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Found 211 results

  1. Here are my son’s finds. Turns out he found more than me and had better representative teeth. He had a real good eye on finding them, even without the strainer pan. My “readers” would not let me do the same. That is my excuse, lol.
  2. Cretodus posterior

    From the album Post Oak Creek

    Posterior Cretodus sp. (crassidens?). 4 mm.
  3. A lot of what I learned from the trip, was learned here on the Forum. Thank you very much!! Went 1/2 of a day on Saturday, and 1/2 Day on Monday. 5 hour drive from South Texas but worth it. Made the trip with family, they have finds of their own. Not sure of what I have found here. Any help with identifications would be appreciated. The shark teeth are in rows of 8. Part 2 and possibly Part 3, will be posted later plus our first trip to NSR!!
  4. Posterior tooth

    From the album Post Oak Creek

    Hard to see any striations, but it may be Cretodus sp. : http://www.thefossilforum.com/index.php?/gallery/image/51613-‘button-nose’-posterior-cretodus-crassidens-south-dakota/&browse=1
  5. Posterior teeth

    From the album Post Oak Creek

    Largest three teeth likely from Scapanorhynchus sp. No idea on the smallest one.
  6. Post Oak Creek TX ID's please!

    Howdy All! More Post Oak Creek little fossils that I could use some help with ID please! Thanks! 1. First is this little tooth: 1/4 inch Front Back from the top 2. Another tooth or is it a denticle? - 1/8 inch 3. Is this coprolite or a worn gatropod? 4, something "fishy"? 1/8 inch 5. No idea what this is! Size 1/8 inch 6.And last one. Another fishy bit? 1/16 inch Thanks!!
  7. Post Oak Creek 12-10-20

    I went back to a new spot on POC and found the typical array of broken shark teeth, a few Ptychodus teeth, and some interesting items I'm not really sure about. Anyone have an idea of what the item in pictures 6-8 are? What about 9-11 maybe coprolite or a fossilized crustacean? The item in pictures 12-14 appears to be a tooth but with no enamel I didn't think it was a shark tip. It could also just be a piece of bone or something. Sorry for the poor picture quality of that one but I will take better ones of it later. Im pretty sure picture 15 is a rudist and lastly the item in pictures 16-18 I think is just a coincidentally formed rock. The rest of the pictures are of some cool items like the shark or fish verts, the small fossilized crab claw, a broken piece of sawfish rostrum, and a few cool pieces of matrix with inclusions. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
  8. Found this little critter in my Post Oak Creek matrix. I'm guessing fish tooth? Thanks for any info! (I'm including lots of pictures because it is just odd from all angles) It's 6mm Top View Opposite End Underside Topside
  9. Post Oak Creek 12-1-20

    Here are my finds from my latest visit to Post Oak Creek. The first few pictures are of the shark teeth. Items 4-7 im assuming are part of a Mosasaur vertebrate? Items 8 and 9 are some type of mammal tooth. Not sure if it is modern or not. Finally item 10 is picture of what im assuming are modern mammal teeth. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
  10. Ptychotrygon sp. Oral Teeth (2)

    From the album Post Oak Creek

    Nice array of colors. The biggest one here is the largest I've found to date at about 5 mm in its longest dimension.
  11. Squalicorax Symphyseal

    From the album Post Oak Creek

    Very narrow tooth with serrations indicates it must be Squalicorax sp.
  12. Squalicorax pathology

    From the album Post Oak Creek

    Notice the dimple, not sure what caused it...
  13. Post Oak Creek 11-18-20

    Here are my finds from my latest POC visit. Made a decent haul with my best Ptychodus yet and my largest tooth so far here. The tooth was about 1.5 inches. I also found a small ptychodus with no root but it did have very defined grooves. Pictures 2 and 3 are the large Ptychodus and picture 4 is the 1.5 inch tooth. 5 and 6 are the small Ptychodus. Picture 7 is the creek wall matrix I was looking in for teeth and 8 and 9 are the actual teeth I found in the matrix. Does anyone know if this is original matrix? I was able to find several teeth sticking out but several of them were also just pieces of teeth, like you find on the gravel bars, and not complete intact teeth. I was hoping if they were from the original matrix the teeth would be complete. And Finally I have a game for you. See if you can find the tooth in picture 10. For some reason many of the teeth I found this trip were highly camouflaged haha. The rest of the pictures are just closeups. I initially thought I found some mosasaur material but the bone feels modern to me now that it is dry. I also found my first vertebrae this trip. Looking at the other posts it seems like verts and artifacts are pretty easy to find but I guess I just don't have the eye for them as I have only found this one vert and have never found an artifact. Enjoy. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14.
  14. Post Oak Creek November 2020

    Here are some finds from two trips in early November. Several ptychodus with one nice large one, a ton of shark teeth shards, a couple pieces of mammal enamel, and some unknowns. Im posting the shark teeth first and then will post the pictures of some of the others. Let me know what you think. Anyone know the species of the teeth in picture 1? I was specifically wondering about number 3 from the first picture. Pictures 6-10 are closeups. 1. 2. 3. 4. 5. 6. 7. 8. 9.
  15. Part Two of my Post Oak Creek matrix finds. A fossil friend sent me 5 gallon bags of gravel and I have been slowing making my way through (one and a half bags done so far!) and here are some of my best finds. The previous post (Part 1) were all teeth - shark and sawfish and fish etc... This post is ALL THE OTHER STUFF. Here is a link to the first post in case you want to see the TEETH. My favorites- Crab Claws! Two sides of two claws - Size 1/4 inch More claws and maybe a fragment of carapace? Size: Claws - 1/8 inch and fragment 1 inch Vertebras - So many little Verts! These are my favorites: Shark Verts (Mostly?) Not completely sure about Top Left one...anyone know? It's oddly square. It's also larger - 1/4 inch The rest are 1/8 inch Fish Verts Size 1/8 inch Some neat Dermal plates. Pretty sure Top Left and Bottom Right are Turtle. The others are maybe fish and shark.... Size Turtles are 1 inch and the others are 1/8 inch More Dermals - Size 1/16 inch Sawfish Rostrals Except Bottom left...not sure what that is. Perhaps a tooth? Size 1/16 inch Other various things: Top Left I think if a Pycnodont tooth, (1/8 inch) Top Right is maybe a Sclerorhynchus tooth or rostral? (1/4 inch) I really don't know! But it is interesting! These two are each 1/8 inch
  16. I made a trade with a fellow Texas fossil hunter - sent him some Central Texas goodies for some North Texas Post Oak Creek gravel. I was hoping to get a gallon bag to look through in my microscope.....and he sent me FIVE gallon bags full of just scooped up out of the creek gravel! So far I've made it through ONE and a half of those bags! It may take me the rest of 2020 and right on through most of 2021! So I thought I'd post some of the good stuff I've found so far. Starting it off with THE TEETH. There were some larger teeth, nothing great, no ptychodus, which I was hoping for, but the mini finds have been outstanding. I have tried to ID them but if I am inaccurate in any of them , please let me know! Here is Part Two: The most common teeth: Goblin shark- Scapanorhynchus Size 1/2 inch (13 mm) My favorite - Squalicorax Size 1/4 inch (6 mm) Pretty sure these are all Cretolamna but I am not completely certain. I know the top left on is Cretolamna appendiculata. Size 1/4 inch (6 mm) And then there are the shark teeth that do not look like your "typical shark tooth"! These are Cantioscyllium (Nurse shark) Size 1/8 inch (3 mm) (Top row shows front and back of one and bottom row is front and back of another) Another pair of really interesting odd teeth Top Row: Kiestus texanus (front and side) Bottom Row: Rhinobatos lobatus (front and back) Size 1/16 inch (1.5 mm) Hybodont Meristodonoides Teeth and an Enchodus Fish tooth Size : Hybodonts 1/8 inch and Enchodus 1/4 inch Finally. lots and lots of Sawfish teeth! I am having a hard time distinguishing between Ptychotrygon and Texatrygon, so I just put them all together: Size 1/8 (3 mm) except bottom right red one which is 1/16 inch 1.5 mm) Other Teeth - I think the bottom left round one is a Pycnodont? Size 1/8 inch More to come! Crab Claws and Vertebras and other stuff!
  17. Post Oak Creek Micro IDs

    I have been able to identify most of the shark and batoid micro fossils I pulled out of the matrix I got from @Captcrunch227 . There a few teeth that I can not identify though so I thought I post them here. I think this 6mm tooth is a Paranomotodon tooth. It certainly appears to match the others I have and the examples on Elasmo. There is no evidence of any lateral cusps or anything.
  18. Post Oak Creek Texas Oddity -

    Found this odd little thingie while going through some Post Oak Creek gravel... it looks a bit like Groot! hahhahah! Seriosley though. Any clue as to what this might be? Thanks! 1 inch
  19. Post Oak Creek 10-15-2020

    This is from my most recent trip to Post Oak Creek. I found some pretty nice shark teeth and some other random items. I also found several bones sticking out of the creek bed. It is obviously not fossilized but I wasn't sure if it was a modern cow or something older like a bison. Pictures 17 and 18 show were I excavated it from. It was right on the waterline and probably 10-12 feet down from the top of the river. I am planning on going back to excavate the rest to see if I can find the skull, teeth, etc. Also I have a ton of microfossil matrix I am going through. I have already found numerous other micro shark teeth and other oddities I will be posting soon as well. It is amazing how many fossils you can find in just a little bid of small gravel. I would love to hear what you think about the bones as well as pictures 11-16 and anything else interesting you see here. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.
  20. Hello all! Sorting through some new Cretaceous Post Oak Creek matrix and have a few questions on what some of these might be. Thanks for any help! First is this round tooth....could it be croc? It doesn't have any striations, which I think croc would, but it is perfectly round so not a worn shark blade, I think. Anyways, any suggestions would be appreciated! 1. Tooth? 5 mm 2. This little piece...may not be identifiable as anything, but the surface texture is just interesting. 2mm other side 3. Possibly a denticle? Or tooth? I've found lots of sawfish teeth but this one doesn't seem to match anything else. 2mm other side 4. is this turtle? 1.5 cm 6, And lastly....this "claw" thingie. . 2 mm Thanks for looking!
  21. 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
  22. 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:
  23. 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
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