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  1. I’m driving back to Montana from Kansas this weekend and wanted to stop in South Dakota or eastern Montana to do some quick Dino hunting. Does anyone have any advice for the badlands area or western Montana? Preferably the badlands area. I heard you can just surface hunt in the badlands national park, but wanted to see what you guys had to say. Kind of a broad area. thanks
  2. While playing with my poo (the fossilized version), I noticed this imprint. It is adjacent to a bone fragment. I'm assuming it is the imprint of a piece that broke away from the bone inclusion. It looks a bit unusual/ornamental, but I am hoping it is recognizable to one of you brilliant bone folks. This is from the Oligocene, Brule Formation, South Dakota. @Carl
  3. I have had a bunch of broken bits of Oligocene mammal coprolites sitting in a cup for years. I got them before I had a proper microscope. I decided to pick through another one last night. This one had what I thought could be a rodent incisor. So I started excavating with my X-acto blade. As I uncovered the bone, I realized it was not a tooth. I started noticing these very fine crescent shaped objects (which I unfortunately did not photograph). So I decided to give the poo a little vinegar bath overnight. As I lightly removed an unremarkable bit of fossilized fecal mass this morning, it split away revealing what might be a feather. I wet a bit of downy feather and photographed it for comparison. What do you all think? @Carl, didn't you have a coprolite with a feather inclusion? If so, did it look like this? The bone that I exposed is very furrowed and hollow. Of course this may not mean anything other than it is partially digested. Could it be a bird bone? @Auspex Here is the before and after photo of the coprolite fragment. Here is a magnified image of the a wet modern feather and the possible undigested feather.
  4. Jackmandu

    A few finds

    Hello, Here a few odds and ends that I have found recently...the one on the left I call my petrified ham bone for obvious reasons...the other??
  5. Jackmandu

    Any idea??

    I found this along the Missouri River this weekend...looking for some insight on what it might be?? Any guesses?
  6. Hi there, guys. So, I got these from an internet auction. It's the first time I put my hands on this kind of piece. It doesn't "feel" fake or nothing, but I just want to be sure, so I thought I'd better get an expert opinion. What do you think? It's supposed to be Merycoidodon culbertsoni, from the Oligocene of South Dakota Badlands.
  7. hadrosauridae

    Hell Creek turtle prep

    Earlier, I posted a box of some of my older material I found hiding in my garage. Included in that box were a couple of turtle bits including a partial carapace and partial plastron. This bit is a hypoplastron (if my research is correct) of Basilemys Axestemys?. This poor thing was in terrible condition when I opened up the foil pack. Here are the pics as I opened it and the opposite side (disintegrating even worse) after I glued back together. I took 30 minutes of cell phone video of the initial cleaning and then compressed it down. Sorry, theres no audio. This was a "quick and dirty" video and edit. Here are pics of both sides at the end of the day. Still a little bit left to do, but its very hard glue and delicate spots.
  8. Hi everyone. Before he had his accident caldigger sent me these pictures hoping I could help him identify it. We were never able to in over a month of researching and that is bothering me. Do any of you have any ideas. I just thought it would be nice if we could fulfill this request for him. I personally think he will know if we do... thank you.
  9. BigMuddy

    Possible bison find?

    Hey everyone, So I found some old bones as I was out hiking yesterday (a good way to social distance ). I have a suspicion they may be bison, but I realize I am in ag country were cows are plentiful. I found a scapula, a chunk of upper jaw with teeth, two femurs, and one mandible. I have been trying to possibly identify them but I have no way of proving anything without some help. I grabbed a cow skull, scapula, and mandible at a friends farm to help compare. I guess I should also point out that I believe these have fossilized- they are heavy and the burn test seemed to yield no burnt hair smell. Photo 1: Fossil Scapula (left) vs Cow Scapula (right) So the scapula I found is bigger but I don't believe that is conclusive evidence. Photo 2: Fossil upper molars (left) vs Cow upper molars (right) It appears the fossil molars are larger than the cow molars.... possibly indicating a larger bovid (aka Bison)? Photo 3: Fossil mandible (below) vs (Broken) cow mandible (above) I know the cow mandible is broken (and the opposite side as the mandible I found) but it is shorter and has more bulk at the bottom of its lower jaw curve. Not only this, but the dentary also appears different. Well everyone, what do you think? Just a regular old cow? Or something more unique? Thanks!!!
  10. Untitled

    Archaeolamna sp. South Dakota

    From the album: Cretaceous Shark Teeth

    Archaeolamna from Carlile Formation, Grant County, South Dakota.
  11. Untitled

    Archaeolamna sp. South Dakota

    From the album: Cretaceous Shark Teeth

    Archaeolamna from Carlile Formation, Grant County, South Dakota.
  12. Since I couldn't go out to dig for fossils, I decided to go on a micro dig. Today's dig was in a coprolite fragment from the Oligocene. Prior to excavation, the broken face of the coprolite looked like this. You can see a little bit of bone peeking through. After about an hour of excavation under 40X magnification, I uncovered what I think is a rodent tooth and possibly a toe bone and claw??? What do you think? Does anyone out there know their Rupelian rodents? Grinding Surface of the tooth: Side view showing roots: Small toe bone and claw or an fractured toe/foot bone? Is fossil poop cool or what???
  13. ryanj

    Old collection ID help needed

    I collected these when I was younger and living in the Black Hills, South Dakota. Because they were collected 20-25 years ago I cannot be more specific about the location. My family owned some land in the northern part of the Black Hills and they are most likely from there. I really don't have much knowledge in this area but both seemed interesting and I have always wondered what they might be, if anything. Thanks in advance!
  14. Bozark

    South Dakota Map

    (Posted in SD forum as well, feel free to move) I thought this would be an appropriate addition- my hope is that this map will allow forum users to plan trips to SD! Threw this thing together for you guys in some spare time at work. The map shows the extent of common fossil bearing strata in the state of South Dakota, as well as some "no-go" areas- reservations and the like. If you guys want a certain area zoomed in on let me know! FossilsSD.pdf
  15. I bought this at a little shop near Deadwood (not the antique store from my other posts) & am curious what part of the body does it come from. The hip? It looks like there are bite marks on it too... I believe the shop owner said it was from an Iguanodon.
  16. Sethro2010

    Unknown fossil

    Buddy found this by his job. Wondering if anyone can identify it
  17. Barlows

    Fossil ID please?

    Found at a antique store near Deadwood
  18. hadrosauridae

    Last year's Hell Creek finds

    Here are some of the better finds from my digging trip in South Dakota last year. First up is what is likely an osteoderm from Ankylosaurus. This specimen is gone for research. I've got a "stupid rookie" story to go along with this if anyone is interested. Next is a section of Edmontosaurus rib with the head and part of the main. This still needs final cleaning and consolidation. I'm still debating whether to leave them separate or re-create the missing portion and join them. This is the largest and most complete ossified Edmontosaurus tail tendon I have seen. Most of the time you only find little 1 inch sections. This one is completed prep, retaining some of the matrix and a random BOB, as dug. Nice chunk of turtle shell. I have a love/hate relationship with these. This is one is large and quite thick. Most of them are extremely thin and fragile as egg shell. Still needs final prep and consolidation. Unfortunately its a covered in CA, which is making it so much harder. A very nice Tricerotops tooth that my son recovered. He is like a magnet for these large trike teeth. This is the 3rd big one he's found. All I find are tiny spitters. This is a juvenile T-Rex tooth, found beside the Ed rib. This one is gone for research. There's also a small nano-T tooth missing its tip, and a large BOB which I think could be a bit of Trike frill. No pics of those available at this moment. I'll have to add them later.
  19. I_gotta_rock

    Fluorescent Bacculites.jpg

    From the album: Fossil Flourescence

    I was playing around with the UV lamp in my lab, seeing what might unexpectedly glow this afternoon. This was a nice surprise. It's an internal mold of Bacculites sp. with sutures that fluoresce orange under 345nm UV light. Bright orange like this usually indicates calcite, a mineral that makes up fossil shells and some modern ones, too. Between the mud-filled chambers, the shell was preserved while the exterior of the cone wore away. The shell material was either calcite to begin with or, more likely, began as aragonite (same chemical compound as calcite, but different crystal structure and glows yellow instead of orange) and changed over millions of years to the more stable configuration of calcite. Meanwhile, the mud looks like it may have a little bit of some fluorescent minerals in the mix, but it's mostly a daylight-only affair. The blue may be some residual glue from a label. This specimen is from the late Cretceaous Pierre Shale Formation in South Dakota.

    © C. 2020 Heather J M Siple

  20. PaleoNoel

    Hell Creek Oddity

    I found this bone over the summer in the Hell Creek formation of South Dakota. I have no idea what it could be, and I don't even know if it's complete. It's slightly reminiscent of the ear bones I see on here sometimes, but that's just a guess. The fossil is about a centimeter from top to bottom and around 8 mm wide
  21. PaleoNoel

    Hell Creek Turtle Beak

    Here's an interesting fossil I found from the summer which I am just getting around to posting. I believe it's a piece of turtle beak based on its shape and the numerous holes which I believe are part of the vascular structure of the beak, rather than just the standard cancellous tissue of bone. Here's a modern one I found online for comparison. And one from a marine turtle on the Oceans of Kansas website.
  22. MissouriFossil

    Unidentified spiral fossil

    Three different people have posted what I think is a very similar if not the same fossil. In my original post I said it was Mississippian. However, I did purchase it from a dealer that described where he found it. I was not there. He was elderly at the time so there could have been confusion. I think he has passed now, so no way to know Let's assume age is unknown. Here are the other postings. https://photos.app.goo.gl/BCMTpriMfuSoaCi79
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