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  1. Hello, New to the forum. I’m taking a trip to San Antonio with my family in April. We like to go exploring around. My sons and I started to find fossils locally near San Diego and love getting out. I’m wondering if anyone has any insight on fossil hunting San Antonio.If anyone has any locations that would be appreciated. Also was looking for any info on laws or regulations to follow. Any wisdom is appreciated.
  2. Hey, I need some help in identifying this specimen. I found it by a tree I was digging out in my yard a few months back, and I don't know what it is. I took it to a gem and rock store once, and the guy there put some liquid on it to test it, but he said it wasn't coming back as anything, and he couldn't tell me what it was. Aany ideas would be much appreciated. Thank you .
  3. Hello! I found this near San Antonio, Texas. Could y'all help me out with identification?
  4. About 3 weeks ago I wrapped up my half year of North TX adventures with one final Kamp Ranch hunt and a beautiful pliosaur tooth to boot. Since then I've made my move five hours south to San Antonio and have endured the first two weeks of dental school. It's been an adjustment, but so far things have gone smoothly I'm happy to say. Although I hadn't done any hunting in that time span, I've been putting in some time towards researching sites in this new section of the state. I guess the symptoms of fossil withdrawal were starting to hit hard yesterday, so I picked a few promising spots from my list and headed out to investigate. Some of the decoration in my new apartment There's a lot of formations I want to explore, but my highest priority was locating the Corsicana in order to find some invertebrate rarities like Codiopsis stephensoni or Dakoticancer australis. The bcfas reports made by @Uncle Siphuncle were a big inspiration and also really useful for figuring out what index fossils to look for. I was working with limited information, so the first spot I visited was chosen more or less because it had a promising look to it. I had already made the short-sighted mistake of sleeping in before the expedition, so the Texas sun was out on full blast with the temps exceeding 100F. At the first exposure, I was introduced to hundreds of Exogyra costata littering the ground which was a good sign. This is a species common in the Maastrichtian, but at the time I wasn't sure if it was necessarily indicative of the Corsicana Fm. Interspersed between these massive shells were much smaller bivalves such as the delicate Plicatula mullicaensis. A lot of the invertebrates I was finding were familiar species, but this new flavor of preservation made every discovery very exciting. Eventually, I stumbled upon a huge rudist! I had never found one so complete. Rudist After stowing that and various other bivalves away, I continued creeping along the exposure when I did a double take at a shiny piece of something. Prior to my move, I had come to terms that I may never find marine reptile material here in South TX, yet sitting right in front of me was the glint of enamel... and not just any enamel. As I knelt closer it became clearer and clearer that this was indeed reptilian! I was so happy but also confused as to how such a thing could be possible. I hadn't even snagged my first shark tooth yet and now this! The cutting edge of a mosasaur tooth Labial and mesial views Lingual and distal views Occlusal view As I fished it from the ground I was in awe by its morphology. The tooth has a strong labiolingual compression that had me thinking "dinosaur" for a split second. On the flattened distal carina are very subtle, but visible serrations. The enamel is extremely thin. On the labial side near to the mesial carina, there is a third well-defined carina that reaches a good ways up the tooth. The crown has a very slight labiolingual curvature reserved to the top of the tooth. Around the circumference are some "concave grooves" running longitudinally. I know mosasaurs were extremely diverse in the Maastrichtian, so there are a ton of possibilities. I did a little bit of searching and think it could maybe be Thalassotian atrox? Hopefully an expert or two can chime in here @pachy-pleuro-whatnot-odon @Praefectus @Jared C @PaleoPastels. (Also mosasaur peeps: keep scrolling down for more mosasaur stuff.) Feel free to tag anyone I missed. By now I had finished this outcrop and already downed 1 of my 2 water bottles. There was another larger exposure in the same site that I wanted to visit while my final bottle could last. As I made my way up, I found similar tumbled bivalves as before. Top L to R: Exogyra costata and Plicatula mullicaensis; Bot L to R: Gyrodes sp. and Trigonia castrovillensis? After some closer searching, I found little speckled pebbles that turned out to finally be some irregular echinoids. I guess the other outcrop didn't expose the layer they were coming from. These little guys were just about everywhere and in super good condition. I thought I had collected a ton of species, but looking at them after cleaning I think I only found the two most common. Still super neat to have Maastrichtian age urchins nonetheless. Top: Hemiaster bexari; Bot: Proraster dalli H. bexari with amazing detail Further up, I found the unmistakable texture of crustacean. It was undeniably Dakoticancer australis, but it had definitely seen better days. The elements split the carapace in half, so I tried my best to wrap it carefully. At some point I'll get to gluing it together and cleaning off the extra matrix. Dakoticancer australis carapace Throughout this entire second part of the hunt, I began to wonder more and more about that mosasaur tooth. Was it a fluke? Did some previous hunter drop a Moroccan specimen? I just had never heard of a mosasaur tooth reported from the Corsicana. As I jumped over a gully, a faint shimmer caught my eye and I began to feel deja vu. I squatted down and tried to rediscover whatever it was before I almost fell on my back. There it was, the biggest mosasaur crown I had ever found! HUGE Mosasaur washed out in the gully! Occlusal and basal views Labial and lingual views Distal view I didn't see any detectable serrations but they could be worn off. The cross-section to this robust tooth is circular with many concave grooves running longitudinally. There is a labiolingual curvature. The tip is missing, but I think it is from feeding damage. I would describe the enamel as moderate in thickness. I think it is "faceted", but I am having trouble telling facets and prism faces apart. Honestly, I don't even have a guess for this tooth . I'm not sure of what mosasaurs are even known to occur in the WIS during this time period. I was waiting for my alarm to wake me up at any second. TWO mosasaur teeth and I had yet to even find a shark tooth. Well, that streak came to an end soon after when I spotted a little Squalicorax lindstromi, Carcharias sp., and aff. Cretalamna sp. cusp in quick succession. Squalicorax lindstromi, Carcharias sp., and aff. Cretalamna sp. Finally, my bottle ran dry. I made a quick and early exit, saving the rest of the place for a future hunt. Hopefully the other formations go this smoothly! Thanks for reading
  5. ieatshinyrocks

    Possible exogyra fossil?

    Found several years ago in an area of Cibolo Creek that cuts through the Pecan Gap Chalk near San Antonio. After some brief research and comparison with other fossils, my best guess of what this fossil could be is a possible species of Exogyra. All other similar looking fossils in my small collection do not have any color like this specimen and I haven’t seen any other fossils this well preserved (if that is the original color of the shell). I don’t know too much about the evolution of bivalves but another guess is it a “newer” species from a time period other than Cretaceous and is younger or not as weathered. I am open to any other suggestions, questions and especially confirmation of what the little critter was!
  6. Ancient cat fossils, paw prints recovered from beneath Texas Hill Country by: Eric Henrikson, KXAN News, Nexstar Media Inc., Texas, January 13, 2023 https://www.kxan.com/news/science/ancient-cat-fossils-paw-prints-recovered-from-beneath-texas-hill-country/ Yours, Paul H.
  7. Retired ATC

    Possible Fossil Bone Find?

    Greetings, Please review the attached photographs to determine whether this specimens is actual bone (versus rock). - Location: San Antonio, TX (may not be helpful in identification since the specimen was found in landscape rock). Same landscape rock where I previously found part of a mammoth tooth. Local construction supervisor was unsure of landscape rock source. - Description: Sponge-like formations throughout. Appears to be marrow on two ends. Brought home and rinsed with water and dried. - Scale is in inches - Weight is 557 grams.
  8. 3RZUL13

    Heres the bigger picture…

    So I’m at a point where I think it’d be best to just show you the entire thing that I’m currently looking at, aside from the tons of pieces that I’ve set aside all around this pit I’ve got now. I don’t expect this to sway anyones opinions but it’s very likely the last post I’m going to leave until I can finish cleaning around the edges of it—whatever it is, or isn’t, potentially. So I guess I’m asking now, is this also typical for limestone? Again, I’m on the far northwest edge of San Antonio, pretty much on the helotes hill country city limit—just a couple of miles east from government canyon state park. This is in my backyard, about 3 feet or so deep, though I’m unsure of the elevation, my house is right at the top of a small hill…for whatever that’s worth. I found that piece I posted earlier, the one which is decidedly (not) a skull section—near where the orange spade is sitting just further outwards, where the dirt ledge is in the picture (these pictures aren’t the very most recent, since the rains have made a proper mess of everything for the past couple of weeks). Once it finishes drying out again I’ll get pics of the result after I’ve cleaned it all back up again, since I’ve uncovered quite a bit more since these were taken. So… let me have it lol what y’all thinking? Am I just the most hardheaded limestone farmer you’ve ever seen or is it at least apparent where my current predicament…conundrum…stems from? By the way, I suspect it won’t matter but for the record, what I keep seeing or believe I am seeing, is a partially if not mostly still-fleshy fossil form…as if it were preserved while in a mostly intact or possibly a partially decomposed state…so what I continue to believe that I’m finding aren’t just bones, in fact the only real bones I’ve been thinking I have seen have been the ones visible in these photos, sticking out of the central section. Apart from those, I’ve been finding what I believe could be scutes, that partial beak looking rock, possible toe or tail bones, and possible teeth or teeth fragments. The rest of the pieces I have found which do not look like normal rock to me has looked to me on the surface like almost preserved ‘skin’ or “outer” laying tissues, with the form resembling muscular and bony shapes. Since those were in my opinion even less pronounced and even more difficult to adequately present through photos, I’d been singling out the more defined pieces, though there are dozens of others which I feel suggest something fossil in nature which I’ve not yet photographed properly and likely won’t for the purpose of posting them here depending on the overall consensus of this last inquiry. That being said, I did throw in a few I’d taken of one such piece that I thought displayed some of that type of texture I just mentioned, so that’s what those last few of the single rock are doing there. So I’d love to hear your thoughts once more and as always I’m incredibly grateful for your time and each one of your responses and feedback. Thank you all so much again.
  9. 3RZUL13

    What and how?

    Before I get stoned to death for posting this here (lame pun intended)…let me just say that I honestly have no clue what I’m looking at here but I am not suggesting, nor am I of the mind—that it’s a fossil, but it was just so strange lookin’ that I couldn’t help my curiosity, so here I am asking for opinions on what caused this to form and what it’s composed of most likely (if anything other than limestone, that is…. (-__-). location- far nw San Antonio, tx , just outside the foothills of the hillcountry (helotes, tx) Again, I do want to apologize if this belongs in a strictly geological forum somewhere, I’d have probably posted it there instead, had I been aware of one existing which was similar to this platform but exclusively for weird ugly rock identification help (lol). Thanks in advance.
  10. 3RZUL13

    What’s this?

    Pulled this from roughly 3-4 feet deep in my backyard on the far west/nw edge of San Antonio. Found a rock bed as I was digging. Odd because until then the soil was actually soil…it was dark and was easy to shovel. I’ve dug holes all around my property and at many other spots around this area and I’ve always hit a very solid layer of limestone before even getting a foot deep. So 3 feet was noteworthy. And that was about 8 months ago. It took me that amount of time to uncover this one. It’s a hair shy of 2lbs4oz/ just over 1kg. Any thoughts on it?
  11. Retired ATC

    Partial Ammonite? South TX Find

    Greetings, hillside find walking trails. Location: Far west San Antonio, TX Construction in the local area appears to have cracked this item. Other fossilized oysters and echinoids were found nearby.
  12. Retired ATC

    Landscape Rock Find

    Location: San Antonio, TX Landscape rock. Found this in common area median with many other rocks. Source of community landscape rocks unknown. Thank you for taking a look.
  13. Thefossilhunter_123

    I found this and I need help identifying it

    I need help identifying this San Antonio Texas.
  14. Mrs PreK Teacher

    Help out a teacher!

    I found hundreds of these in San Antonio and would like to have a few interesting facts for my 5 year old students. My best guess from pictures online was they are exogyra? And they are from the Cretaceous period? I also do not want to give them the wrong information. Can anyone help? The pictures I am sending are all of just one fossil.
  15. Hello! I just moved to San Antonio, TX. I brought my giant clam collection with me. Please me out please before saying this post doesn't belong here. So, my biggest giant clam shell broke in half during the move, and I want to repair it. I'd assume its a lot like restoring fossils, which is why I'm in need of your help. Here are my questions: #1: Can I restore a modern giant clam shell with fossil restoration products? #2: If #1 is yes, then what would be the best adhesive/restoration product for restoring tiny and big, light and VERY heavy pieces of seashell? #3: Does anyone live near San Antonio TX that I could pay to have them help me fix it? (If so, I have further requests on how to do it and make it more like a piece of art than a shell. Until someone can help me, I'm trying to learn as much as I can in case I have to do it myself.) #4: Any other information that would be useful for my pursuit? Thank you so much everyone! I really appreciate your help!!! P.S.: I don't have any pics as I haven't unpacked yet. I will give pics as soon as I can and have the chance.
  16. Last weekend, I made the trip down to San Antonio to tour and interview at a school. Though the drive wasn't all that long, it was enough for me to decide to take advantage of the opportunity and make a visit to one of the most famous Lower Glen Rose roadcuts in the Northern San Antonio area. In recent weeks, I have finally hopped onto the echinoid train and begun rapidly expanding my urchin collection. To keep the ball rolling, my goal was to find at least one decent specimen of Leptosalenia texana. Luckily for me, the layer I was heading to has been dubbed the "Salenia texana zone" for a reason. Local echi hunters will probably recognize this spot pretty quickly. The day was hot, but I'd grown used to the heat after the Texas summer we've had (or are still having?) since May. I first poked around the more accessible parts of the exposure. I wasn't surprised to see dozens of urchin shaped holes dug into the wall; it is a popular spot after all. I steadily made my way across the exposure, prying out the stray irregular echies as I could find them. Half an hour passed and I was still at a loss for completing my initial goal. I decided switch things up and worked my way through some bushes to less friendly spots that others may have not wanted to bother with. As soon as I set my water bottle down, I spotted my first piece of salenia sitting right there next to it. The ornamentation on these things are so alien, they really jump out of the background unlike anything else. Pretty quickly I spotted a whole mess of leptosalenia just erupting from the hardened clay. Thankfully, I brought some tools and got straight to work popping each of them out one at a time. Most of them weren't all that pretty, but the thicker shells on Leptosalenia texana help with keeping them better preserved in a higher ratio than most other urchins (none of my irregular echinoids looked all that great at least). The day continued more of the same and before I knew it, it was time to continue my way down the road with a baggie full of goodies. It's not every day you get to add a genus and three new species to your collection! Pics: Better specimens of Leptosalenia texana Irregular echinoids. Top is Heteraster obliquatus and bottom two are Pliotoxaster comanchei Misc. Fossils. Left to right: Bivalve, Porocystis globularis, and echinoid spine. If anyone knows which urchin that spine goes to, let me know! For those who are wondering, the interview went great! I'm gonna be on the road again to another big city in Texas where I will get to check out a familiar spot (assuming the water level stays low) so look forward to a future report! Thanks for reading
  17. Kristat2

    Please help with ID

    I went here to collect clay and couldn’t resist rock hunting at the same time. I found this, any information would definitely be much appreciated. thank you
  18. Hello all and thank you for taking the time to help me ID this may be fossil .found this rock hunting in San Antonio Texas. In the last 3 photos you can see lines that resemble the belly of a snake .any help with a id would be much appreciated thank you very kindly
  19. MelissaL

    Are these fossils?

    My backyard has a large area where it's mainly rocky, meaning you can't really dig. Separating it from the "nice" grassy side of the yard is a hill. My daughter and I have found fossils there of bivalves and snails. I've attached some pictures of what I found today. But my question is regard to these tiny, circular, flat pieces that seem to cover the hill (first 3 pictures). I'm thinking they're a fossil of some kind, but I'm not sure. Can anyone help?
  20. I recently took a trip to my hometown, San Antonio, Texas, to visit family whom I hadn't seen since before the pandemic. Ever since I caught the fossil bug last year in Maryland, I've been itching to make it back to Texas to explore. This trip's purpose was to catch up with family, but to do so, naturally, I had to catch them up on my new hobby! Two places were easy to add to my itinerary -- both my Mom and Dad have seasonal creeks in their neighborhoods, which I was able to walk. The creeks in my Mom's neighborhood expose Albian rocks from the Edwards Group. This creek system is pretty extensive, though in my experience, unfortunately, it wasn't very fossiliferous. The best fossil I found was the small Ilymatogyra arietina below, which suggests that there's a Del Rio Formation (Cenomanian) exposure somewhere in this area as well. The other fossils in the creek were infrequently found and of lower quality. I didn't have much luck in my Dad's neighborhood either. The rocks here are from the Austin Chalk, which is Coniacian-Campanian. I found only small bits of shell and some heavily eroded shell conglomerates. I had much better luck visiting a Glen Rose Formation (Albian) site with my mother and sister that required more travel, though wasn't too far away. Here we were able to collect fossil echinoids, including some nice Leptosalenia texana, bivalves, gastropods, algal balls, and foraminifera. We enjoyed it so much that we went back a second time. This site had quite a few modern invertebrates too! At some point, I will plan to take a bigger Texas fossil tour, but I needed to stick closer to San Antonio this time around. With that constraint, I can't thank @Uncle Siphuncle enough for your amazing TFF guide to San Antonio fossils -- I learned so much from your post about the rocks where I used to live!
  21. bthemoose

    Texas fossil shell

    I'm visiting family in San Antonio, Texas, and have been doing a little fossil hunting as well, including in a nearby creek. Based on a local geologic map, I believe this creek mostly exposes the Edwards Group (Albian age), though there appear to be some younger (Cenomanian age) rocks from the Del Rio Formation mixed in as well, based on an Ilymatogyra arietina shell that I found a couple of days ago. This creek isn't very fossiliferous. In about 3 hours of searching, I've only found a single I. arietina and a few small shell impressions in rocks. However, today, I also found the rock below and am wondering if it's something more. I am moderately confident that the bit in the lower right is a shell impression. What I'm unsure of is whether there's a bigger (worn) shell mold here too or just a bit of pareidolia. Any thoughts? Here's the outline of what I'm seeing -- the dimensions of what I've outlined are approximately 7cm wide x 6cm tall. Here's further detail of the part in the lower right that I'm more confident is part of a fossil shell/shell impression: The "shell mold" is raised relative to the surrounding rock, though is pretty heavily eroded if it is a fossil: Here as well is the I. arietina I found -- no doubt that this one's a fossil at least! And here's a wider shot of the creek: Thanks for looking!
  22. Kristat2

    Help ID please

    Found this here in San Antonio. Any need help identifying would be appreciated thank
  23. Kristat2

    Please Identify

    Any help identifying this would be much appreciated can’t remember exactly where I found it had it for a while but Found it here in San Antonio
  24. Howdy. I found this gastropod in Comal County, Upper Glen Rose formation, and I'm drawing a blank. I'm unable to find any sources that show or describe a species with this ribbed morphology. Any help is greatly appreciated!
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