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Found 59 results

  1. White river coprolite?!

    Well, went out hunting today in one of my white river spots. I picked up this bad boy, and I have to say, I’m fairly happy with this find. It’s quite obviously coprolite. So, what’s it from? Anyone familiar with white river coprolites? I was thinking oreodont, but it looks a little too big and I can’t find examples online. If this isn’t coprolite, please enlighten me.
  2. Oreodont id

    I’m thinking about adding this little guy to the vert fossil of the month(even though it probably won’t win this month with the competition). I would like to get a positive id and as much info as possible. I’m still learning my way around the white river formation. So far I freakin love it! Anyway, here’s my little guy-I still have more to put together, but the pieces are a little small and complicated.
  3. 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"?
  4. I haven’t been getting out and about much now a days. The heat and Covid has been keeping me indoors for the most part. The weather is slowly changing to fall and I decided to hit up my white river spot. It’s been a couple months since I’ve been, but boy, the spot just keeps on giving. Right out the gate, I was harassed by a rattlesnake...apparently they do exist. After giving that little bugger plenty of breathing room, I began a several hour hike around my super secret, private property, land owner permission having spot! it wasn’t long before I found a large ancient alluvial deposit. Bones were strewn about, and here I found numerous oreodont jaw pieces of varying sizes. After scooping up all the low hanging fruit, I made my way up the hills that would have deposited said fruit. Here I found a tortoise that I left there in situ because those things are impossible to put back together. After dismissing the idea of another jigsaw puzzle turtle, I crossed a valley and made my way back to a spot that had produced some nice large bones in recent hunts. It wasn’t long before the find of the day caught my eye. An oreodont upper jaw(in pieces but good condition and all there) laying upon the scry. As I carefully dusted away the bits of sand and collected the jaw, I noticed that the whole lower jaw was buried just beneath it! Two for the price of one! And the lower jaw was fairly solid only being broken in half! Lucky me! I did also find three large bones that will have to be reassembled-but they aren’t as cool as my jaw. Sorry the pics are out of order, but you guys get the idea. Sorry if this reads like a 2 year old wrote it, I’m exhausted and it’s late. Happy Hunting y’all!
  5. White River Formation Small (toe?) Bones

    Hello, everyone, Lately this summer I’ve been doing a bit of casual fossil collecting (with explicit permission!) on some land that a very close family friend owns in Weld County, Colorado that has a lot of exposure of the White River Formation, and I’ve collected a sizable amount of material including some pretty awesome finds. Being an amateur, I need some help identifying some of the fossils I’ve collected. Since the forum has a photo upload limit per post, I’ll be making a few threads for different finds, I hope that is ok. These are two small bones that look very similar, from Weld County Colorado. To me they look a lot like the toe bones of ruminants like deer, but I’m wondering if anyone has any better or specific guesses. #1: #2: Thanks!
  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. What are the characteristics of a White River turtle shell that can differentiate between Stylemys and Gopherus (Testudo)?
  8. Tuesday on the White River

    Hello everyone! know I've been slacking on updates on my three week trip to Wyoming with PaleoProspectors, but I promise I will post some more of my finds and do a full recap of last week's adventure as soon as I can. As for tonight, I'll share my experience hunting in the white river formation today, A view of where I began my day hunting. My first find: A section of Paleolagus (rabbit) jaw. Next I found a native american artifact After entering a larger area of exposures I came across this Mesohippus (horse) jaw.
  9. White river teeth

    Today the wife and I hit my white river spot. It was a very successful hunt-my wife has a keen eye for fossils, much better than me! Anyway, this tooth was found. I immediately thought some kind of rhino or hippo. I’m thinking hyracodons? We also found this oval piece of enamel in the same area. I’m thinking mastodon for this one. These are total guesses on my part and I’m more familiar with the verts of Florida. Any thoughts are welcome and appreciated.
  10. Paleolagus

  11. For those who know my love of the White River, there will be no surprise here. I was trying to reorganize my collection a bit and had a large portion laid out on the floor. In this photo, I counted roughly 37 Oreodont skulls, I'm wondering if I have a problem. Adding a few additional ones I know of on my prep bench and at other properties, I'm fairly sure I'm north of 50. What fossils do you all collect too many of? If there is such a thing.
  12. Finally getting around to working on a jigsaw puzzle I found in the White River Fm of Nebraska a couple of years ago. Pretty sure it’s a soft shelled turtle, but I’m not having luck finding anything like it online. The shell is eggshell thin and seems like it was leathery in life. There are a few bones included. Suggestions?
  13. ParkerPaleo's White River Prep

    Now that hockey season has ended and the lab is warm again, and perhaps due to my new found extra time in isolation, I am embarking on documenting my prep projects. I thought I would start the prep season off with something easy that should turn out fairly nice. Please welcome my new little friendly Oreodont, Miniochoerus gracilis. It came into my collection in the summer of 2013 and has sat jacketed in a box until today. This evening I concentrated primarily on consolidation and bulk matrix removal with an ARO, and still have a ways to go. The plan is to prepare the "down" side in the hopes of a beautiful orbit and zygomatic arch. I did notice a cross section of vertebrae on the rear of the block so there is probably some neck attached as well. I'm hoping there is enough matrix below the jaws to make a nice pedestal to sit on as well.
  14. Another White River Skull For ID

    This is another skull in my collection that look very similar to the other that I posted. I believe this might be another Hyaenodon. Please have a look and let me know what you think.
  15. White River Bear Dog Skull?

    I have had this interesting skull for many years and was hoping someone might be able to narrow down what it is. I do not have any collection information as the person who found it is deceased. I know it is from the White River/ Brule formation. My best guess is some type of Beardog Daphoneus? Any help would be appreciated.
  16. Quick fossil jaw id

    Hey everyone! Sorry I’ve been absent from the forums lately. Been doing the geology gig and found a new fossil spot near home. white river formation-what’s the jaw? Any ideas? I’m not used to these western fossils!
  17. White River fm. tooth

    Hi everyone, I found this tooth over the summer in the White River formation of Wyoming. When I stumbled upon it, the tooth was already "exploded" into several pieces, so I glued it in place and dug around it, taking it out as a cemented chunk of dirt. At first I thought it was a young Archaeotherium canine, then I wasn't so sure and thought maybe Hyaenodon, I could be wrong and may not be predator at all as I know the rhinos, oreodonts and titanotheres all have canine teeth. A good amount of the crown is preserved along with several pieces of the root, however it is not complete and may be missing some vital pieces which could help us answer the question. the crown is around an inch and a half in length.
  18. With my last project wrapping up, this small skull was sitting on my desk and needs to get done. Way too much of my collection is in a half done state. Eumys is a cricetid, which includes modern voles, hamsters, mice and rats. When identifying one, the primary character I use is the shape of M1 and the fact it has no premolars. It's the only White River rodent I'm aware of with 3 teeth in the maxilla, most have 4 or 5 (I am prepared to be contradicted ) . M1 is very distinctive in that it has 5 cones. My plan is to remove the matrix from the side of the skull and expose the zygomatic (if its fully there). Will leave matrix in the orbits for stability. Then cut the base of the block below the occiptals and have the nose pointing in the air. I have been doing alot of pin and vice work to get it to this current state, I'll use a MicroJack-3 to get rid of the majority of the block. Not the greatest skull, and I have some better ones, but definitely something that you don't see every day.
  19. Lepticits

  20. Type of Oreodont

    Hi all. Please help me identify this Oreodont. Found in White River, Oligocene. Thank you
  21. I'm posting a current project in the hopes that it actually makes me finish it. I have a tendency to start several projects and set them aside for years. This Lepticitis was found in Wyoming in the late 90's. The initial prep was done by someone else (unknown) before the specimen made it to my collection. I've spent the last 5-6 hours under a scope removing glue, I would have almost surmised it was dipped in penetrant. It appears to have some abrasion damage as well, see the dorsal view of the skull above the orbits. I also took the opportunity to clean out foramen and do other various cleaning with pins and needles to get it to the state it is in now. Wish I'd though to get a pic before I started. Thanks to @jpc, I have some excellent photos of another Leptictis to base reconstruction off of. I'll post some more photos as the work progresses.
  22. Oligocene insectivore

    The garage was a bit chilly to work in today so I decide to work in the office at my scope a bit instead. I'd like to be able to identify this piece (Peratherium, Centetodon?) but I'm struggling with all the post cranial elements covering the teeth. Any suggestions from the perpetrator community for how to proceed?
  23. Hi, I've seen several sellers who labeled their Oreodont fossils as Leptauchenia. So I wondered are they the same thing or two different animals altogether? Thanks.
  24. Been working on a guy for over a year to get some white river material. He came right through Helena on his way to another fossil local in Canada. You cant see anything in this photo but some rather large jackets. Got a very nice disarticulated oreodont skull and a very nice rhino skull with other bones too. I also got a smaller jacket and now cant even remember what it is? This getting forgetful is a pain in the rear but at least I wasn't cooking? Ha! The oreodont is probably going to Australia and havent decided yet what to do with the other two projects? Ive really gotten/aquired/bought/traded for a heck of alot of fossil projects this year!!! To say the least!!! Im also just about broke! Still haven't finished my other White River projects from last year and I will also be getting a truckload of Fox Hills material in just over a week! Life is good. Or im a horder? RB
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