in the creek bed.
  9. Post Oak Creek fossil ID

    I found these in Post Oak Creek near Sherman city limits. The formation within the creek is Alluvium which is Quaternary, Holocene, Cenozoic (in reverse order) I believe. It is surrounded by Austin chalk which is cretaceous. I have no idea what they are. I’m certain I’ve seen a modern version of this while Scuba diving, but for the life of me I can’t remember what it was or where I saw it. They look a little like a barnacle, but not exactly, maybe a tube worm colony? Please let me know your thoughts.
  10. Septarian nodule?

    I found the coolest rock I may have ever found today while out hunting for fossils. I hit the mother load on the fossils, but the rock is absolutely more fascinating at this point. More on the fossils later. I think the rock is a fragment of a septarian nodule that seems to be comprised almost entirely of what I believe may be aragonite and maybe a tiny bit of calcite. I found it in Post Oak Creek practically in the Sherman city limits. The formation in the creek is Alluvium which is Quaternary, Holocene, Cenozoic (in reverse order) I believe. It is surrounded by Austin chalk which is cretaceous. Can anyone help confirm the identity or tell me otherwise? Also, can anyone educate me about septarian nodules of this nature in the Alluvium or do you think It came out of the Austin Chalk? Any help our input is appreciated. Close up so you can see the crystle color and crystal form. Is it araganite? @ynot I know you’re a crystle/mineral guy. What do you think? Any idea how it formed? I saw a different kind of septarian nodule last week at Fossilmania in Glen Rose that came from the Main Street formation in Dallas county that were formed around ammonites. These look pretty different than those though.I’d call this the top down look. Side 1 of 5. It looks a bit like a thin separating ridge or wall/fin like structure that is also aragonite looking or a brown crystal. Side 2. There are some kind of clear yellow crystals mixed with the brown with a different shape to them. There’s even some amber looking color in there. Side 3 Side 4 Side 5
  11. Shark Tooth

    From the album Post Oak Creek

  12. Shark Teeth Post Oak Creek

    From the album Post Oak Creek

  13. Texas Creek Crawl

    just got back from vacation in Galveston with the family. Searched high and low for teeth and found nothing so had to hit the creeks closer to home. Hit a high traffic area of Post Oak Creek and did some crawling hoping to find some scraps and found surprisingly quite a bit. Hunted the first day for just a couple of hours and found quite a few P. whipplei, lots of shards and a Native American scraper that was the surprise for the day. On the second day I spent a short hour and a half and found several more P. whipplei a nice complete Cretolamna and two complete S. raphiodon teeth along with the normal shards. I also found a second little scraper just as I was about to leave. That is four scrapers and a point in the last three trips. Not sure why this creek seems to be turning up more artifacts lately but no complaints. We had rain yesterday and the creek has surely flushed up some new things so should be good for someone this week. Thanks for looking. Day 1:
  14. Cool little find

    Found this little item last weekend while gathering gravel at Post Oak Creek. Anyone know what it is? Thanks David
  15. Found this specimen in Post Oak Creek in North Texas. For those unfamiliar it cuts through Cretaceous era deposits. Appears to me to be a very worn jawbone fragment. Strange to me though how the "teeth" appear to be clustered as opposed to having a linear orientation. Mosasaur and Plesiosaur teeth and jawbones have been found in this area, but not sure if this looks like either. Any suggestions?
  16. unknown fossil i think

    I found this while searching for shark teeth at Post oak creek and i haven't been able to identify it yet.
  17. Possible partial Ptychodus ???

    Found this this morning while going through some of the POC gravel I brought home last weekend. Whatever it is, it's a first for me from the POC. Looking online and in the forum, it sort of has the look of Ptychodus mortoni. Am I close or way off base? If I'm way off base, give me a break. I turned my thinker off once the work week ended. Thanks in advance David
  18. Great hot day on POC

    Sister called and asked to take my son for the day and my wife said she had things to do so I took that as my cue to head out to the creek. I really wanted to hit the North Sulphur with all the rain and missed my chance Friday morning with the water still being a bit high for my taste, but I didn't have that kind of time. My wish list for the day consisted of any artifact and a new type of Ptychodus from the bucket list. I headed to a spot I have only hit a couple of times and after working my way down through all of the muck from the flooding, I finally hit a gravel bar. The first bar provided a couple of broken Cretodus and one small Ptychodus. There were absolutely no foot prints in the fresh deep mud so I was excited to work my way downstream. I was a little disappointed after the first half hour and only a few broken teeth but as I worked my way downstream it improved. Found several nice P. whipplei and then a very cool point, a scraper, and a very nice what I am guessing is a plesiosaur tooth (which I have in the ID forum). Not on the list but one I would gladly add if I had known it was a possibility. Found some bison teeth and lots of bone as well as one very nice Cretodus lateral tooth. I really wanted to stay longer but had to make it back home for my "curfew". Overall a good two hours and I am sure the best was left behind. Thanks for looking.
  19. New tooth, don't think it's mosy.

    Found this tooth today at Post Oak Creek. Don't think it is mosasaur. Doesn't look right. Thinking it could be plesiosaur or croc? I have one worn plesiosaur I found a couple of years ago. Thoughts?
  20. Brand new to the forum, but learned about Post Oak Creek from you guys, so figured I'd share some of my finds from the two trips I've made out there so far. Not pictured are ptychodus teeth and various bone and/or shell fragments. If you wouldn't mind, I would like some help identifying some of the non-shark teeth as well as one shark tooth in particular. Those will be directly below this in the thread due to size limits. Thanks in advance! Ps. for those who aren't local, Post Oak Creek is in Sherman, TX and cuts through a Cretaceous (?) formation. First, here's a shark tooth that was particular thick and blunt. Not sure how to ID it...
  21. Sharks teeth that are gray multicolored.

    OK I was curious about the sharks teeth in this photo that are grayish multicolored, I've never found any like this before. I was just wondering if the multicoloring would identify it as a specific type of shark or is it just a sign of aging? These are all from the same Creek - Post Oak in Sherman. I found a lot that are like multicolored they're really pretty. Thanks.
  22. Post Oak Creek help identify

    Post Oak Creek, Sherman, Texas. Period is crustaceous - found this in the water while digging and scooping from the bottom. A guy who was down in the creek said it looks like it's a land animals tooth. The size is about the size of a quarter, if I set it on top of a quarter it's the same length. I found a ton of sharks teeth I was trying to post in a gallery to share, but I guess I haven't figured that out yet because I don't see them LOL. Thank you for your help. Laura
  23. Fossil ID Sherman, TX

    Hi all, Found couple interesting fossils need help to ID. They were from Post Oak Creek in Sherman, Texas. First four pictures are a tooth of some sort, last three are a half dollar size bone fragment.