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  1. Recently I've been researching a late cretaceous texas shark that I've never even heard of until two nights ago. I'm already a bit of a night owl (as you might see by the timestamp, I'm writing this well past midnight already ), but these last two nights spent researching and investigating potential spots have been LATE ones, around 3 AM - I guess I've really been bitten by the bug here. The shark in question is Pseudomegachasma, specifically Pseudomegachasma comanchensis (for my area). It's thought to be a roughly 15-20 foot filter feeder, related to sand tiger sharks of all thing
  2. My faithful assistant and I have been sidelined with covid. But we felt good yesterday so we decided to explore a creek in Austin, Texas that has some Eagle Ford Shale exposed. It was a sunny, warm afternoon, and a cold front would be moving in at night. At this location we've found quite a few teeth in the loose rocks strewn about. We're hoping to find mosasaur material but we've had no luck yet. Our goal was to get a bucket of gravel to search for micro-fossils. I suspect most of the teeth are eroding from the underside of a large rock slab in the creek. We think this
  3. Thomas.Dodson

    Post Oak Micros

    I've been sorting micro-matrix I collected during my recent trip to Post Oak Creek (Eagle Ford, Turonian stage). Overall I've had great success identifying everything (even what I believe to be a Coniasaurus tooth) but I have run into some difficulties with some small shark teeth. I've tried taking some pictures through my scope although I don't have a mounted camera for it yet. #1. This one is kinda smoothed over so it may be hopeless but the weird roots throw me a bit so I wanted to post it. 3 mm in length. The nutrient groove on this one throws me as it resemble
  4. Last weekend was one I'll never forget... I've barely processed it, but now that I can be more coherent, here is the story of the mosasaur we found --------------------------------------------------------------------------- On September 11 & 12, I researched and found new fossil hunting area (to me), that exposed the Eagle Ford formation. I decided to scout it, and that scouting trip ended up being wildly successful. On the first weekend of my scout, I walked away with severa
  5. Jared C

    cold front creek stomping

    Recently I've been researching a late cretaceous texas shark that I've never even heard of until two nights ago. I'm already a bit of a night owl (as you might see by the timestamp, I'm writing this well past midnight already ), but these last two nights spent researching and investigating potential spots have been LATE ones, around 3 AM - I guess I've really been bitten by the bug here. The shark in question is Pseudomegachasma, specifically Pseudomegachasma comanchensis (for my area). It's thought to be a roughly 15-20 foot filter feeder, related to sand tiger sharks of all thing
  6. Jared C

    Ammonite ID (central texas)

    Hey y'all, here's an ammonite I found in what I'm fairly sure is a small, unmapped Eagle Ford outcrop. I'm hoping to use it as an index fossil, as the target species that I'm hoping this outcrop will produce occurs in the late cenomanian/early turonian Bouldin Flags member of the Eagle Ford formation. I find that the written descriptions that I've read about the bouldin flags geology are inadequate for my understanding, as it seems colors, shades, and degree of textures are up to the interpretation of the reader. Maybe I'm just overthinking that though. Hopefully this ammo helps.
  7. Lone Hunter

    Curious odds and ends

    Some things from Post Oak creek not sure if they're something or not, with exception of #3, pretty sure the one with ridges is echinoid spine and other one is fossil just don't know what. Really intrigued by whatever the yellow is, don't think it's man-made, it doesn't melt anyway.
  8. flyingpenut

    Post Oak Creek Oddities

    I usually don't post the trip to POC anymore but this time there were some oddities i wanted to confirm and or see if anyone knows what they are. I found the usual few ptychodus teeth as well as tons of broken shark teeth but also some more rare items. There is one small shark vertebrae, a piece of a fish vert, two broken ends of sawfish rostral teeth, a weird piece that looks like coral to me but also looks like it has teeth poking out of it, a large piece of mammoth enamel, and what I believe is a small mosasaur tooth. Pictures 2, 3, and 4 are the mosasaur tooth. I have it in my hand for sca
  9. Jared C

    central texas tooth

    Here's a tooth that I found in a nice slab that had plenty of other easy to ID species - I'm having a hard time with this one though. I'm afraid to prep it further for now - the matrix is very hard, making my hand picks barely usable, while the tooth itself is very delicate. I see no carinae, but the tooth seems a bit long for a mosasaur. I also see no strong striations in the enamel that would indicate pliosaur. My best guess at the moment is Xiphactinus? What do ya'll think? Found in the Eagle Ford formation in central texas. I suspect on the Bouldin Flags member
  10. TyrannosaurusRex

    Post Oak Vertebra

    I recently collected about 300 pounds of matrix from the Post Oak creek in Sherman Texas, and I’ve since been searching through it when I get the opportunity to. I’ve found quite a few vertebrae, all from fish, but I found one last night that has me scratching my head. It has some matrix that has solidified and will need to be removed, but I thought I could post it beforehand in case anyone had any thoughts regarding the identification!
  11. Jackito

    Central Texas Teeth and Bone

    My faithful assistant and I did some exploring in the wilds of Austin, most likely in a patch of Eagle Ford Shale. Maybe 80m years old? We found quite a few rocks with a nice layer of shell hash. We found a lot of teeth within those rocks; some ptychodus and various sharks. But a couple really stand out. The first is a long tooth that appears to have a piece of bone above it. Not sure it they're related. The tooth is a bit more than an inch long. The next looks like an enchodus fang? I was thinking it could be a stem of some sort but it has a tapered shape a
  12. Last Monday, I had a dentist appointment in the morning in Dallas. I left afterward and drove a few miles west to check out a new creek. This part of the creek is mapped as Eagle Ford, but the few fossils I found all appear to have come from a red zone in the outcrop that I've never seen in an Eagle Ford area before, only Ozan. But in this part of DFW, Austin Chalk is between Eagle Ford and Ozan, and they are miles apart. I'll leave it to the experts here to tell me if this is really Eagle Ford. Here are the ammonite pieces I found.
  13. Had a blast last week busting up marl in the creek with Rockwood's help . I was amazed to find a chunky plate filled with beautiful shells in addition to gobs of gastropods in the area and Gryphea. Got thrown off trying to ID by color duh, finally shape of striped ones clicked, flat sides, Inoceramus sp.? The tiny brown one Inoceramus cuvieri? And the little round ones pinnaeformis? The tip is broke off one but they are all the same. Limestone Inoceramus maybe labiatus or sp.? So not sure about Gryphea, 2 are in piece with the big shells and one of them is round, the other right underneath
  14. AmmoniteDelight

    POC & NSR Day Trip- Nov 2021

    I turned today into a fun adventure! Today I was to go to jury duty but was dismissed at 9am. Since I had the day off from both my job and school I decided to tell the spouse to grab my hiking bag out of the closet and get my bucket out the back yard. The best thing about where I live in TX at the moment is that I literally live smach dab in the middle of 2 famous fossil hotspots in north Texas- both are about the same distance. The day was new and I was free. I wanted to try them both! So I did. NSR first. Today was perfect- not too hot not too cold. Clouds! Breeze and shade.
  15. This might be as interesting as it gets as far as worm tubes, so my question is if they are just tube casts why don't they all look the same? I have only found ones that are usually all greyish and look the same, these almost look like actual worms. Would different species have different tubes?
  16. First one I want to confirm ID, it's still a work in progress, Calycoceras Tarrantense? The other one I just wanted to share, I haven't seen such unique preservation and view of the siphuncle and think it's facinating.
  17. Tuesday morning, I made a trip back to the Ellis County creek where I've found so many teeth. I had been making a short hike across the pastures of two land owners to get to this creek, but the last time I asked permission, one of the land owners refused me, saying he had made a deal to give exclusive rights to another fossil hunting family. I can still get to the creek, but now it's a very long hike for me. So, I waited until the hottest part of summer was gone to try that long hike. When I reached the small section of the creek where I'd been finding most of the teeth, this is wh
  18. My assistant and I checked out a place in Round Rock, Texas where the Del Rio, Buda, and Eagle Ford are close by. I read about the area in some online papers and I used Google maps to make a plan. I'm new and learning, and we try to explore a couple areas a week. (I'd be happy to share the address if any local folks want to check out the area.) We followed a drainage creek to a bigger creek, and then found some interesting creek walls. I was happy to see something besides Austin Chalk. We trekked through waist deep water and saw some interesting cliffs. We always find
  19. I made a quick trip yesterday back to the Ellis County creek where I found so many teeth. With all the work being done to deer stands and feeders near it last time I was there, I knew my days of being able to hunt it this year were numbered, and sure enough, I have been officially banned by the landowner whose pasture I must cross to get to the creek, until at least next February. I knew my two best micro-spots in the creek were pretty much played out until we get floods and erosion, but I figured I might spend some time searching the gravel bars in the creek, and walk a little fu
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