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Found 181 results

  1. Fossil ID Plant, Shell?

    Found near Lake Vermillion, SD. It's a very nice impression. Would just like help with an ID please and thank you.
  2. The skull of any dinosaur is composed of many different elements. When I go collecting in an Edmontosaurus bonebed one never finds a skull but the elements that make up one up. Like to use this topic to share the complexity and variety of some of the elements I have collected. I do not have many but will post the ones I have and will continue to add as I prep or find them. Of course if anyone sees any discrepancies please feel to comment and like to thank Olof (LordTrilobite) in the ID of some. Skull still in a jacket not from my usual bonebed but one can see it all together. One day I'll get it mounted. To aid in identification of where SOME these elements are located have this illustration that comes from Marsh's 1893 This is a Saurolophus skull but elements are the same QJ: Quadrotojugal PMX: Premaxilla L: Lacrimal SA: Surangular SQ: Squamosal PO: Postorbital EO: Exoccipital Dentary (Less Teeth ) The Maxilla Surangular Squamosal Quadrotojugal Exoccipital Quadrate \ Splenial
  3. The virus put a damper on my Spring dinosaur collecting trip but I was able to get a partial one in for the Fall. I was able to spend several days at my usual Edmontosaurs bonebed but unfortunately only one day at a channel deposit in Montana where theropod/mammal material can be found. Hopefully next year will be more normal, Hopefully. Quite a few new members since my last trip so I will get into more specifics to get them a view of how I collect this material. First let me share with you a view of the collecting area and the LOCAL wildlife that we deal with on a daily basis. The area in Montana is very remote no phone or internet The badlands where we collect in South Dakota The most beautiful critter that we see everywhere on these sites and all over the west is the Pronghorn. At this time of the year we typically see a small herd with a bull and his harem. For those of you not familiar with a Pronghorn its the fastest animal in the western hemisphere able to achieve speeds in excess of 50 mph (80 km/h) Mule deer are ever present and very dangerous if you are driving when dark The site is located on edge of cliff and over the years lots of holes and cavities have been created by erosion creating a wonderful winter den area for the local snakes. So during our fall trip its not uncommon to have visitors slither by us and of course wishing us good luck by waving their tongue Here are some we have seen this season: The only dangerous one is the Prairie Rattler but they typically are not interested in bothering us. You just have to watch where you are walking. Being from Arizona its normal... The Western Ribbon Snake The Yellow belly Racer The Prairie Bullsnake We do have more cuties' Tiger Salamander after a rainfall On to collecting Other than a pick and shovel these are the tools I use 90% of the time to collect I use two glues, Paleobond field prep and stabilizer. The latter on teeth and when I need a very strong deep bond. Harder to prep with PB002 so its only used when needed. For wrapping the bones Heavy duty aluminum foil does the trick where minimal support is needed . Where additional support is needed on large bones we use burlap and plaster. However plaster cloth like the one in the photo works most of the time and is a heck easier to use than burlap
  4. Good morning folks. I have a fossil Stylemys nebrascensis(?) turtle from the White River Badlands of South Dakota. I noticed what "appears" to be bite marks on both the top and bottom of the shell after I removed a layer of matrix. I carefully washed it with a medium bristle, plastic brush and Dawn Dishwashing liquid. What are your thoughts on the "marks"?
  5. I was very happy to see that recent publication that finally described the youngest known alvarezsurid Trierarchuncus prairiensis from the Hell Creek Formation. Material is rare but is most commonly overlooked and described as Croc or unknown theropod so knowing what to look for helps. I'm constantly on the lookout for this material and have been for years and have been fortunate to either find it or be able to acquire it over time. I used publications of other Alvarezsauridae like the Asian Mononykus and Canadian Albertonykus to help in the identification of my specimens. The paper is pay-walled but I included it for reference purposes. https://www.sciencedirect.com/science/article/abs/pii/S0195667120302469?via%3Dihub Extremely rare associated material found in SD
  6. White River Rhino Skull Prep

    Today I got this mostly complete Subhyracodon skull from the White River formation, South Dakota. Right now it still looks a bit rough since it's been crushed a bit and there's a bunch of sediment stuck all over the place. The specimen has been pretty well stabilised. So it's not very fragile thankfully enough. Almost all the teeth are present. Only one maxillary tooth is gone and the very tip of the premaxilla is gone. The 2 posterior premax teeth are still there, but the anterior ones are gone. Roughly half of the braincase is also missing on the back of the skull. Otherwise the skull is quite complete. Initial unpacking. Starting prep outside After some exploratory prep using dental picks. I will likely start removing much of the bulk of the matrix in areas such as the orbit and nares with powered tools. The different isn't very visible right now since I was mostly working on small areas and further cleaning up areas where bone was already mostly exposed. Stay tuned for more!
  7. Unusual tooth or piece of bone?

    Does anyone else see tooth here? Kind of going back-and-forth between tooth and bone on this one.Found in South central South Dakota. @Harry Pristis
  8. Hi all! Found this outside of Scenic, South Dakota, USA near Badlands National Park (near a stream bed). I picked it up assuming it was petrified wood, but on closer inspection it looks like it may be something else. The stippled, cell-like pattern of the cross-section reminds me a little of coral. Thanks for your ideas!
  9. Fossil bone, or just a rock?

    Hey all! Found this mystery object outside of Scenic, South Dakota, USA, near Badlands National Park. The texture and shape made me suspicious of bone, but it could also just be an oddly shaped rock. Haven't done enough fossil hunting in the area to feel confident either way. Thanks for any insights!
  10. 2019 Hell Creek dig trip

    Yes, that title is correct I finally got my video finished and uploaded from last year's trip to South Dakota. This is a trip my son and I started making back in 2009 when he was 8 years old. Its always a fun time, with road trips and tourist trap stops, camping, exploring on top of the fossil hunt. The trip was awesome with us digging at a new quarry wall, lots of great fossils, but my gopro overheated a couple times and ate some of my footage. So I ended up putting this video edit on hold while I tried to decide what direction to take, and then I started prepping, and then I wanted to wait until I had the biggest pieces finished out to show.
  11. My wife and I went on a 7500+ mile ramble to break out of our COVID doldrums. Due to the virus we had to change up many of our original plans... which conversely added a number of additional fossil hunting locals as they allowed us to mostly avoid our fellow humans and maintain social distancing by many many miles. As part of our trip preparations my wife sewed us a number of masks, including a whole series of fossil hunting masks for me. Originally we were supposed to stay in Chicago, but we elected to avoid staying in the city, so we only got to do a drive by We started the trip with a bonus dig, meeting up with fellow forum member @minnbuckeye for a guided Ordovician hunt in Fennimore, Wisconsin (THANKS MIKE!) Unfortunately I neglected to take pics of the site so I will only be able to share a farm pic we passed on the way. Mike was a gracious host who kicked off the visit with a gift of several fossil samples from his home turf As with all of the fossils from this trip, all finds are as they arrived back home, no prep. Some of our finds from Fennimore:
  12. South Dakota hunting sites?

    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
  13. 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??
  14. Any idea??

    I found this along the Missouri River this weekend...looking for some insight on what it might be?? Any guesses?
  15. 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.
  16. 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.
  17. 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.
  18. 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!!!
  19. 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
  20. Archaeolamna sp. South Dakota

    From the album Cretaceous Shark Teeth

    Archaeolamna from Carlile Formation, Grant County, South Dakota.
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