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Found 307 results

  1. ID: Large Dinosaur Caudal Vertebra

    I just bought a large, fairly well preserved vertebra from a rock shop in Tucson. It was found in the Aguja Formation in Texas, a formation that isn’t especially well researched. My diagnosis is that the vert is most likely theropod, and the only theropod that large that is in the area and comes to mind for me is the Acrocanthosaurus. This diagnosis is leaving me skeptical. Acro bones are pretty rare to my knowledge (there are only 5 articulated specimens discovered as of now), and I don’t see any documentation of them being found in Aguja, though as I said before it is not well researched. My only other theories are that this is from a Kritosaurus (which seems unlikely based on the size and shape), or that it is some other saurischian that isn’t documented in the formation yet. If I could at least get verification that it is theropod that would be very nice. This purchase will either have been a pretty good deal, or an absurdly amazing one. We’ll see, and thanks for helping! Bone is 6.75” long, 4.5” wide at widest point, and 4.75” tall at tallest point.
  2. Vertebra ID

    I scored this nice vertebra from the discard pile outside the geology building at a local University. Absolutely no context. I suspect it will not be possible to I D but it's worth a try.
  3. Potomac Vert

    On Sunday I found this interesting vertebrae on the Potomac north of Purse. I have no idea what it is despite several hours of looking at vertebrae online. I guess it could be a modern one. My thought is that the more material I collect, the easier future IDs will be. Any ideas? Thanks for looking.
  4. While descending from the top of our hike up Mission Peak in Fremont, CA, a friend and I came across what we suspect is a fossilized vertebrae. After doing some quick research online, I came across the following excerpt: "Some 3 miles east of the low hills and lying in the Mission District is a much taller ridge, Mission Peak, 2517 feet above sea level. Millions of years before the Pleistocene, sediments that now compose the Mission Peak ridge were deposited by both marine and fresh waters. These sediments are now a rich source of marine fossils, many of them clams and snails. Also, remains of Desmostylus, a mammal with characteristics between those of a sea cow and a walrus, have been found among the remains of seashells. These fossils were buried under marine water during the late Miocene time, or about 12,000,000 years ago. The Miocene is one of seven epochs of the Cenozoic era." Source: http://cnhm.msnucleus.org/Pleistocene/FossilBearingSediments.html I failed to take a measurement, but as I recall this object was about the size of a lemon. Can anyone help confirm if this is a vertebrae or provide any additional information? Thanks for your help!
  5. Blue what vert?

    So, found just the disc part sticking up from the bottom of the marl. I knew what it was and started digging around it and found all three sides to it extending. However, after an hour of digging around it and down 3.5 inches I discovered it was broken apart and pulled just the vert part out. I will be going back to pull the other sides out, but the disc part measures 3" across and 3.5" deep/length. From what I have read up on tonight seems it is from a blue whale. I was 20 miles from the coast of Charleston, Ladson area. Many ripples of Eocene, guessing, possibly Miocene. Along with this there were many scattered rib bones, found great white teeth, and nice verts around 1". Am I correct in guessing Blue Whale dermal vert.?
  6. Dinosaur or mammal vertebra

    Not sure if this post should be in Fossil ID or Is it real? Saw this vertebrae in a local shop. Hoping for some info before purchasing. It's labeled as a sauropod vertebra from the Fox Hills formation in Jordan, Montana. It's approximately 5 inches wide, 3 1/2 inches deep and 3 3/4 inches tall and weighs 621 grams. It's obviously a vertebra from a large animal. My question: is it this truly a dinosaur vertebra or perhaps from a large mammal? Sorry if the pics aren't the best - the store lighting was challenging. Thank you for any and all help.
  7. Bone fragment - Miocene - Maryland

    Hello all! I have what I believe to be a bone fragment from the Calvert Cliffs area of Maryland. I tried to compare to various vertebrae and other bones online but considering this is a fragment I didn't have too much luck and figured the experts around here might help! "Rear" face: "Top:" "Bottom:" "Front" face: I could be mistaken but it just has the weight and feel of something other than wood or whatnot. There is quite a bit of gunk still on it that I will try to work off. The groove on the front and the "wings" definitely make me think it is a bone of some kind. Thanks again!
  8. NJ Cretaceous Unknown

    I found this in my early collecting days (late 90s, early 00s) in one of the typical Monmouth County Cretaceous stream. The texture doesn't at all say bone to me, but that notch has me wondering.
  9. Multiple IDs Requested

    Beautiful Day. Cold in the morning, but warmed up as the sun came out.. Same with the fossils. Initially , only small shark teeth,, but later (deeper) lots of interesting stuff. 1st, Can we tell by size whether this is Paleolama mirifica or Hemiauchenia macrocephala . Not sure but maybe there was a jaw down there. These seem to be 2 M3s, with exact similar color patterns. A Vertebrae... Dolphin or maybe Armadillo ??? and then this...I know WHAT it is.... a walnut...but it is hard like a rock and clinks!!!! Can a walnut fossilize? Whether or not it is a fossil, what happened to the shell? Just sharing an unusual find? Thanks for any/all comments...
  10. Kem kem vertebrae

    I bought this partial vertebrae about a week ago from a moroccan dealer for a very good price (I'm currently trying to identify many vertebrate fossils from Kem Kem, and this is somewhat a pause between two spinosaurid caudal vertebrae and a very big crocodilian mandible articular bone). Since many of you are way more experienced than me regarding moroccan vertebrae, I'm searching for more opinions. This small/medium sized specimen lacks most of the processes, but has some recognizable elements. It is laterally compressed and has a small keel running in its ventral region. I identified It as a caudal vertebrae, and the dealer told me it was a theropod. I don't think he had the skills to seriously identify anything, and I can't understand if It really is a theropod or a crocodile.
  11. Hey guys, the storm up north is churning up some amazing finds! I'll be posting over the next few days my finds but I wanted to know your opinion on this very large vert. I'm thinking whale or mamm/masto. Let me know!
  12. Socket bone or vertebrae?

    I found this in a stream bed in central Ohio. Looks somewhat porous like bone. Could anybody help me identify this?
  13. I traded this piece in this forum few months ago, and i heard this is spinosaurus's neural spine. After i received this I searching and trying to match this bones with spinosaurus's neural spine and sail bone. They looks pretty similar with this piece but not perfect matched. So, I can't sure what is this bone piece is.. I hope i can identify this clearly. Do you have any idea of this pieces? +I feel really embarrassing about i wrote 'Kam Kam' on title... now i edit that. I feel i need to more study again It's almost 30cm long. And here is more details. Thanks for your help.
  14. Multiple IDs Requested

    Out on a beautiful day with friends, returning to a location that had produced some good finds where I knew what I was finding. The river was up a foot since we hunted last and since my specific location was already pretty deep, I had to move and find another spot. The finds were "odd" .. lots of broken mammal teeth, few small shark teeth, and lots of scutes and bones. Example: Found a complete Glypt/Dillo osteoderm smaller than a dime and my smallest Meg ever. But this is an ID thread: 1st -- foot pad or hoof core??? 2nd... Antler or tusk tip?? Finally 3rd , a vertebrae with both processes broken off All guesses, requests for different views, suggestions appreciated. Thanks Shellseeker
  15. Kimmeridge clay vertebrae

    Hi, Yesterday, I just find with the high tides this vertebrae. It's come from the upper kimmeridge clay of Normandy in France. I know very well the marines reptiles of this age (sauropterygia, ichtyosaurs,etc...) but this vert look very different. Especially with the big furrow at his bottom. I think it's look like a Dino vert but i'm really not sure and I don't know bones of dinos. Could you give me your opinion about it? Many Thanks Carbon.
  16. Vertebrae of Dinosaur from Jiangxi?

    My friend sent me a few photos of a fossil from Ganzhou, Jiangxi of China. It appears to be a vertebrae to me. Does it look like dinosaurian?
  17. Peace River Find ID Help?

    I spent the holidays down in Florida so I was able to get in a few days on the Peace River for some good fossil hunting. I posted the trip finds in a separate post. Here are some things I need some help on. Thanks so much! #1 #2 #3 long piece... antler tine? bone? #4 vert of what?? #5 bottom whale tooth? sperm whale?? #6 Thanks for help!
  18. Some recent small finds

    Have not been out frequently this month, so here are finds from a couple of weeks back. These finds are small..... but outstanding!!! Any time, I get a couple of pristine and/or unusual fossils, I am ecstatic. I love the small Meg, but these outstanding posterior tiger teeth are a first for me at this level of quality.. I did not know they had so many serrations.... right out of a karst_clay like mixture.
  19. Calvert Cliffs Calendar

    So i mentioned I was going to do a Calvert Cliffs Annual calendar to highlight my best finds from each month. Well I took all the pics and sent it off to the printer they will be ready in a week. This way when i'm too old and senile to hunt anymore I will be able to flip through the old calendars to remember when things were found. So without further ado here is the first of many years to come!! JANUARY FEBRUARY MARCH APRIL MAY JUNE JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER COVER
  20. Hi Im prepping out this dinosaur vertebrae and I'm hoping someone can help with ID. Its from the Lower Createous. The bone preservation is very good and it's a nice black colour. You can see what I think are two pleurocoels showing. I think it's a theropod caudal but I'm just guessing. The other side and ends are still covered in matrix but I'll post additional photos when I've prepped more. Any help on the type of dinosaur and any specifics would be greatly appreciated Thanks Nick
  21. Frozen assets (Shark)

    Myself and my hunting buddy (un_named) are certifiable. We went out hunting this morning with the airtemps at 41 degrees in Wauchula. Not being completely crazy, I had my 7mm friend with me. I found a great Astragalus (turns out to be modern cow), and a complete femur (ditto). We saw a large gator. I felt sorry to see it slip into the water as we passed. The gator was just grabbing some rays on the sand banks. I found a couple of Megs, 2 pieces of fossilized wood, numerous small teeth and then these 2. Without the root , I am not positive this is giant thresher. If so, it is my 2nd in 10 years and even missing most of the root, will get a place of honor. I do not find many of these either... I have been labeling these "sawfish"; other have called them shark vertebrae or sting ray vertebrae. 33mm in diameter. Any insights? Thanks for all comments. Jack
  22. Massive mystery vertebrae

    Hello everyone, I got this vertebrae in Arizona at a small fossil shop for free with another purchase, the owner said it was acrocanthosaurus but me and a few others are pretty doubting, I’d appreciate any help
  23. Dinosaur Vertebrae?

    Hi, is the specimen shown in the photos a fossil vertebral bone of a dinosaur or whale? The fossil is from Madagascar. Thanks.
  24. Cetacean vertebrae question

    I possess three vertebrae from Calvert county (I think they are all from plum point which I believe is Calvert formation, miocene) all cetacean. One of them is strange to me and I was wondering if anyone knew the answer to these questions: •why does it have such a large spinal cord opening (pardon my lack of anatomically accurate terms) is this because of placement or species? I vaguely remember it being called a porpoise vert. • the other two possess a channel at the bottoms but this one dosent, why is this so? The first picture is the vert I speak of. Thanks!